17.1 The Flow of Energy—Heat and Work > Energy Transformations Heat, represented by q, is _______________ that transfers from one object to another because of a.

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Transcript 17.1 The Flow of Energy—Heat and Work > Energy Transformations Heat, represented by q, is _______________ that transfers from one object to another because of a.

Slide 1

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 2

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 3

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 4

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 5

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 6

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 7

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 8

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 9

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 10

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 11

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 12

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 13

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 14

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
Slide
2 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
Slide
3 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
Slide
4 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
Slide
5 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

Slide
6 of 34
© Copyright Pearson Prentice Hall

Conceptual Problem 17.1

Slide
7 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
Slide
8 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

Slide
9 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
Slide
10 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

Slide
11 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
Slide
12 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Heat Capacity and
Specific Heat

Slide
13 of 34
© Copyright Pearson Prentice Hall

SAMPLE PROBLEM 17.1

Slide
14 of 34
© Copyright Pearson Prentice Hall

Practice Problems for Sample Problem 17.1

Slide
15 of 34
© Copyright Pearson Prentice Hall


Slide 15

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

Heat, represented by q, is _______________
that transfers from one object to another
because of a _____________ ______________
between them.
Heat ___________ flows from a
_________ object to a ____________

object.
Slide
1 of 34
© Copyright Pearson Prentice Hall

17.1

The Flow of Energy—Heat and Work

>

Energy Transformations

________________________ is the study of
______________ changes that occur during
chemical reactions and changes in state.
The energy stored in the chemical bonds of a
substance is called ____________________
_____________________ energy.
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17.1

The Flow of Energy—Heat and Work

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Energy Transformations

When fuel is burned in a car engine,
chemical potential energy is released and is
used to do work.
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17.1

The Flow of Energy—Heat and Work

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Exothermic and
Endothermic Processes

In an _____________ process, the system
___________ heat as the surroundings
cool down.
In an ______________ process, the
system ____________ heat as the
surroundings heat up.
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17.1

The Flow of Energy—Heat and Work

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Exothermic and
Endothermic Processes

In studying energy changes, you can define a
____________ as the part of the universe on
which you ________ your attention. The
________________ include everything else in

the universe.
The law of conservation of energy states that

in any chemical or physical process, energy is
neither ___________ nor ______________.
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17.1

The Flow of Energy—Heat and Work

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Exothermic and
Endothermic Processes

An endothermic process is one that
________________ heat from the surroundings.

An exothermic process is one that
___________ heat to its surroundings.

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Conceptual Problem 17.1

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Practice Problems for Conceptual Problem 17.1

Problem Solving 17.1 Solve
Problem 1 with the help of an
interactive guided tutorial.
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17.1

The Flow of Energy—Heat and Work

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Units for Measuring
Heat Flow

Heat flow is measured in two common
units, the __________ and the
_____________.
The energy in food is usually expressed
in Calories.

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The Flow of Energy—Heat and Work

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Heat Capacity and
Specific Heat

The __________ ______________ of an
object depends on both its ___________
and its _______________ composition.
The amount of heat needed to increase the
temperature of an object exactly 1°C is
the ___________ ________________ of

that object.
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The Flow of Energy—Heat and Work

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Heat Capacity and
Specific Heat

The specific heat capacity, or simply the
____________ _________________, of a
substance is the amount of heat it takes to raise
the temperature of ___ g of the substance ___°C.

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17.1

The Flow of Energy—Heat and Work

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Heat Capacity and
Specific Heat

Water ______________ a lot of heat as it cools.
During freezing weather, farmers protect citrus
crops by spraying them with water.

Because it is mostly water, the ___________ of
a hot apple pie is much more likely to burn your
tongue than the _____________.
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17.1

The Flow of Energy—Heat and Work

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Heat Capacity and
Specific Heat

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SAMPLE PROBLEM 17.1

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Practice Problems for Sample Problem 17.1

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