Transcript chemistry - Dr. Stover's Classroom

10.2
Types of Chemical Reactions
The heat and smoke of burning
charcoal are the products of a
combustion reaction.
Combustion is one of the five
general types of chemical
reactions. If you can recognize
a reaction as being a particular
type, you may be able to
predict the products of the
reaction.
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11.2
Types of Chemical Reactions
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Classifying Reactions
Classifying Reactions
What are the five general types of
reactions?
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11.2
Types of Chemical Reactions
>
Classifying Reactions
The five general types of reaction are
combination, decomposition, singlereplacement, double-replacement, and
combustion.
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11.2
Types of Chemical Reactions
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Classifying Reactions
Combination Reactions
A combination reaction is a chemical change
in which two or more substances react to form a
single new substance.
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Practice Problems for Conceptual Problem 11.4
Problem Solving 11.14 Solve Problem
14 with the help of an interactive guided
tutorial.
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11.2
Types of Chemical Reactions
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Classifying Reactions
Decomposition Reactions
A decomposition reaction is a chemical
change in which a single compound breaks
down into two or more simpler products.
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Practice Problems for Conceptual Problem 11.5
Problem Solving 11.15 Solve Problem
15 with the help of an interactive guided
tutorial.
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11.2
Types of Chemical Reactions
>
Classifying Reactions
Single-Replacement Reactions
A single-replacement reaction is a chemical
change in which one element replaces a second
element in a compound.
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11.2
Types of Chemical Reactions
>
Classifying Reactions
The activity series of
metals lists metals in
order of decreasing
reactivity.
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Practice Problems for Conceptual Problem 11.6
Problem Solving 11.17 Solve
Problem 17 with the help of an
interactive guided tutorial.
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11.2
Types of Chemical Reactions
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Classifying Reactions
Double-Replacement Reactions
A double-replacement reaction is a chemical
change involving an exchange of positive ions
between two compounds.
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Practice Problems for Conceptual Problem 11.7
Problem Solving 11.18 Solve Problem
18 with the help of an interactive
guided tutorial.
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11.2
Types of Chemical Reactions
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Classifying Reactions
Combustion Reactions
A combustion reaction is a chemical change in
which an element or a compound reacts with
oxygen, often producing energy in the form of
heat and light.
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Practice Problems for Conceptual Problem 11.8
Problem Solving 11.21 Solve
Problem 21 with the help of an
interactive guided tutorial.
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11.2 Section Quiz.
Assess students’ understanding
of the concepts in Section 11.2.
Continue to:
-or-
Launch:
Section Quiz
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11.2 Section Quiz.
1. What type of reaction is described by the
following equation?
6Li + N2  2Li3N
a. combination reaction
b. decomposition reaction
c. single-replacement reaction
d. combustion reaction
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11.2 Section Quiz.
2. Balance the following equation and indicate
whether it represents a combustion,
combination, or decomposition reaction.
H2SO4  H2O2 + SO2
a. H2SO4  H2O2 + SO2, combination reaction
b. H2SO4  H2O2 + SO2, decomposition reaction
c. H2SO4  2H2O2 + SO2, combination reaction
d. H2SO4  2H2O2 + SO2, decomposition reaction
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11.2 Section Quiz.
3. Predict the missing product in the following
unbalanced equation.
Pb(NO3)2 + KOH  KNO3 + ____________
a. PbOH2
b. Pb(OH)4
c. Pb(OH)2
d. PbOH
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END OF SHOW