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Chapter 12 – Review
The Behavior of Gases
Milbank High School
Chapter 12 - Review
Know
the assumptions of the
kinetic theory.
Why does the pressure inside a
container of gas increase if more
gas is added to the container?
Why does air leave a tire when
the tire valve is opened?
Chapter 12 - Review
If
4 moles of gas are added to a
container that already holds 1
mole of gas, how will the
pressure change within the
container?
Increasing the volume of a given
amount of gas at constant temp.
causes the pressure to decrease
because _______.
Chapter 12 - Review
If
the volume of a container
holding a gas is reduced, what
will happen to the pressure
within the container?
What happens to the
temperature of a gas when it is
compressed?
Chapter 12 - Review
What
happens to the pressure of
a gas inside a container, if the
temperature of the gas is
lowered?
If a balloon is squeezed, what
happens to the air pressure
within the balloon?
Chapter 12 - Review
The
volume of a gas is doubled
while the temperature is held
constant. How does the gas
pressure change?
The volume of a gas is reduced
from 4.0 L to 0.5 L while the
temperature is held constant.
How does the gas pressure
change?
Chapter 12 - Review
A gas
occupies a volume of 0.7 L
at 10.1 kPa. What volume will
the gas occupy at 101 kPa?
A sample of gas occupies 40 mL
at –123 oC. What volume does
the sample occupy at 27 oC?
What type of changes could
cause an increase in the
pressure of a gaseous system?
Chapter 12 - Review
Why
does an aerosol can
become cooler when gas is
released?
As the temperature of a fixed
volume of gas increases, the
pressure will _____.
As the temperature of a balloon
decreases, the average kinetic
energy _____.
Chapter 12 - Review
Boyle’s
law states that _____.
When the temperature and
number of particles are kept
constant for a sample of gas,
what is also constant for the
sample?
Charles’ law states that _____.
Chapter 12 - Review
When
the pressure and number
of particles are kept constant for
a gas, what else is kept
constant?
If a capped syringe is plunged
into cold water, in which direction
will the syringe piston slide?
Chapter 12 - Review
Generally,
for a gas at a constant
volume, the pressure is _____
proportional to its temperature in
Kelvin.
If a capped syringe is heated, in
which direction will the syringe
piston move?
The combined gas law relates to
what variables?
Chapter 12 - Review
If
a balloon containing 1000 L of
gas at 50 oC and 101 kPa rises
to an altitude where the pressure
is 50.5 kPa and the temperature
is 10 oC, the volume of the
balloon under these new
conditions would be _____.
Chapter 12 - Review
At
very high pressures, how
does the volume of a real gas
compare with the volume that
would be predicted for an ideal
gas under the same conditions?
At low temp. and pressure, how
does the volume of a real gas
compare with an ideal gas?
Chapter 12 - Review
An
ideal gas CANNOT be
converted to a ____.
When the volume and number of
particles are held constant for a
sample of gas, what else is kept
constant?
Which is constant for 1 mole?
PT/V or PV/T
Chapter 12 - Review
At
a certain temperature and
pressure, 0.20 mol of CO2 has a
volume of 3.1 L. A 3.1 L sample
of hydrogen at the same
temperature and pressure
contains ______ molecules.
Under what conditions is the
behavior of a real gas like that of
an ideal gas?
Chapter 12 - Review
What
happens to the partial
pressure of oxygen in the air if
the air temperature is increased?
If the volume of a container of air
is reduced by one-half, what
happens to the partial pressure
of oxygen within the container?
Chapter 12 - Review
A breathing
mixture used by
deep-sea divers contains helium,
oxygen, and carbon dioxide.
What is the partial pressure of
oxygen at 101 kPa, if PHe = 84
kPa and PCO2 = 0.1 kPa?
Chapter 12 - Review
When
a container is filled with 3
moles of H2, 2 moles of O2, and
1 mole of N2, the pressure in the
container is 8787 kPa. What is
the partial pressure of O2?
Chapter 12 - Review
If
the atmospheric pressure on
Mt. Everest is one-third the
atmospheric pressure at sea
level, the partial pressure of
oxygen on Mt. Everest is _____.
The tendency of molecules to
move toward areas of lower
concentration is called _____.
Chapter 12 - Review
A box
with a volume of 22.4 L
contains 1.0 mol of nitrogen and
2.0 moles of hydrogen at 0 oC.
What is the partial pressure of
the nitrogen?
Which gas would effuse most
rapidly: chlorine or hydrogen?