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Gas Laws
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Why does the pressure inside a container of gas increase if more gas is added to the container?
A
There is an increase in the temperature of the gas.
B
There is an increase in the number of collisions between particles and the walls of the container.
C
There is a decrease in the volume of the gas.
D
There is an increase in the force of the collisions between the particles and the walls of the container.
2) If the volume of a container of gas is reduced, what will happen to the pressure inside the container?
A
The pressure will increase.
B
The pressure depends on the type of gas.
C
The pressure will decrease.
D
The pressure will not change.
3) If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?
A
It increases.
B
The pressure depends on the type of gas in the balloon.
C
It decreases.
D
It stays the same.
4) What happens to the temperature of a gas when it is compressed?
A
The temperature does not change
B
The temperature decreases.
C
The temperature increases.
D
The temperature becomes unpredictable.
5) As the temperature of the gas in a balloon decreases, which of the following occurs?
A
The average kinetic energy of the gas decreases.
B
The volume of the balloon increases.
C
All of these choices are correct.
D
The gas pressure inside the balloon increases.
6) What happens to the pressure of a gas inside a container if the temperature of the gas decreases?
A
The pressure increases.
B
The pressure decreases.
C
The pressure does not change.
D
The pressure cannot be predicted.
7) What does the ideal gas law allow a scientist to calculate that the other gas laws do not?
A
Temperature
B
Volume
C
Number of moles
D
Pressure
8) What happens to the partial pressure of oxygen in a sample of air if the temperature is increased?
A
It decreases
B
It increases
C
The change cannot be determined.
D
It stays the same
9) According to the Kinetic Molecular Theory, how does gas expand?
A
Its particles move greater distances.
B
Its temperature rises.
C
Collisions between particles become elastic
D
Its particles become larger.
10) How is the Ideal Gas Law usually written?
A
PV=nRT
B
R = PV/nT
C
nR=PV/T
D
P=nRT/V
*select an answer for all questions
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