# Gas Test Questions

Why is a gas easier to compress than a liquid or a solid?a. Its volume increases more under pressure than an equal volume of liquid does.b. Its volume increases more under pressure than an equal volume of solid does.c. The space between gas particles is much less than the space between liquid or solid particles.d. The volume of a gas's particles is small compared to the overall volume of the gas.

d. The volume of a gas's particles is small compared to the overall volume of the gas.

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 number of collisions between particles and the walls of the container.b. There is an increase in the temperature of the gas.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.

a. There is an increase in the number of collisions between particles and the walls of the container.

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 will not change. c. The pressure will decrease.d. The pressure depends on the type of gas.

a. The pressure will increase.

If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?a. It increasesb. It stays the same.c. It decreases.d. The pressure depends on the type of gas in the balloon.

a. It increases.

What happens to the temperature of a gas when it is compressed?a. The temperature increases.b. The temperature does not change.c. The temperature decreases.d. The temperature becomes unpredictable.

a. The temperature increases.

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 does not change. c. The pressure decreases.d. The pressure cannot be predictable.

c. The pressure decreases.

When the Kelvin temperature of an enclosed gas doubles, the particles of the gas...a. move fasterb. strike the walls of the container with less force.c. decrease in average kinetic energy.d. decrease in volume.

a. Move faster.

The volume of a gas is reduced from 4 L to 0.5 L while the temperature is held constant. How does the gas pressure change?a. It increases by a factor of four. b. It decreases by a factor of eight.c. It increases by a factor of eight. d. It increases by a factor of two.

c. It increases by a factor of eight.

Boyle's law states that...a. the volume of a gas varies inversely with pressure.b. the volume of a gas varies directly with pressure.c. the temperature of a gas varies inversely with pressure.d. the temperature of a gas varies directly with pressure.

a. The volume of a gas varies inversely with pressure.

Charles' law stats that...a. the pressure of a gas is inversely proportional to its temperature in kelvins.b. the volume of a gas is directly proportional to its temperature in kelvins. c. the pressure of a gas is directly proportional to its temperature in kelvins. d. the volume of a gas is inversely proportional to its temperature in kelvins.

b. The volume of a gas is directly proportional to its temperature in kelvins.

If a balloon is heated, what happens to the pressure of the air inside the balloon if the volume remains constant?a. it increases b. it stays the same.c. it decreasesd. the change cannot be predicted.

a. It increases.

A gas occupies a volume of 2.4 L at 14.1 kPa. What volume will the gas occupy at 84.6 kPa?a. 469 Lb. 2.5 Lc. 14 Ld. 0.40 L

d. 0.40 L

A sample of gas occupies 17 mL at -112 C. What volume does the sample occupy at 70 C?a. 10.6 mL b. 27 mLc. 36 mLd. 8.0 mL

c. 36 mL

In general, for a gas at a constant volume...a. the pressure of the gas is inversely proportional to its temperature in kelvins.b. the volume of the gas is inversely proportional to its temperatur in kelvins.c. the volume of the gas is directly proportional to in temperature in kelvins.d. the pressure of the gas is directly proportional in kelvins.

b. the volume of the gas is inversely proportional to its temperature in kelvins.