Quiz on Gas Properties

A gas has

• a definite volume but no definite shape.

• a definite shape but no definite volume.

• no definite shape or definite volume.

• a definite volume and definite shape.

Matter that has a definite volume but no definite shape is a

• liquid.

• solid.

• gas.

• plasma.

What is the result of a force distributed over an area?

• temperature

• volume

• pressure

• mass

Which of the following factors affect the pressure of an enclosed gas?

• temperature

• volume

• number of particles

• all of the above

The temperature and volume in a closed container of gas remain constant. If the number of particles of gas is increased, the gas pressure will

• increase.

• decrease.

• remain constant.

• cause a decrease in the average kinetic energy of the particles.

The law that states that the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant is

• Boyle’s law.

• Bose’s law.

• Einstein’s law.

• Charles’s law.

If the volume of a cylinder is reduced from 4.0 liters to 2.0 liters, the pressure of the gas in the cylinder will change from 100 kilopascals to

• 50 kilopascals.

• 150 kilopascals.

• 200 kilopascals.

• 400 kilopascals.

What type of change occurs when water changes from a solid to a liquid?

• a phase change

• a physical change

• an irreversible change

• both a and b

During a phase change, the temperature of a substance

• increases.

• decreases.

• stays the same.

• either increases or decreases, depending on the change.

During what phase change does the arrangement of water molecules become more orderly?

• melting

• freezing

• boiling

• condensing