Gases & Gas Laws

Which is a quality that only gases display?

• Spread out to fill all available space

• Can be compressed

• Take the shape of their container

• All of these

Gas molecules have no mass

• Fales

• True

How do gas molecules move?

• in a circular motion

• in straight line paths

• in an orderly fashion

• constantly and randomly

Which container will have lower pressure?

• First container

• second container

Boyle's PV law : When _______ is held constant, the pressure and volume of a gas are ________ proportional

• temperature, equally

• temperature, inversely

• mass, equally

• mass, inversely

Charles' Law States...

• As Volume goes up temperature goes up 

• As Pressure goes down volume goes down 

• As Pressure goes up volume goes down

• As Pressure goes up temperature goes up

As temperature rises ___________.

• an atom's kinetic energy decreases

• an atom's kinetic energy increases

• an atom's kinetic energy stays the same

A student inflates a balloon with helium then places it in the freezer. The student should expect

• the balloon's volume to increase

• the balloon's volume to decrease

• the balloon's moles to increase

• the balloon's moles to decrease

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase

• The pressure will decrease

• The pressure will remain constant

• The pressure will equalize

Which of the following would increase the (gas) pressure of a system?

• Increase the Temperature
• Pump in more gas
• Decrease the volume
• All of these