Gas Law Review

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

Tags

NGSS.HS-PS3-4

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

What about gases can be measured?

• Pressure and Volume
• Temperature, Volume, and Pressure
• Volume and Temperature
• Pressure, Temperature, Volume, and Moles

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

• 0.9 atm

• 2.1 atm

• 1.6 atm

• 3.4 atm

Absolute zero is

• 0 K

• where there is no molecular movement

• the coldest temperature possible

• all of these

Pressure is

• defined as the mass that an object exerts when at rest.

• not a measurable in gases.

• defined as the number of moles of substance divided by the mass of the substance.

• created by the force of the gas particles impacting the walls of the container.

Which container will have lower pressure?

• left
• right
• they both have the same pressure

Elastic collision means no ______ energy is lost when molecules collide.

• potential

• light

• nuclear

• kinetic

Tags

NGSS.HS-PS3-2

How do gas molecules move? 

• in an orderly fashion 
• constantly and randomly
• in straight line paths
• in a circular motion

Tags

NGSS.HS-PS3-2