OL Gas Laws Unit 9

When Temperature of a gas increases, the Volume will ____________________

• Increase

• Decrease

• Stay the Same

When Temperature of a gas increases, the Pressure will ____________________

• Increase

• Decrease

• Stay the Same

When Volume of a gas increases, the Pressure will ______________

• Increase

• Decrease

• Stay the Same

What does the unit atmosphere, atm, measure?

• Pressure

• Temperature

• Volume

• Moles

The pressure on a tank containing 0.3 moles of oxygen is 4.5 atm, and the temperature is 150 K. What is the volume of the gas?

(R = 0.0821)

• 0.821 L

• 8.21 L

• 82.1 L

• 821 L

What does the unit Liters, L, measure?

• Volume

• Pressure

• Temperature

• Moles

Gas particles are in constant motion. They travel in straight lines, and they constantly bounce off the walls of any container that holds them.

What does this constant bombardment of particles against the walls of the container create?

• Pressure

• Density

• Temperature

• Magnetism

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC. What is the new volume of the gas?

• 60.0 mL

• 15.0 mL

• 27.5 mL

• 32.5 mL

What is the volume of 5.00 moles of nitrogen gas with a pressure of 1 atm and a temperature of 298 K?

• 3670 L

• 0.245 L

• 122 L

• 605 L

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

• 2.1 L

• 5.0 L

• 8.2 L

• 3.9 L