Gas Relationships

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372
• 273
• 237
• 732

If the temperature of a gas increase, the pressure...

• Decreases
• Increases
• Does not change

If a balloon is cooled what will happen to the volume?

• Volume will increase
• Volume will decrease
• Volume will not change

What causes pressure?

• The walls of the container
• The vacuum in the container
• The collisions of the particles
• Atmospheric pressure acting on the outside walls

The phase change going from a liquid to a solid is called...

• Melting
• Evaporation
• Sublimation
• Freezing

If the temperature of a gas increases, the pressure...

• Decreases
• Increases
• Does not change

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

• 245 ml

• 345 ml

• 123 ml

• 250.mL

1. Chlorine gas occupies a volume of 1.2 liters at 720 torr pressure. What volume will it occupy at 1 atm pressure?

• 42 L

• 1 L

• 8 L

• 6 L

1. A sample of oxygen gas occupies a volume of 250.mL at 740. torr pressure. What volume will it occupy at 800. torr pressure?

• 266 ML

• 245 ML

• 231 ML

• 217 ML

1. Fluorine gas exerts a pressure of 900. torr. When the pressure is changed to 1.50 atm, its volume is 250. mL. What was the original volume?

• 317 mL

• 325 mL

• 305 mL

• 324 m L