Gases Check for Understanding

At a constant pressure, the volume decreases.  What happens to the temperature?

• increases
• decreases
• stays the same

At a constant volume, the pressure increases.  What happens to the temperature?

• increases
• decreases
• stays the same

At a constant temperature, the volume decreases.  What happens to the pressure?

• increases
• decreases
• stays the same

Gas Laws involve what three terms?

• Solid Liquid Gas 
• Speed Velocity Acceleration 
• Elements Compounds Mixtures 
• Pressure Temperature Volume 

A gas that has a pressure of 2 atm and a volume of 10 L. What would be the new volume if the pressure was changed to 1 atm? What equation would you use to solve?

• P1/T1 = P2/T2

• P1V1 = P2V2

• P2 = P1V1/V2

• V2 = P1V1/P2

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

• 372
• 273
• 237
• 732

What is 50 °C in Kelvin?

• 223
• 323
• 100
• 50

What is the device that measures atmospheric pressure?

• Aerometer
• Annemeter
• Barometer
• Humidity Detector

A sample of gas with a volume of 30.0 mL and a temperature of 298 K is heated to 323 K?

• 60.0 mL

• 15.0 mL

• 27.5 mL

• 32.5 mL

What is 0.00 degrees Kelvin known as

• No such thing
• Very cold
• Freezing point of Water
• Absolute Zero