Gas Laws

How are pressure and volume related?

• Directly
• Indirectly
• They aren't related

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase
• Decrease
• Nothing
• Explosion!

If you increase the pressure of a constant volume of gas, what will happen to the temperature?

• Increase
• Decrease
• Stay the same
• It will Blow Up

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?

• 5 L
• 20 L
• It would stay at 10L
• 1 L

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

• 372
• 273
• 237
• 732

Three factors that influence gas pressure are

• Volume, temperature and number of particles
• Pressure, gas particles and volume 
• Number of gas particles, volume and speed of particles
• None of the above

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• 57.5⁰C
• 57.5⁰K
• 330.5⁰K
• 330.5⁰C

At a pressure of 405 kPa, the volume of a gas is 6.00 cm³. Assuming the temperature remains constant, what pressure will occur at a new volume of 4.00cm³?

• 607.50 kPa
• 9720 kPa
• 67.50 kPa

A chemist collects a 150 mL sample of ammonia gas at a temperature of 40 *C.  What is the volume of the ammonia when it is allowed to cool to 25 *C?

• 93.8 mL
• 134 mL
• 143 mL
• 158 mL