Combined Gas Law Practice

If 10L of O₂ at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure?

• 31 atm

• 9.16 atm

• 0.76 atm

• 6.0 atm

What is the combined gas law equation?

• P1V1/T1=P2V2/T2

• P1V1=P2V2

• V1T1/V2T2

• PV=nRT

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

If 22.5L of nitrogen at 0.98 atm is compressed to 0.95 atm, what is the new volume?

• 23.2L

• 21.8L

• 24.2L

• 20.6L

Gas inside a balloon originally had a volume of 3.12 L. Ernesto decides to sit on the balloon and compresses it to a final volume of 0.12 L and a final pressure of 3.14 atm. What was the original pressure?

• 2.29 atm

• 0.12 atm

• 8.28 atm

A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?

• 12.9 L

• 0.72 L

• 7.2 L

• 3.44 L

If 6L of gas at 293K is compressed to 4L, what is the new temperature? 

• 195K

• 439.5K

• 0.082K

• 12.2K

A weather balloon has a volume of 105L at 0.97 atm when the temperature is 318K. What is the volume at 293K and 1.05 atm?

• 89.4 L

• 0.32 L

• 93.8 L

• 3.13 L

Gas laws involve what three variables?

• Solid Liquid Gas 

• Speed Velocity Acceleration 

• Elements Compounds Mixtures 

• Pressure Temperature Volume 

How are pressure and volume related?

• Directly

• Indirectly

• They aren't related