Combined Gas Law Practice Chemistry Honors Period 2

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

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

• 195K
• 439.5K
• 0.082K
• 12.2K

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

• 1.31 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

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

How are pressure and volume related?

• Directly
• Indirectly
• They aren't related

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

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

Gas laws involve what three variables?

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