Ideal Gas Law and Combined Gas Law

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

How do gas molecules move?

• In an orderly fashion
  
• Constantly and randomly
• In straight-line paths
• In a circular motion
  

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

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

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC.  What is the new volume of the gas?

• 60.0 mL
• 15.0 mL
• 27.5 mL
• 32.5 mL

A sample of oxygen at 28.0°C has 340.0 kPa. What will its temperature be at 150.0 kPa?

• 132.8 K
• 132.8 °C
• 682.2 K
• 12.35 K

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?

• 57.5 °C
• 57.5 °K
• 330.5 K
• 330.5°C

f a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm?

• 9 L
• .69 L
• 1.44 L

A gas is heated from 263K to 298K. The volume is increased from 24.0L to 35.0L. If the original pressure was 1.00 atm, what is the new pressure?

• 0.78 atm
• 1.65 atm
• 1.28 atm
• 0.61 atm