Gas Laws Exam

Gas laws involve what three variables?

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

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

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

• Increase
• Decrease
• Nothing
• Explosion!

If you increase the pressure, what will happen to the temperature, if volume is constant?

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

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

• 195K
• 439.5K
• 0.082K
• 12.2K

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

• 372
• 273
• 237
• 732

4L of a gas is contained at 300 kPa and 200K. What will its volume be in L at 140 kPa and 100K?

• 4.3L
• 4.8L
• 6.2L
• 8.5L

Using Combined Gas Law, if the pressure of a gas starts out at 200kPa and increases to 600kPa, what would the initial temperature be if it ended up at 300K?

• 50K
• 200K
• 400K
• 100K

If the number of moles of gas inside of a container increases, what will happen to the volume of the container if both temperature and pressure are kept constant?

• The volume will increase.
• The volume will decrease.
• The volume will remain constant.
• None of the above.

A container is filled with helium gas. It has a volume of 4.0 liters and is at a temperature of 20.oC. If the temperature of the container is increased to 35 oC without removing any of the gas or changing the pressure, what will the new volume be?

• 4.2 liters
• 7.0 liters
• 60 liters
• 3.7 liters