Gas Laws Test

As pressure increases, volume ________

• Increases
• Decreases
• Remains constant

As temperature decreases, volume ____________

• Increases
• Decreases
• Remains constant

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

What type of relationship to pressure and volume have? (Think about Boyles Law)

• direct
• inverse
• no relationship
• I don't know

What type of relationship is Charles' Law?

• Inverse
• Direct
• Not enough information

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?

• 690

• 330.5

• 780

• 26

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

• 1.75 atm
• 3.8 atm

• 1.3 atm
• 1.29 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

There are 40 liters of helium in a balloon at a temperature of 100 K. If the temperature of the balloon is increased to 200 K, what will be the new volume of the balloon?

• 80 L

• 45 L

• 54 L

• 45.33 L

The pressure remains constant over a sample of neon gas occupying a volume of 255 mL . The volume is now 323mL because the temperature has increased to 369 K. What is the original temperature of the gas?

• 291 K

• 223 K

• 467 K

• 76 K