Boyle's and Charles' law

What is the formula for Boyle's Law?

• P₁V₁=P₂V₂
• P₁V₁/P₂V₂
• P₁V₂=P₂V₁
• P₁/V₁=P₂/V₂

What is 50 degrees Celsius in Kelvin?

• 223

• 100

• 323

• 50

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 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?

• 80

• 54

• 45 L

• 45.33 L

The pressure on a sample of gas is increased from 1.0 atm to 3.0 atm. If the new volume is 0.52 L, find the original volume.

• 0.52 L
• 1.56 L
• 0.173 L
• 1.00 L

Which container will have a lower pressure?

• left
• right
• they both have the same pressure
• I don't know

The relationship of which two variables are compared in Boyle's Law?

• pressure & volume
• volume & temperature
• temperature & pressure
• volume & moles (amount of gas)

True or False: Gases can be compressed. 

• True
• False

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 L. What was its original volume?

• 245 l

• 345 l

• 123 l

• 250.L

A sample of oxygen gas occupies a volume of 250.L at 740. torr pressure. What volume will it occupy at 800. torr pressure?

• 266 L

• 245 L

• 231 L

• 217 L