Gas Laws Quick Check

Boyle's PV law : When _______ is held constant, the pressure and volume of a gas are ________ proportional

• temperature, equally

• temperature, inversely

• mass, equally

• mass, inversely

Boyle's law : The pressure and volume of a gas show a _____ relationship.

• Inverse

• Direct

Charles' Law States...

• As Volume goes up temperature goes up 

• As Pressure goes down volume goes down 

• As Pressure goes up volume goes down

• As Pressure goes up temperature goes up

As temperature rises ___________.

• an atom's kinetic energy decreases

• an atom's kinetic energy increases

• an atom's kinetic energy stays the same

8 L of Helium gas are stored under a pressure of 3.3 atm. If there are 9.4 moles of Helium, what is the temperature of this sample of gas?

(R = 0.0821)

• 34.2 K

• 100 K

• 273 K

• 20.4 K

A rubber tire holds 2.3 moles of CO₂ at a temperature of 273 K. The volume of the tire is 8 L. What is the Pressure?

(R = 0.0821)

• 6.4 atm

• 412.4 atm

• 43.5 atm

• 3.1 atm

What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?

• 420 L
• 29.16 L
• 4200.0 L
• 291.6 L

(Charles Law) There are 65 liters of helium in a balloon at 35 K. If the temperature of the balloon is increased to 40 K, what will the new volume of the balloon be?

• 40 L

• 70 L

• 74.3 L

• 75.9 L

If a nitrogen gas occupies a volume of 500. ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?  

• 324 ml
• 728 ml
• 772 ml
• None of the above

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