Combined & Partial Gas Laws

A sealed container holds a mixture of Neon and Helium. The Neon has a Pressure of 2.25 atm. If the total Pressure in the container is 7 atm, what is the Partial Pressure of Helium?

• 4.75 atm

• 9.25 atm

• 3.11 atm

• 15.75 atm

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

• 0.9 atm

• 2.1 atm

• 1.6 atm

• 3.4 atm

Three gases are mixed together in a container with a total pressure of 4.8 atm. If two of the gases have pressures of 1.2 atm and 1.5 atm, what is the pressure of the third gas?

• 2.5 atm

• 1.8 atm

• 2.1 atm

• 1.3 atm

Which of the following is NOT a value for standard pressure?

• 101.3 kPa
• 760 mm Hg
• 1 atm
• 1 torr

A gas at 928 kPa, 129 °C occupies a volume of 569 L. Calculate the volume at 319 kpa and 32.0 °C.

• 410.6 L

• 418.2 L

• 1100 L
• 1400 L

A rigid cylinder with a movable piston contains 50.0 liters of Hydrogen gas at 30.0° C with a pressure of 1.00 atmosphere. What is the volume of the gas in the cylinder at STP?

• 45.1 L

• 45.6 L

• 54.1 L

• 55.5 L