Combined Gas Law Practice

A container holds three gases: oxygen, carbon dioxide, and helium. The partial pressures of the three gases are 2.00 atm, 3.00 atm, and 4.00 atm, respectively. What is the total pressure inside the container?

• 2 atm
• 4 atm
• 3 atm
• 9 atm

A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?

• 234 mmHg
• 1.37 mmHg
• 2.64 mmHg
• 1, 494 mmHg

A container is filled with H₂, and H₂O. Calculate the partial pressure of H₂ when the pressure of water is 17 torr. The total pressure of the gases is 750 torr.

• 767.5torr
• 733torr
• 42.86torr

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

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

A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?

• 2 atm
• 12 atm
• 10 atm
• 0.5 atm

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 L
• 45 L
• 54 L
• 45.33 L

10 L of a gas is collected at 100 K and allowed to expand to 30.0 L. What is the new temperature?

• 400 K
• 300 K
• 275 K
• 250 K

The oxygen tanks on the sideline can be very dangerous if heated. Suppose an oxygen tank has a pressure of 120 atm at a room temperature of 25°C. If the temperature on the turf or field increases to 51°C, what will the resulting pressure of the oxygen tank be if the volume and amount of gas does not change?

• 130 atm
• 804 atm
• 1.30 atm
• 254 atm

Tags

NGSS.HS-PS1-5

A gas has a pressure of 1.50 atm at a temperature of 273 K.  What will be the pressure at 410 K?

• .99 atm
• 2.25 atm
• .75 atm
• 2.5 atm