Combined Gas Law Problems

A 2.0 liter container of nitrogen has a pressure of 3.2 atm. What volume would be necessary to decrease the pressure to 1.0 atm?

• 6.4 L

• 6.0 L

• 0.64 L

• 64.0 L

A gas has a volume of 0.240 L at 25 degrees C and 2.71 atm. Calculate its volume at STP?

• 0.6 L

• 6.0 L

• 0.06 L

• 0.5 L

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

• 1.8 atm

• 1.7 atm

• 2.8 atm

• 2 atm

If I have 45 liters of helium in a balloon at 25 degrees C and increase the temperature of the balloon to 55 degrees C, what will the new volume of the balloon be?

• 50 L

• 48 L

• 0.50 L

• 51 L

If I initially have 4.0 L of a gas a pressure of 1.1 atm, what will the volume be if I increase the pressure to 3.4 atm?

• 1.3 L

• 2.3 L

• 1.2 L

• 0.13 L

A sample of sulfur dioxide occupies a volume of 652 mL at 40.° C and 720 mm Hg. What volume will the sulfur dioxide occupy at STP?

• 540 mL

• 5.40 mL

• 0.540 mL

• 0.50 mL

A 20. L container is filled with helium and the pressure is 150 atm and the temperature is 30.° C. How many 5.0 L balloons can be filled when the temperature is 22° C and the atmospheric pressure is 755 mm?

• 588

• 5.88

• 0.588

• 58.8

A sample of argon has a volume of 5.0 dm3 and the pressure is 0.92 atm. If the final temperature is 30.° C, the final volume is 5.7 L, and the final pressure is 800. mm Hg, what was the initial temperature of the argon?

• 4.1 degrees C

• 41 degrees C

• -41 degrees C

• 0.41 degrees C

322 L of hydrogen occupies a volume of 197 L at STP. If the initial temperature of the hydrogen was 37° C, what was its initial pressure?

• 69 atm

• 0.69 atm

• 690 atm

• 0.069 atm

The initial temperature of a 1.00 liter sample of argon is 20.° C. The pressure is decreased from 720 mm Hg to 360 mm Hg and the volume increases to 2.14 liters. What was the change in temperature of the argon?

• 0.40 C

• 400 C

• 4.4 C

• 40 C