Combined Gas Law

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

• 2.0 L

• 5.9 L

• 8.0 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?

• 5.6 atm

• 1.8 atm

• 2 atm

• 7.3 atm

A toy balloon has an internal pressure of 1.05 atm and a volume of 5.0 L. If the temperature where the balloon is released is 20.0 oC, what will happen to the volume when the balloon rises to an altitude where the pressure is 0.65 atm and the temperature is -15 oC?

• 10.3 L

• 0.37 L

• 7.1 L

• 2.65 L

I have 130 liters of gas in a piston at a temperature of 250 oC. If I cool the gas until the volume decreases to 85 liters, what will temperature (in oC) of the gas be?

• 69 degrees Celsius

• 56 degrees celsius

• 42 degrees celsius

• 109 degrees celsius

Calcium carbonate decomposes at 1200 oC to form carbon dioxide and calcium oxide. If 25 liters of carbon dioxide are collected at 1200 oC, what will the volume of this gas be after it cools to 25 oC?

• 2.0 L

• 8.9 L

• 5.1 L

• .02 L

Tags

NGSS.HS-PS3-4

A gas has a volume of 800.0 mL at −23.0 °C and 300.0 torr. What would the volume of the gas be at 227.0 °C and 600.0 torr of pressure?

• 800.0 mL

• 1,000 mL

• 346 mL

• 290 mL

500.0 liters of a gas in a container are prepared at 700.0 mmHg and 200.0 °C. The gas is placed into a tank under high pressure. When the tank cools to 20.0 °C, the pressure of the gas is 30.0 atm. What is the volume of the gas?

• 11.98 L

• 4.21 L

• 9.51 L

• 13.03 L

What is the volume of gas at 2.00 atm and 200.0 K if its original volume was 300.0 L at 0.250 atm and 400.0 K.

• 21.97 L

• 18.75 L

• 15.0 L

• 27.06 L

The pressure of 8.06 L of an ideal gas in a flexible container is decreased to one-third of its original pressure, and its absolute temperature is decreased by one-half. What is the final volume of the gas?

• 19.4 L

• 25.9 L

• 6.7 L

• 12.1 L

A balloon of air now occupies 10.0 L at 25.0 °C and 1.00 atm. What temperature was it initially, if it occupied 9.40 L and was in a freezer with a pressure of 0.939 atm?

• 19 °C

• −10. °C

• 3 °C

• -5 °C