Gas Laws

If a sample of gas is at 809 °C and 3.60 atm, what is the temperature when the gas exerts 7.20 atm of pressure?

• 2160 K

• 1270 K

• 47.9 K

• 619 K

What size container is needed to hold 7.00 mol of a gas at 637 K and 147 kPa?

• 252 L

• 2.49 L

• 140 L

• 187 L

A gas occupies a volume of 4.9 L at 16.4 kPa. What volume will the gas occupy at 59.1 kPa?

• 1.36 L

• 1690 L

• 8.5 L

• 47.6 L

3.0 L of a gas at 3.0 atm is compressed into a 0.95 L cylinder. What is the pressure of the compressed gas if its temperature remains constant?

• 9.5 atm

• 6.5 atm

• 67 atm

• 0.49 atm

A 9.30 L weather balloon at 1.00 atm and 310 K is released. If it shrinks to a size of 5.10 L at 0.899 atm, what is the temperature?

• 15.1 K

• 273 K

• 0.9 K

• 153 K

A sample of gas occupies 15 L at -141°C. What volume does the sample occupy at 50°C?

• 36.7 L

• 10.8 L

• 8.2 L

• 27.5 L

Convert 80 K to Celsius.

• 273°C

• -353°C

• -193°C

• 80°C

What is the pressure of a fixed volume of a gas at 331 K if it has a pressure of 1.22 atm at 113 K?

• 3.57 atm

• 2.89 atm

• 1.38 atm

• 1.78 atm

A balloon of Helium gas has a volume of 900 mL at 40 °C. If the balloon is cooled to occupy 270 mL, what is its temperature?

• 93.9 K

• 93.9°C

• 8.7 K

• 8.7°C

The air in a 5 L balloon at 0.985 atm and 37 °C. What will be its pressure if it is brought to a higher altitude where it now occupies 1.6 L and is at 13.0 °C?

• 15.7 atm

• 2.84 atm

• 3.33 atm

• 0.631 atm