Gas Laws

At a certain ocean depth, a diver's lung capacity is 2.00L. The air temperature is 300 K and the pressure is 100.15 kPa. What is the volume of the diver's lungs at the same depth at a temperature of 230 K and a pressure of 138.20 kPa?

• 1.42 L

• 1.11 L

• 1.48 L

• 2.82 L

A sample of oxygen at 301 K has 340.0 kPa. What will its temperature be at 150.0 kPa if volume remains constant?

• 132.8 K

• 132.8 °C

• 682.2 K

• 12.35 K

A sample of argon gas occupies a volume of 800 mL at 25°C. What volume will the gas occupy at 50°C if the pressure remains constant?

• 0.867 L
• 867 L
• 1.6 L
• 400 L

An acetylene gas torch requires 1600 L of gas at 2.50 atm and 100 K. What will be the pressure of the gas if acetylene is supplied by a 200.0 L tank with a temperature of 200 K?

• 40.0 atm

• 0.626 atm

• 256,000 atm

A sample of a gas has a volume of 8.52 L at 298 K and 1.2 atm. What temperature is necessary for the gas to have a volume of 9.45 L at 1.4 atm?

• 2,350 K

• 0.003 K

• 386 K

• 257 K

A gas takes up a volume of 17 liters, with a pressure of 2.3 atm, and a temperature of 200K. If the temperature is raised to 299K and the pressure is lowered to 1.5 atm. What is the new volume?

• 60 L

• 38.9 L

• 45 L

A rigid cylinder with a movable piston contains a sample of hydrogen gas. At 330. K, this sample has a pressure of 150. kPa and a volume of 3.50 L. What is the volume of this sample at STP?

• 0.233 L

• 1.96 L

• 4.29 L

• 6.26 L

• 2.3 L

• 0.022 L

• 0.010 L

• 4.6 L