Name______Date______Per______

Read the directions carefully:

  • Use the clues in the problem to determine which law each problem uses.
  • Write the corresponding formula.
  • Choose 2 problems for each law to solve. Show your work and report your answer with the correct number of significant figures.

1. If 10.0 liters of oxygen at STP are heated to 512 °C, what will be the new volume of gas if the pressure is also increased to 1520.0 mm of mercury?

Name of Law / Formula / Solution

2. I have 130 liters of gas in a piston at a temperature of 2500C. If I cool the gas until the volume decreases to 85 liters, what will temperature of the gas be?

Name of Law / Formula / Solution

3. If a gas in a closed container is pressurized from 15.0 atmospheres to 16.0 atmospheres and its original temperature was 25.0°C, what would the final temperature of the gas be?

Name of Law / Formula / Solution

4. If a gas is cooled from 323.0 K to 273.15 K and the volume is kept constant what final pressure would result if the original pressure was 750.0 mm Hg?

Name of Law / Formula / Solution

5. At a pressure of 780.0 mm Hg and 24.2 °C, a certain gas has a volume of 350.0 mL. What will be the volume of this gas under STP?

Name of Law / Formula / Solution

6. A gas sample occupies 3.25 liters at 24.5 °C and 1825 mm Hg. Determine the temperature at which the gas will occupy 4250 mL at 1.50 atm.

Name of Law / Formula / Solution

7. If I have 5.60 liters of gas in a piston at a pressure of 1.50 atm and compress the gas until its volume is 4.80 L, what will the new pressure inside the piston be?

Name of Law / Formula / Solution

8. I’ve got a car with an internal volume of 12,000 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

Name of Law / Formula / Solution

9. If I have 45 liters of helium in a balloon at 250C and increase the temperature of the balloon to 550C, what will the new volume of the balloon be?

Name of Law / Formula / Solution

10. I have added 15 L of air to a balloon at sea level (1.0 atm). If I take the balloon with me to Denver, where the air pressure is 0.85 atm, what will the new volume of the balloon be?

Name of Law / Formula / Solution

11.A sample of argon has a volume of 0.430 mL at 24.0oC. At what temperature will it have a volume of 0.570 mL?

Name of Law / Formula / Solution

12. A 30.0 L sample of nitrogen inside a rigid, metal container at 20.0 °C is placed inside an oven whose temperature is 50.0 °C. The pressure inside the container at 20.0 °C was at 3.00 atm. What is the pressure of the nitrogen after its temperature is increased?

Name of Law / Formula / Solution