Mixed Gas Law Problems

Name: ______Date: ______Period: ______Mixed Gas Law Problems Directions: Solve the following problems. Make sure to identify each variable, showing ALL work and IDENTIFY the gas law used to solve the problem

1. A sample of oxygen has a volume of 200.0 mL at a temperature of 25.0 °C. What volume does it occupy at 100.0 °C?

______LAW 2. A canister of neon gas has a pressure of 6.50 atmospheres when the temperature is 22.0 °C. If the canister will rupture at 10.00 atmospheres, at what temperature does this failure occur?

______LAW 3. When the temperature is 300. K, a certain volume of helium has a pressure of 350.0 mmHg. At what temperature will the gas be at standard pressure?

______LAW 4. At 25.0 °C, some nitrogen gas has a volume of 85 liters. At what temperature will the volume have decreased to 40.0 liters?

______LAW 5. A sample of hydrogen gas has a volume of 400.0 mL when the pressure is 650 mmHg. What volume does the gas occupy at 1000.0 mmHg?

______LAW 6. When a sample of argon gas is held at 42.0 °C, the pressure of the gas is 565 torr. What pressure does the gas exert at 65.0 °C?

______LAW 7. How much pressure is exerted by a sample of gas at 85.0 °C if the same volume exerts a pressure of 1.00 atmospheres at a temperature of 20.0 °C?

______LAW 8. A sample of nitrogen occupies 200.0 mL when the pressure is 5.00 x 102 mm Hg. At what pressure is the volume 150.0 mL? ______LAW 9. 2.38 liters of oxygen at 0.866 atmospheres and 19.0 °C is placed at STP. What is the new volume?

______LAW 10. At 1.75 atmospheres, a sample of an ideal gas has a volume of 15.0 liters. What pressure must be applied to compress the gas to 6.00 liters?

______LAW 11. If 3.35 liters of a gas has a temperature of 80.0 °C, what volume will it occupy at 20.0 °C?

______LAW 12. 1.40 liters of hydrogen gas has a pressure of 780 mm Hg at 35 °C. At what temperature does this gas exert a pressure of 1.00 x 103 mm Hg when the volume is compressed to 1.10 liters?

______LAW 13. If a sample of gas occupies 3.70 liters when the pressure is 1.20 atmospheres, what volume does it occupy at 1.50 atmospheres?

______LAW 14. 4.50 liters of neon gas has a pressure of 3.55 atmospheres when the temperature is 250.0 K. What pressure does the gas exert if it is moved to a container with a volume of 2.00 liters and a temperature of 500.0 K?

______LAW 15. When 215 liters of gas is heated to 125 °C, it exerts a pressure of 1250 mmHg. What pressure will this gas occupy when the gas is cooled to 25.0 °C and the volume decreased to 125 liters?

______LAW Answers: Depending on how you round you answer may vary slightly. 1) 250.3 mL 2) 453.8 K 3) 651.4 K 4) 140.2 K 5) 260 mL 6) 606.3 torr 7) 1.22 atm 8) 666.67 mmHg 9) 1.93 L 10) 4.38 atm 11) 2.78 L 12) 310.3 K 13) 2.96 L 14) 15.98 atm 15) 1609.8 mmHg