Name:________________________________________Date:_____________________Period:____________ Gas Laws Worksheet #2: Boyle, Charles, and Combined Gas Laws Boyle’s Law Problems: P1V1= P2V2 atm = 760.0 mm Hg = 101.3 kPa= 760 .0 torr 1. If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature. What is the new volume? 2. A gas with a volume of 4.0L at a pressure of 205kPa is allowed to expand to a volume of 12.0L. What is the pressure in the container if the temperature remains constant? 3. What pressure is required to compress 196.0 liters of air at 1.00 atmosphere into a cylinder whose volume is 26.0 liters? 4. A 40.0 L tank of ammonia has a pressure of 12.7 kPa. Calculate the volume of the ammonia if its pressure is changed to 8.4 kPa while its temperature remains constant. Charles’ Law Problems: atm = 760.0 mm Hg = 101.3 kPa= 760 .0 torr Name:________________________________________Date:_____________________Period:____________ 5. Calculate the decrease in temperature when 6.00 L at 20.0 °C is compressed to 4.00 L. 6. A container containing 5.00 L of a gas is collected at 100 K and then allowed to expand to 20.0 L. What must the new temperature be in order to maintain the same pressure (as required by Charles' Law)? 7. A gas occupies 900.0 mL at a temperature of 27.0 °C. What is the volume at 132.0 °C? 8. If 15.0 liters of neon at 25.0 °C is allowed to expand to 45.0 liters, what must the new temperature be to maintain constant pressure? Combined Gas Law Problems: atm = 760.0 mm Hg = 101.3 kPa= 760 .0 torr Name:________________________________________Date:_____________________Period:____________ 9. A gas balloon has a volume of 106.0 liters when the temperature is 45.0 °C and the pressure is 740.0 mm of mercury. What will its volume be at 20.0 °C and 780 .0 mm of mercury pressure? 10. 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? 11. A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston within a cylinder. If the original pressure was 1.00 atm, what would the final pressure be? 12. The pressure of a gas is reduced from 1200.0 mm Hg to 850.0 mm Hg as the volume of its container is increased by moving a piston from 85.0 mL to 350.0 mL. What would the final temperature be if the original temperature was 90.0 °C?