Gay- Lussac's Law

1. Determine the pressure change when a constant volume of gas at 1.00 atm is heated from 20.0 C to 30.0 C.

Pressure= ________atm Pressure= __________ mmHg

2. A container of gas is initially at 0.500 atm and 25 C. What will the pressure be at 125 C?

Pressure= ______________ atm Pressure= ___________________ mmHg

3. A gas container is initially at 47 mm Hg and 77 K (liquid nitrogen temperature.) What will the pressure be when the container warms up to room temperature of 25 C?

Pressure= _______________ atm Pressure= _______________ mmHg

4. A gas thermometer measures temperature by measuring the pressure of a gas inside the fixed volume container. A thermometer reads a pressure of 248 kPa at 0.0 C. What is the temperature when the thermometer reads a pressure of 345 kPa?

Temperature= ___________________ K Temperature= __________________ ^oC

5. A gas is collected at 22.0 C and 745.0 mm Hg. When the temperature is changed to 0.00 C, what is the resulting pressure

Pressure= ___________ mmHg Pressure= _________________Kpa

6. A gas has a pressure of 699.0 mm Hg at 40.0 C. What is the temperature at standard pressure?

Temperature= _____________ K Temperature= ________________ ^oC

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

Initial Pressure = ________________ mmHg

Initial Pressure = _________________ atm

8. The temperature of a sample of gas in a steel tank at 30.0 kPa is increased from -100.0C to 25.0 C. What is the final pressure inside the tank?

Initial Pressure = ______________ kPa

Initial Pressure = _______________ atm

9. 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?

Final Temperature = ____________ K

Final Temperature = ______________ ^oC

10. Calculate the final pressure inside a scuba tank after it cools from 1.00 x 10³ C to 25.0 C. The initial pressure in the tank is 130.0 atm.

Final Pressure = _____________ kPa

Final Pressure = ______________ atm