Charles' law

1. What is the volume of the air in a balloon that occupies 0.620 L at 25.0 ^oC,if the temperature is lowered to 0.00 ^oC?

Volume = ________________ml

2. A weather balloon is filled to the volume of 150.0 L on a day when the temperature is 10.0C. If no gases escaped, what would be the volume of the weather balloon after it rises to an altitude where the temperature is -8.0C?

Volume = __________ L

3. A fixed quantity of gas at 23C exhibits a pressure of 748 torr and occupies a volume of 10.3 L. Calculate the volume the gas will occupyif the temperature is increased to 145C while the pressure is held constant.

Volume = _________L

4. Several balloons are inflated with helium to a volume of 0.75 Lat 27C. One of the balloons was found several hours later, the temperature had dropped to 22C. What would be the volumeof the balloon when found, if no helium has escaped?

Volume = ________ L

5. A gas occupies a volume of 100.0 mL at 27C and 630.0 torr. At what temperature, in degrees Celsius, would a volume of 50.0 mL be at 630.0 torr?

Temperature _______________ ^oC

6. A sample of gas occupies a volume of 7.50 L at 0.988 atm and 28.0C. At what temperature, in degrees Celsius, is the volume of the gas 4.00 L if the pressure is kept constant.

Temperature= _______________ ^oC

7. A sample of neon gas occupies a volume of 752 mL at 25 ^oC. What volumewill the gas occupy at 50.0 ^oC if the pressure remains constant?

Volume= ____________ L

8. Helium-filled balloon has a volume of 2.75 L at 20. ^oC. The volume of theballoon decreases to 2.46 L after it is placed outside on a cold day. What is the outside temperature in K? in ^oC?

Temperature = _______________ K

Temperature = ______________^oC

9. A gas at 65 ^oC occupies 4.22 L. At what Celsius temperature will the volume be 3.87 L, assuming the same pressure?

Temperature = ____________ ^oC

10. A sample of air has a volume of 140.0 mL at 67 ^oC. At what temperature will its volume be 50.0 mL at constant pressure?

Temperature = _____________ ^oC