1. A sample of a gas occupies 450 mL at a pressure of 0.750 atm. If the temperature is held constant and the gas expands to 1000 mL what will the new pressure be?
Answer: ________________
2. A sample of oxygen occupies 5.2 L at 955 torr. What volume will it occupy at 760 torr?
Answer: ________________
3. A sample of nitrogen gas occupies 155 mL at 25 degrees C. What volume will it occupy at – 25 degrees C at constant pressure?
Answer: ________________
4. The volume of a gas is 2.50 L at 20 degrees C and the pressure is held constant.
a. What is the volume of the gas at 200 degrees C? Answer: ________________
b. At what temperature (in C) will the volume be 5.00 L? Answer: ________________
c. At what temperature (in C) will the volume be 1.50 L? Answer: ________________
d. What is the volume of the gas at – 100 degrees C? Answer: ________________
5. Calculate the number of moles of oxygen in 1.00 L at 25 degrees C and 1.00 atm.
Answer: ________________
6. What pressure is needed to confine 6.00 moles of ideal gas in a volume of 4.45 L at 35 degrees C?
Answer: ________________
7. What volume will 0.459 moles of CO2 occupy at 100 degrees C and 0.95 atm?
Answer: ________________
8. At what temperature (in degrees C) will 1.58 moles of H2 occupy 20.0 L at 955 torr?
Answer: ________________
9. What is the volume of 7.50 moles of He at 800 torr and – 10.0 degrees C?
Answer: ________________
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