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1. A balloon occupies a volume of 1.0 liter when it contains 0.08 grams of hydrogen gas at STP. If hydrogen gas is added to the balloon while pressure and temp are kept constant, what will be the new volume?
0.50 L 1.0 L 2.0 L 4.0 L 5.0 L

2. Body temperature is around 308oK. What volume of air at 298oK must a person with a lung capacity of 2.5 L breath in to fill the lungs?
2.58 L 0.00811 L 2.42 L 4.26 L None of the above

3. A gas is heated from -10.0oC to 60oC and the volume is increased from 1.0 L to 6.0 L. If the initial pressure is 0.5 atm, what is the final pressure?
0.10 atm 0.11 atm 0.12 atm 0.25 atm 0.50 atm

4. A sample of N2 was collected over water at 20oC and a total pressure of 760 mmHg. A total volume of 0.250 L was collected. What mass of nitrogen was collected? (Vapor pressure of water is 17.5 torr)
0.101 g 0.286 g 0.598 g 0.121 g None of the above

5. Which of these conditions causes the ideal gas laws to fail?
High Pressure High temperature Large Volume High temp and pressure High temp and large volume

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