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1. A mixture of gases contains 48 g O2, 84 grams N2, 9.0 grams of water vapor. If the total pressure is 700 mmHg, what is the partial pressure of the nitrogen gas?
0.092 atm 0.28 atm 0.37 atm 0.46 atm 0.55 atm

2. 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

3. A mixture of nitrogen gas and oxygen gas is kep at constant temperature. Which is true?
Average kinetic energies will be the same Average molecular speed will be the same Partial pressures will be the same Total masses will be the same Densities will be the same

4. What is the rate of effusion between He and Br2?
Br2 is 40x faster than He He is 40x faster than Br2 He is 20x faster than Br2 Br2 is 20x faster than He

5. In a certain container, you have 0.2 moles O2 and 0.3 moles N2. What is the partial pressure of the oxygen at STP?
0.2 atm 0.3 atm 0.4 atm 0.5 atm 0.6 atm

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