2. At constant temperature, pressure, and volume, which gas has the most molecules?
He H2 Cl2 F2 All of the above
3. A volume of an unknown gas is 300 L at STP. What volume will the gas occupy at 0.0 oC and 1000. torr?
209 L 12.3 L 46.3 L 227 L None of the above
4. An oxygen sample contains volume of 6.00 L at 25oC and 900. torr. How many molecules does this sample contain?
0.291 0.502 2.46*10^23 1.75*10^23 6.02*10^23
5. The temperature of an ideal gas in a 5.0 L container was raised in temperature from 20.oC to 80.oC. If the initial pressure of the gas was 1200 mmHg, what was the final pressure of the gas?
1100 mmHg 1200 mmHg 1300 mmHg 1400 mmHg 1500 mmHg
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