2. 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
3. Calculate the mole fraction of gas A, which has a pressure of 110. torr, in the air, which has a pressure of 800. torr.
0.138 0.427 0.121 4.23 13.8
4. At constant temperature, pressure, and volume, which molecule has the highest average velocity?
H2 F2 He Br2 All of the above
5. 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
| about us | contact us
tutorials index | organic
chemistry | practice tests | online
quizzes | reference tools
site copyright (c) 2002 to neopages.com