2. What is the density of methane at 1.00 atm and 298oK?
0.327 g/L 0.654 g/L 1.308 g/L 4.26 g/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. 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
5. 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
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