2. A gaseous mixture at a constant temperature contains O2, CO2, andHe. Which of the following lists the 3 gases in order of decreasing average molecular speed?
He, CO2, O2 CO2, He, O2 O2, CO2, He CO2, O2, He He, O2, CO2
3. Which gas is the most abundant in the Earth's atmosphere?
N2 O2 He H2 CO2
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. If you have a gas taking 14.0 L at 800. torr and 26oF, calculate the volume of the gas at 40oC and 2 atm.
4.13 L 16.34 L 8.27 L 5674 L 4.26 L
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