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If a Liter of CO2 Is Compared to a Liter

Question 22

Multiple Choice

If a liter of CO2 is compared to a liter of H2,both at 25 °C and one atmosphere pressure,then:


A) the CO2 and H2 molecules have the same average speed
B) there are more H2 molecules than CO2 molecules
C) the average kinetic energy of the CO2 molecules is greater than that of the H2 molecules
D) the CO2 molecules are,on the average,moving more slowly than the H2 molecules
E) the mass of one liter of CO2 equals the mass of one liter of H2

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