Three 100-L Flasks at 25°C and 725 Torr Contain the Gases

question 99

Multiple Choice

Three 1.00-L flasks at 25°C and 725 torr contain the gases CH4 (flask A) , CO2 (flask B) , and C2H6 (flask C) .
In which single flask do the molecules have the greatest mass, the greatest average velocity, and the highest kinetic energy?

• A) flask A
• B) flask B
• C) flask C
• D) all
• E) none

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