A gas mixture at 27 ˚C and 1 atm contains equal masses of He, H2, CO2, and CH4. How do their molecul — Gases Chemistry Question
Question
A gas mixture at 27 ˚C and 1 atm contains equal masses of He, H2, CO2, and CH4. How do their molecular velocities compare?
A.
He = H2 = CO2 = CH4
B.
He < H2 < CO2 < CH4
C.
H2 < He < CH4 < CO2
D.✓ Correct
CO2 < CH4 < He < H2
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