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Two identical vessels contain helium and...

Two identical vessels contain helium and hydrogen gases at same temperature, then

A

average kinetic energy per mole of hydrogen = average kinetic energy per mole of helium

B

average translational kinetic energy per mole of hydrogen = average translational kinetic energy per mole of helium

C

average kinetic energy per mole of hydrogen `=(3)/(5)` average kinetic energy per mole of helium

D

average kinetic energy per mole of hydrogen `=(5)/(3)` average kinetic energy per mole of helium

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B, D
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