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A helium atom is two times heavier than ...

A helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is

A

two times that of a hydrogen molecule

B

four times that of a hydrogen molecule

C

half that of a hydrogen molecule

D

same as that of a hydrogen molecule

Text Solution

Verified by Experts

The correct Answer is:
D
Kinetic energy `(=(3)/(2) RT)` does not depends upon the atomic mass of the gases.
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