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At the same temperature and pressure ,wh...

At the same temperature and pressure ,which of the following gases will have highest kinetic energy per molecule (at . Wt . Of hydrogen = 1 , nitrogen = 14 , carbon = 12, oxygen = 16)?

A

Hydrogen gas

B

Nitrogen gas

C

Ethylene gas

D

All will have equal - average kinetic energy

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The correct Answer is:
D
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