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n moles of diatomic gas in a cylinder is...

n moles of diatomic gas in a cylinder is at a temperature T . Heat is supplied to the cylinder such that the temperature remains constant but n moles of the diatomic gas get converted into monatomic gas . The change in the total kinetic energy of the gas is

A

0

B

`5/2` nRT

C

`3/2` nRT

D

`1/2` nRT

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The correct Answer is:
D
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