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N moles of an ideal diatomic gas are in ...

N moles of an ideal diatomic gas are in a cylinder at temperature T. suppose on supplying heat to the gas, its temperature remain constant but n moles get dissociated into atoms. Heat supplied to the gas is

A

Zero

B

`(1)/(2)nRT`

C

`(3)/(2)nRT`

D

`(3)/(2)RT`

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The correct Answer is:
B
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