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One mole of monoatomic gas and three mol...

One mole of monoatomic gas and three moles of diatomic gas are put together in a container. The molar specific heat (in `JK​^(-1)"​ mol​ "^(-1)`​) at constant volume is (R = 8.3 `J K​^(-1​) " mol"​^(-1​)` )

A

18.7

B

18.9

C

19.2

D

none of these

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SL ARORA-Kinetic Theory of gases-Example
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