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1 mole of an ideal diatomic gas undergoe...

1 mole of an ideal diatomic gas undergoes a reversible polytropic process `(PV^(2)=K)` .The gas expands from initial volume of 1L to 3L and initial temperature of 300K what is the change in internal energy`|Delta U| `in cal `[(R=2calmol^(-1)K^(-1))]`

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