Heat is supplied to a diatomic gas at constant pressure. The ratio of ΔQ : ΔU : ΔW is:

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5:3:2

5:2:3

7:5:2

7:2:5

answer is C.

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Detailed Solution

At constant pressure, ΔQ = nCpΔTΔU = nCvΔTBy 1st law of thermodynamics, ΔQ = ΔU + WAlso, For diatomic gas,

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