When an ideal diatomic gas is heated at
constant pressure, the fraction of heat energy
supplied which is used in doing work to
maintain pressure constant is
1) 5/7 2) 7/2
3) 2/7
4) 2/5
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Answer:2) 7/2
Explanation: we know that,
Q=ncp∆t where n is the atomicity,cp is heat at constant pressure
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