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Solution


Q.

A diatomic gas (γ=1.4) does 100 J of work when it is expanded isobarically. Then the heat given to the gas ______ J.      [2026]

Ans.

(350)

w=100 J=nRΔT  for isobaric process.

Q=nCpΔT=(f2+1)nRΔT

=72·(100)=350 Joule.