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two moles of helium gas is taken from state A to state B shown in P-T graph. the work done by the gas during the process expressed in joules is(R is molar gas constant)

two moles of helium gas is taken from state A to state B shown in P-T graph. the work done by the gas during the process expressed in joules is(R is molar gas constant)

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Grade:11

1 Answers

Arun
25758 Points
3 years ago
WAB = ∆Q - ∆U = nCpdT – nCvdT (at constant pressure)  = n(Cp – Cv)dt  = nRdT = 2 × R × (500 – 300) = 400 R 

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