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Grade 11Thermal Physics

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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Profile image of koduru vasu
7 Years agoGrade 11
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1 Answer

Profile image of Arun
7 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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