Which of the following equations is obtained on comb... - Solved MCQs & Answer

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Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?

AdQ = CvdT + PdV

BTds = dE – PdV

CdE = Tds – PdV

DdQ = CpdT + Vdp

Correct answer

C. dE = Tds – PdV

Explanation

The correct answer is dE = Tds – PdV.

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