Relevant Competitive Tests:
Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass ?
A. dE = Tds – PdVCorrect Answer
B. dQ = CvdT + PdV
C. dQ = CpdT + Vdp
D. Tds = dE – PdV
Correct Option: A. dE = Tds – PdV
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