IGNOU BPHCT 135 2026 - Using the Maxwell's relations of thermodynamics, obtain the first

Question

Using the Maxwell's relations of thermodynamics, obtain the first and second TdS-equations.

19 Jan 2026

Answer :

Word Count : 305

Maxwell’s relations are derived from the fundamental thermodynamic potentials and the exactness of their differentials. Starting from the first law of thermodynamics for a closed system, ( dU = TdS - PdV ), where ( U ) is internal energy, ( T ) temperature, ( S ) entropy, ( P ) pressure, and ( V ) volume, we consider ( U ) as a function of natural variables ( S ) and ( V ), i.e., ( U = U(S,V) ). Its

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