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The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for | |
A. | reversible isothermal volume change. [Wrong Answer] |
B. | heating of a substance. [Wrong Answer] |
C. | cooling of a substance. [Wrong Answer] |
D. | simultaneous heating and expansion of an ideal gas. [Correct Answer] |