# Answer to Question #66524 in Molecular Physics | Thermodynamics for raj jadhavar

Question #66524

One mole of an ideal gas expands isothermally to five times its initial volume.

Calculate the entropy change in terms of R, the gas constant.

Calculate the entropy change in terms of R, the gas constant.

Expert's answer

S = nRln(V2/V1) = 1 mol * R * ln(5) = 1.61R J*mol-1K-1

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