# Answer on Molecular Physics | Thermodynamics Question 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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