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From the Sackur-Tetrode equation, show that for an ideal gas

82 – S1 = pln- Rln 2

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Answer #1

We know from the first law of thermodynamics that Therefore, dQ-dUPdV. For an ideal gas, dUCNdT and P NRT/V. For one mole ofNow, ds-dQ/T, so dividing the above equation by T we have From here, you could plug in that T = PV/(NR) and dT = (PdV + VdP)Then you could first integrate along constant pressure (1-0) and then constant volume (dV = 0) and simplify the resulting exp

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