Question

How do you calculate the change in entropy for an isothermal process?

Answer 1

It depends on which way we change the entropy (pressure or volume)

of these:

ΔS=nRln(V2/V1)

Answer 2

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Entropy involving ideal gases

Entropy involving ideal gasesConcepts: Isothermal processes.

Entropy involving ideal gasesConcepts: Isothermal processes.Reasoning: For an ideal g.as PV = nRT. For an isothermal process PV = constant, dU = dQ - dW = 0. dQ = dW = PdV.