Question: During a heat transfer process, the entropy change of incompressible substances, such as liquid water, can be determined from S = mcavg ln (T2/T1). Show

During a heat transfer process, the entropy change of incompressible substances, such as liquid water, can be determined from ∆S = mcavg ln (T2/T1). Show that for thermal energy reservoirs, such as large lakes, this relation reduces to ∆S = Q/T.

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