Question

A system ”A” is in thermal contact with a thermal reservoir ”B”, kept at

a temperature T. If a heat Q is exchanged between ”A” and ”B” before

they reach a thermal equilibrium with each other, show that the following

function becomes minimum at equilibrium: F = E − T S, where E is the

internal energy of the system ”A” and S is the entropy of the reservoir

”B”.​

Answer 1

Answer:

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Explanation:

a temperature T. If a heat Q is exchanged between ”A” and ”B” before

they reach a thermal equilibrium with each other, show that the following

function becomes minimum at equilibrium: F = E − T S, where E is the

internal energy of the system ”A” and S is the entropy of the reservoir