Conjugate Variables (thermodynamics) - The Temperature/entropy Pair

The Temperature/entropy Pair

In a similar way, temperature differences drive changes in entropy, and their product is the energy transferred by heating. Temperature is the driving force, entropy is the associated displacement, and the two form a pair of conjugate variables. We should note that the temperature/entropy pair of conjugate variables is the only heat term, the other terms are essentially all various forms of work.

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