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Right, I have been studying the Maxwell thermodynaic relations. But I have come across entropy as

dS = (bS/bT)_P(dT) + (bS/bP)_T(dP)

where b is the partial differential symbol.

I dont understand where this comes from, which suggests S(T,P). I cant find a derivation of this.

Could you help?

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# Homework Help: Entropy - Maxwell Relations

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