From 1st Law:dU=đQREV−PdVFrom The Definition of Entropy:dS=đQREVT→đQREV=TdS⇒dU=TdS−PdV. Equation 8.1. 1 is called the fundamental equation of thermodynamics since it combines the first and the second law
From 1st Law:dU=đQREV−PdVFrom The Definition of Entropy:dS=đQREVT→đQREV=TdS⇒dU=TdS−PdV. Equation 8.1. 1 is called the fundamental equation of thermodynamics since it combines the first and the second law
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