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(Solved): 1. The following shows the fundamental equation of internal energy (U), \[ d U=T d S-p d V \] Using ...
1. The following shows the fundamental equation of internal energy (U), \[ d U=T d S-p d V \] Using this equation, derive fundamental equations of a) enthalpy (H), b) Helmholtz energy (A), and c) Gibbs free energy (G). d) Using the derived differential equations, prove the followings: \[ \begin{array}{l} \left(\frac{\partial T}{\partial V}\right)_{S}=-\left(\frac{\partial p}{\partial S}\right)_{V} \\ \left(\frac{\partial p}{\partial T}\right)_{V}=\left(\frac{\partial S}{\partial V}\right)_{T} \end{array} \]