Physical Chemistry Material Equilibrium e Chapter 4 Material Equilibrium Calculation of changes in state functions ● Calculation of as aS dT+ dP OT' aP PdT-avdP(4.59) aS (449) P O(4.50 aT TaP OT' △S=S2-S dT-aldP (460(4.59) Calculation of S dT VdP T C dP P S dT T S dS P P T  = −         +        = Calculation of changes in state functions    = − = − 2 1 2 1 2 1 dT VdP T C S S S P  (4.60) V T V P S T P  = −         = −        (4.50) T C T S P P  =        (4.49) Physical Chemistry Chapter 4 Material Equilibrium Material Equilibrium