Physical Chemistry Material Equilibrium Isobaric thermalexpansivit 1(oⅣ a(1,P) (1.43) VaT P Isothermal compressibility (4.39) 1(a K(T, P) (1.4) V aP 2 C (453) K aT JT (a-1)(452) aP (264)*1m H PT P V V T P          1 ( , ) P T V V T P          − 1 ( , ) (4.39)* Isobaric thermal expansivity Physical Chemistry Material Equilibrium Isothermal compressibility (1.43)* (1.44)* (4.53)   2 TV CP −CV = ( −1)         = T C V P JT  (4.52) H JT P T           (2.64)*