Physical Chemistr Nonideal Systems Reaction equilibrium involving pure solids or pure liquids at const. T' du; =Vm,dP 1()(O.=mmpm1) RT In pure solid or liquid (11.20) rTo I.dp! pure solid or liquid,const. T(11.22 Since solids and liquids are rather incompressible m i IS Independent of P (P-P0) In pure solid or liquie RT11 Reaction Equilibrium involving pure solids or pure liquids at const. T di =Vm,i dPo RT ai = i − i ln pure solid or liquid (11.20)  = P P i o Vm i dP RT a ' 1 ln , pure solid or liquid, const. T (11.22)  − = P P m i o i i o (T,P) (T) V dP'   , pure solid or liquid, const. T (11.21) pure solid or liquid RT P P V a m i o i , ( ) ln −  (11.23) Since solids and liquids are rather incompressible Vm,i is independent of P Physical Chemistry Nonideal Systems