L26A
       Other thermodynamic relation: Partial derivative of some
        other properties
        Volume expansivity, isothermal compressibility and
        isentropic compressibility

L26B
       Relations involving specific heats
        Example 11.6 using specific heat relations
        Joule-Thomson coefficient

L26C
         Explanation of second examination(Q1-6)

L26D
        Explanation of second examination(Q7-9)
        Constructing tables of thermodynamics properties
        Developing table by integration closing P-V-T and
        specific heat data