2.6. The molar enthalpy and the molar entropy for adsorption
If the effect of temperature on volume is neglected, the molar enthalpy is obtained by the Gibbs–Helmholtz equation,
DaHm ¼ DaHbm þ 4VdN r1P rNT @@rTP1P @@rTNP: ð23Þ
In a similar way, the molar entropy can also be found,
DaSm ¼ DaSmb 4VdN @@rT1P P @@rTNP: 24Þ ð