関連ワード:  heat path function or state function    enthalpy path function or state function    heat capacity path function or state function    work and heat path function or state function    specific heat capacity path function or state function    specific heat is path function or state function    molar heat capacity path function or state function    heat at constant pressure is path function or state function    heat change at constant pressure is path function or state function    work done and heat are path function or state function