Answer: enthalpy

AnswerCrossword Clue
ENTHALPYIt's symbolized by an H
enthalpyquantity associated with a thermodynamic system, expressed as the internal energy of a system plus the product of the pressure and volume of the system, having the property that during an isobaric process, the change in the quantity is equal to the heat t
enthalpythe total heat content of a system