"heat content"^^ . . "104746670"@en-us . . . . . . . "H"@en-us . . . "heat content"@en-us . "(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; \"enthalpy is the amount of energy in a system capable of doing mechanical work\""@en-us . . . "0"^^ . "05012272-n"^^ . . "enthalpy"@en-us . "0"^^ . "total heat"@en-us . . "103915297"@en-us . . "105012272"^^ . . .