"0"^^ . "heat of formation"@en-us . . . "heat of formation"^^ . "111470765"^^ . . "0"^^ . . . . "107808831"@en-us . "the heat evolved or absorbed during the formation of one mole of a substance from its component elements"@en-us . "11470765-n"^^ . . . . "110730483"@en-us .