Get an Answerthe standard molar enthalpy of formation for gaseous H2O is −241.8 kJ/mol.Smart Writing ServicesOctober 25, 2017 1:00 pmOctober 25, 2017Previous ArticleAmmonia NH3chemically reacts with oxygen gas O2to produce nitric oxide NOand water H2ONext ArticleHow do you find the mass percent of OH- in an unknown sample of antacid size of 0.2274