The following thermochemical equation is for the reaction of ammonia(g)with dinitrogen monoxide(g) to form nitrogen(g)and water(g). 2NH3(g) + 3N20(g) >4N2(g) + 3H2O(g) AHx = -880 kJ How many grams of NH3(g) would have to react to produce 137 kJ of energy? grams