How much heat is absorbed/released when 25.00 g of NH3(g) reacts in the presence of excess
(g) to produce NO(g) and H2O(l) according to the following chemical equation?
4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l) ΔH° = 1168 kJ
A) 428.6 kJ of heat are absorbed.
B) 428.6 kJ of heat are released.
C) 1715 kJ of heat are absorbed.
D) 1715 kJ of heat are released.
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