Multiple Choice
How much heat is absorbed/released when 40.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) and H2O(l) according to the following chemical equation? 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(l) ΔrH° = 1168 kJ
A) 685.8 kJ of heat are absorbed.
B) 685.8 kJ of heat are released.
C) 2743 kJ of heat are absorbed.
D) 2743 kJ of heat are released.
Correct Answer:
Verified
Correct Answer:
Verified
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