Determine the change in enthalpy for the following reaction from the enthalpies of formation for the reactants and products.(NH3,- 46 kJ/mol; NO2,+33 kJ/mol; H2O,-286 kJ/mol) 4 NH3(g) + 7 O2(g) 4 NO2(g) + 6 H2O(
)
A) "+1664 kJ/mol"
B) "-1664 kJ/mol"
C) "-1768 kJ/mol"
D) "+1400 kJ/mol"
E) "-1400 kJ/mol"
Correct Answer:
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