An Important Step in the Synthesis of Nitric Acid Is $\Delta$

Multiple Choice

An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. Calculate $\Delta$ H $\degree$ _rxn for this reaction. $\Delta$ H $\degree$ _f [NH₃(g) ] = -45.9 kJ/mol; $\Delta$ H $\degree$ _f [NO(g) ] = 90.3 kJ/mol; $\Delta$ H $\degree$ _f [H₂O(g) ] = -241.8 kJ/mol.

A) -906.0 kJ
B) -197.4 kJ
C) -105.6 kJ
D) 197.4 kJ
E) 906.0 kJ