An important step in the synthesis of nitric acid is the


An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. H° f [NH3(g)] = -45.9 kJ/mol;
H° f [NO(g)] = 90.3 kJ/mol; H°f[H2O(g)] = -241.8 kJ/mol

4NH3(g) + 5O2(g) 4NO(g) + 6H2O(g)

Calculate H° rxn for this reaction.

A. -906.0 kJ

B. -197.4 kJ

C. 197.4 kJ

D. 906.0 kJ

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Chemistry: An important step in the synthesis of nitric acid is the
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