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OpenStudy (anonymous):
One step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) Calculate ΔH°rxn for this reaction. ΔH°f [NH3(g)] = -45.9 kJ/mol; ΔH°f [NO(g)] = 90.3 kJ/mol; ΔH°f [H2O(g)] = -241.8 kJ/mol.
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