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

question 45

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

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