For the Reaction: NO(g)+ 1/2 O₂(g)→ NO₂(g)

question 63

Multiple Choice

For the reaction: NO(g) + 1/2 O₂(g) → NO₂(g)
ΔH°_rxn is -114.14 kJ/mol.Calculate ΔH°_f of gaseous nitrogen monoxide,given that ΔH°_f of NO₂(g) is 33.90 kJ/mol.

• A) 148.0 kJ/mol
• B) 91.04 kJ/mol
• C) -114.1 kJ/mol
• D) 181.9 kJ/mol
• E) -35.64 kJ/mol

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