Respuesta :

Answer:

The answer to your question is: ΔH = 56.52 kJ/mol

Explanation:

Reaction

                NO₂   ⇒    NO   +    O₂

ΔH = ∑H products - ∑H reactants

ΔH = 90.37  + 0 - 33.85

ΔH = 56.52 kJ/mol