Given these reactions:
NO (g) + O3 (g) →NO2 (g) + O2 (g), ΔH=-199kJ
O3 (g) →32O2 (g), ΔH=-142kJ
O2 (g) →2O (g), ΔH=+495kJ
What is the ΔH for this reaction?
NO (g) + O (g) →NO2 (g)
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