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Calculate the enthalpy change for the reaction NO(g) + O(g) NO2(g)
From the following data:
NO(g) + O3(g) NO2(g) + O2(g) H = -198.9 kJ
O3(g) 1.5O2(g) H = -142.3 kJ
O2(g) 2O(g) H = 495.0 kJ
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