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AP Chem 10 Online
OpenStudy (hope1):

Question 5. 5. Given the following reactions, what is the H for this reaction? NO (g) + O (g) NO2 (g) NO (g) + O3 (g) NO2 (g) + O2 (g), H = 199 kJ O3 (g) 3/2O2 (g), H = 142 kJ O2 (g) 2O (g), H = +495 kJ (Points : 1) 304 kJ 199 kJ +154 kJ +438 kJ

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