標題:
Calculate delta H
發問:
Calculate delta H for the reaction. NO (g) + O (g) → NO2 (g) given the following information: NO (g) + O3 (g) → NO2 (g) + O2 (g) delta H = -198.9kJ O3(g) → (3/2) O2 (g) delta H = -142kJ O2(g) → 2O (g) delta H = 495.0kJ ans: -304.1kJ
NO(g) + O3(g) → NO2(g) + O2(g) .. ΔH = -198.9 kJ (3/2)O2(g) → O-3(g) .. ΔH = -(-142) = +142 kJ O(g) → (1/2)O2(g) .. ΔH = -(1/2)(495.0) =-247.5 kJ Add the above 3 thermochemical equations together, and cancel O3(g)and (3/2)O2(g) on the both sides. NO(g) + O(g) → NO2(g) ΔH = (-198.9) + (+142) + (-247.5) = -304.4 kJ
其他解答:7638E748EED250B0
Calculate delta H
發問:
Calculate delta H for the reaction. NO (g) + O (g) → NO2 (g) given the following information: NO (g) + O3 (g) → NO2 (g) + O2 (g) delta H = -198.9kJ O3(g) → (3/2) O2 (g) delta H = -142kJ O2(g) → 2O (g) delta H = 495.0kJ ans: -304.1kJ
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最佳解答:NO(g) + O3(g) → NO2(g) + O2(g) .. ΔH = -198.9 kJ (3/2)O2(g) → O-3(g) .. ΔH = -(-142) = +142 kJ O(g) → (1/2)O2(g) .. ΔH = -(1/2)(495.0) =-247.5 kJ Add the above 3 thermochemical equations together, and cancel O3(g)and (3/2)O2(g) on the both sides. NO(g) + O(g) → NO2(g) ΔH = (-198.9) + (+142) + (-247.5) = -304.4 kJ
其他解答:7638E748EED250B0
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