Given the following data: N2(g) + O2(g) → 2NO(g) ΔH = +180.6 kJ 2CO2(g) + N2(g) → 2CO(g) + 2NO(g) ΔH = 746.6 kJ Find the ΔH of the following reaction: 2CO2(g) → 2CO(g) + O2(g)

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