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24-05-2023
Chemistry

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Write a balanced equation for the formation of CO2(g) from C(s) and O2(g). Calculate the enthalpy change for this reaction using the following data (at 25°C): C(s) + 1/2 O2 (g) → CO(g) ΔH=-111kJ
CO(g) + 1/2 O2(g) → CO2(g) ΔH=-394 kJ
Is this reaction endothermic or exothermic?

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