(a) Consider the following chemical reaction: 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) ΔH = ? Use the following thermochemical data to determine the enthalpy change of this reaction.  4Fe(s) + 3O2(g) → 2Fe2O3 (s) ΔH = –1652 kJ C(s,graphite) + ½O2(g) → CO(g) ΔH = –110.5 kJ 3Fe(s) + 2O2 (g) → Fe3O4(s) ΔH = –1117 kJ CO2(g) → C(s,graphite) + O2(g) ΔH = +395.5 kJ (b) What is the standard enthalpy of formation of carbon dioxide?

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A: The answer to the following question is :

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