Use the thermochemical equations shown below to determine
the enthalpy for the final reaction:
(1)2Fe(s) + 3C02(g) → Fe2O3(s) + 3CO(g) q = 23 KJ
(2)3 Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) q = -39 KJ
(3) Fe(s) + CO2(g) → FeO(s) + CO(g) q = -1 KJ
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3FeO(s) + CO2(g) → Fe3O4 + CO(g) q = blank KJ