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3)From the following data at 25C ∆Hreaction (kJ mol-1) Fe2O3(s) + 3C(graphite) → 2Fe(s) + 3CO(g)...

3)From the following data at 25C ∆Hreaction (kJ mol-1)

Fe2O3(s) + 3C(graphite) → 2Fe(s) + 3CO(g) 492.6

FeO(s) + C(graphite) → Fe(s) + CO(g) 155.8

C(graphite) + O2(g) → CO2(g) -393.51

CO(g) + 1⁄2 O2(g) → CO2(g) -282.98

Calculate the standard enthalpy of formation of FeO(s) and of Fe2O3(s).

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