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Use the information provided to determine ΔrH° for the following reaction: ΔfH° (kJ mol-1) 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) ΔrH° = ?
Fe2O3(s) -824
Fe3O4(s) -1118
CO(g) -111
CO2(g) -394
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