Posted by **yr** on Wednesday, April 27, 2011 at 8:40pm.

se the information provided to determine ΔH°rxn for the following reaction:

ΔH°f (kJ/mol) 3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2(g) ΔH°rxn = ?

Fe2O3(s) -824

Fe3O4(s) -1118

CO(g) -111

CO2(g) -394

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