Answer to Question #18441 in Physical Chemistry for Diana

Question #18441
An initial step in the production of iron in a blast furnace involves the conversion of iron (iii) oxide and carbon monoxide into iron (ii,iii) oxide and carbon dioxide.Calculate the enthalpy of this reaction using standard molar enthalpies of formation.
1
Expert's answer
2012-11-14T07:13:46-0500
3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g)
∆H = ∑nH°f(products) - ∑nH°f(reactants)
∆H = 2(-118.4 kj/mol) - 393.5 kj/mol - (3(-824.2 kjmol)- 110.5 kj/mol) = 47.2 kJ

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