(3) In the iron blast furnace iron(III) oxide is reduced to iron. Coke (carbon) is charged with the ore and air (oxygen) is blown into the furnace, the overall reaction at 1600 °C possibly being: Fe, O, + 3C + 0, - 2Fe + 3CO2 Calculate AH for this reaction at 1600 °C given that the following may be feasible intermediate stages: c+0,CO, CO2 +C3co Fe,O, +coFe, 04 +co, Fe,O, +co2Fe +co2 AH = -593.3 kJ AH = +259.6 kJ AH = -17.6 kJ + 2Fe AH = -10.5 kl
(3) In the iron blast furnace iron(III) oxide is reduced to iron. Coke (carbon) is charged with the ore and air (oxygen) is blown into the furnace, the overall reaction at 1600 °C possibly being: Fe, O, + 3C + 0, - 2Fe + 3CO2 Calculate AH for this reaction at 1600 °C given that the following may be feasible intermediate stages: c+0,CO, CO2 +C3co Fe,O, +coFe, 04 +co, Fe,O, +co2Fe +co2 AH = -593.3 kJ AH = +259.6 kJ AH = -17.6 kJ + 2Fe AH = -10.5 kl
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Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.101QP: The direct reaction of iron(III) oxide. Fe2O3, to give iron and oxygen gas is a nonspontaneous...
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Transcribed Image Text:(3) In the iron blast furnace iron(III) oxide is reduced to iron. Coke (carbon) is
charged with the ore and air (oxygen) is blown into the furnace, the overall reaction
at 1600 °C possibly being:
Fe, O, + 3C + 02 2Fe + 3CO2
Calculate AH for this reaction at 1600 °C given that the following may be feasible
intermediate stages:
c+0,CO,
CO2 +C3CO
Fe,0, +co Feg04 +co,
Fe,04 +co 2Fe +co;
AH = -593.3 kJ
%3D
AH
= +259.6 kJ
AH
-17.6 kJ
AH = -10.5 kJ
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