Write the equations for iron reduction by carbon monoxide in the stack of a
blast furnace. Which reactions are endothermic and which are exothermic?
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Explanation:
The main chemical reaction producing the molten iron is: Fe2O3 + 3CO → 2Fe + 3CO. This reaction might be divided into multiple steps, with the first being that preheated air blown into the furnace reacts with the carbon in the form of coke to produce carbon monoxide and heat: 2 C(s) + O2(g) → 2 CO.
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