Fe3O4(s) + H2(g) → Fe(s) + 4H2O(g)
Fe3O4(s) + 8 H2(g) → Fe(s) + 4H2O(g)
Iron oxide ores, commonly a mixture of FeO and Fe2O3, are given the general formula Fe3O4. They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. Balance the following equations for these processes:
Fe3O4(s) + H2(g) → Fe(s) + H2O(g)
Fe3O4(s) + CO(g) → Fe(s) + CO2(g)
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