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Data: 2Fe(s) + O2(g) => 2FeO(s) ΔH = -545.8 kJ 4Fe(s) + 3O2(g) => 2Fe2O3(s) ΔH = -1,648 kJ 3Fe(s) + 2O2(g) => Fe3O4(s) ΔH = -1,115 kJ Given the data above, determine the heat of reaction, ΔH, for the reaction: 3 Fe2O3(s) + 3 FeO(s) => 3 Fe3O4(s)