Determine the heat of the following reaction: FeO(s)+Fe2O3(s)→Fe3O4( – InterviewSolution

1.	Determine the heat of the following reaction: FeO(s)+Fe2O3(s)→Fe3O4(s) Given informations: 2Fe(s)+O2(g)→2FeO(s); ΔH∘=−544 kJ4Fe(s)+3O2(g)→2Fe2O3(s); ΔH∘=−1648.4 kJFe3O4(s)→3Fe(s)+2O2(g);ΔH∘=+1118.4 kJ
Answer» Determine the heat of the following reaction: $F e O (s) + F e_{2} O_{3} (s) \to F e_{3} O_{4} (s)$ Given informations: $2 F e (s) + O_{2} (g) \to 2 F e O (s); Δ H^{\circ} = - 544 k J 4 F e (s) + 3 O_{2} (g) \to 2 F e_{2} O_{3} (s); Δ H^{\circ} = - 1648.4 k J F e_{3} O_{4} (s) \to 3 F e (s) + 2 O_{2} (g); Δ H^{\circ} = + 1118.4 k J$

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