Determine the heat of reaction for this process.
FeO(s) + Fe₂O₃(s) → Fe₃O₄(s)
Given information:
²Fe(s) + O₂(g) → 2FeO(s) ∆Ho = –544.0 kJ
⁴Fe(s) + 3O₂(g) → 2Fe₂O₃(s) ∆Ho = –1648.4 kJ
Fe₃O₄(s) → ³Fe(s) + 2O₂(g) ∆Ho = +1118.4 kJ

Question

Determine the heat of reaction for this process.
FeO(s) + Fe2O3(s) → Fe3O4(s)
Given information:
2Fe(s) + O2(g) → 2FeO(s) ∆Ho = –544.0  kJ
4Fe(s) + 3O2(g) → 2Fe2O3(s) ∆Ho = –1648.4 kJ
Fe3O4(s) → 3Fe(s) + 2O2(g) ∆Ho = +1118.4 kJ

Accepted Answer

Correct answer: B.

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