Calculate ΔH°298 for the process Co3O4(s) ⟶ 3Co(s) + 2O2(g) from the following information: Co(s) +...

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Calculate ΔH°298 for the process Co₃O₄(s) ⟶ 3Co(s) + 2O₂(g) from the following information:
Co(s) + ^1/₂O₂(g) ⟶ CoO(s) ΔH°₂₉₈ = −237.9kJ

3CoO(s) +^1/₂O₂(g) ⟶ Co₃O₄(s) ΔH°₂₉₈ = −177.5kJ

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