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Calculate ΔH° for the process Co 3 O 4(s) ⟶ 3Co(s) + 2O2(g) from the following information:Co(s) + 21O2(g) ⟶ CoO(s) ΔH° = −237.9kJ3CoO(s) + 21O2(g) ⟶ Co3 O4(s) ΔH° = −177.5kJ

Sagot :

rayliearellano

Answer:

The answer to your question is ∆Hrxm= – 23.9 kJ

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