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Is 3Fe + 2O2 → Fe3O4 ΔH = -1120.5kJ an exothermic or endothermic equation

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If dH is negative it means the reaction is releasing heat so it is exothermic.

reaction endothermic or exothermic?

3Fe + 2O2 → Fe3O4

ΔH= −1120 kJ

exothermic

endothermic

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