Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O₂(g) →2FeO(s) ΔH = -544.0 kJ (2) Fe(s) +

Question

Given the standard enthalpy changes for the following two reactions:
(1) 2Fe(s) + O₂(g) →2FeO(s) ΔH = -544.0 kJ
(2) Fe(s) + Cl₂(g) →FeCl₂(s) ΔH = -341.8 kJ
what is the standard enthalpy change for the reaction:
(3) 2FeCl₂(s) + O₂(g)- 2FeO(s) + 2Cl₂(g) ΔH² = ?

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