Answer to Question #187301 in General Chemistry for jeff

General Chemistry

Question #187301

enthalpy change of Cl2 + 2HBr —> 2HCl + Br₂

Expert's answer

∆°_fHBr= -36.2KJ/mol

∆°_fHCl= -92.3KJ/Mol

∆H = H_products- H_reactants

∆H= [2(-92.3) - 2(-36.2)]

∆H= -184.6 + 72.4

∆H= -122.2KJ/mol

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