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Given the Bond Enthalpies N-H (389),Cl-Cl (243),N-Cl (201),and H-Cl (431)in

Question 30

Multiple Choice

Given the bond enthalpies N-H (389) ,Cl-Cl (243) ,N-Cl (201) ,and H-Cl (431) in kJ/mol,compute ΔH° in kJ/mol for:
NH₃(g) + Cl₂(g) → NH₂Cl + HCl(g) .

A) -393 kJ/mol
B) -1100 kJ/mol
C) +71 kJ/mol
D) +393 kJ/mol
E) 0 kJ/mol

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