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Bond Energy (kJ/mol)
H–Cl 427
N–H 391
O–Cl 199
Cl–Cl 242
H–H 435
Hydrogen and chlorine gases react to produce hydrochloric acid according to the reaction.

H2 + Cl2 → 2HCl

How much total bond energy, in kJ/mol, is in the products of the reaction?
A. 854
b. 427
c. 435
d.677

Respuesta :

Answer:

D

Explanation:

The bond energy of 2 molecules of H= 435 (A)

The bond energy of 1 mole of cl= 242 (B)

A + B = 677

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