Use the information in the table to answer the question.
Bond Bond Energy (kJ/mol)
H–Cl 427
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?
(1 point)
677
677
435
435
427
427
854
To determine the total bond energy in the products of the reaction, we need to calculate the bond energy for each bond formed in the product, HCl.
In the reaction, 1 mole of H2 reacts with 1 mole of Cl2 to produce 2 moles of HCl.
The bond energy for the H–Cl bond is given as 427 kJ/mol.
Since 2 moles of HCl are formed in the reaction, the total bond energy in the products is calculated as:
2 moles of HCl * 427 kJ/mol = 854 kJ/mol
Therefore, the correct answer is 854.