Chemistry-
General
Easy
Question
Given the data below, what approximately is DH for the reaction:
H2(g) + 
(g).Average Bond energies
H—H—436 kJ/mole
Cl—Cl—242 kJ/mole
H—Cl—432 kJ/mole
- +186 kJ / mole
- –186 kJ /mole
- –246 kJ/mole
- +246 kJ/mole
The correct answer is: +186 kJ / mole
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