The amount of energy required to break a chemical bond

Explanation:

The amount of Energy required to break a chemical bond are usually expressed in kilojoules per mole (kJ/mol): the number of kilojoules of energy that it would take to break apart exactly one mole of those bonds is 6.02 × 10 23.  

answer; i believe that the best answer is (secondary cardiac arrest due to

answer; i believe that the correct answer is (light);