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Given the equation representing a reaction: Cl2 →Cl+Cl. What occurs during this reaction?

Regents Chemistry Exam June 2022


8 Given the equation representing a reaction: Cl2 →Cl+Cl What occurs during this reaction? (1) Energy is released as a bond is broken.

(2) Energy is released as a bond is formed.

(3) Energy is absorbed as a bond is broken.

(4) Energy is absorbed as a bond is formed.


Explanation: When bonds are broken, energy is absorbed. When bonds are formed, energy is released. Cl2 bond is broken to create Cl and another Cl.

Answer: 3

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