Question

The energy change takes place due to- * breaking of bond or making of bond

Answer 1

Answer:

here are certain energy changes that occur during the making or breaking of bonds and this is called enthalpy changes. When a bod is broke, energy is required to break the bond, hence energy is taken in or absorbed when bonds are broken. This makes bond breaking an endothermic process. However, energy is released when bonds are made.

Explanation:

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Answer 2

Answer:

Energy is absorbed to break bonds. Bond-breaking is an endothermic process. Energy is released when new bonds form. Bond-making is an exothermic process.