Using bond energies present in Table 5.1 , the given reaction in equation 9.1 has to be identified that whether it belongs to endothermic or exothermic reaction. Concept Introduction: Exothermic reaction: Exothermic reactions are those in which evolution of heat takes place during chemical reaction . Endothermic reaction: Endothermic reactions are those in which heat is absorbed during chemical reaction. In such type of reactions, external energy is needed. Polymers : Monomers combine together to form polymers. Monomers are the repeating units of small molecules which link together to form polymers and the process is called as polymerization . Polymers are macromolecules which are formed a by number of repeating units called monomers.

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Chapter 9, Problem 34Q

Interpretation Introduction

Interpretation:

Using bond energies present in Table 5.1, the given reaction in equation 9.1 has to be identified that whether it belongs to endothermic or exothermic reaction.

Concept Introduction:

Exothermic reaction: Exothermic reactions are those in which evolution of heat takes place during chemical reaction.

Endothermic reaction: Endothermic reactions are those in which heat is absorbed during chemical reaction. In such type of reactions, external energy is needed.

Polymers: Monomers combine together to form polymers. Monomers are the repeating units of small molecules which link together to form polymers and the process is called as polymerization.

Polymers are macromolecules which are formed a by number of repeating units called monomers.

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