The reaction enthalpy for the given reaction has to be calculated and the reaction has to be identified that whether it comes under exothermic or endothermic reaction. Concept Introduction: Enthalpy is the amount energy absorbed or released in a process. Exothermic reaction: Exothermic reactions are those in which evolution of heat takes place during any chemical reaction . They release heat because the reactant molecules require less heat for breakage of bonds than the product molecules. Endothermic reaction: Endothermic reactions are those in which heat is absorbed during any chemical reaction.

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Chapter 4, Problem 65QRT

Interpretation Introduction

Interpretation:

The reaction enthalpy for the given reaction has to be calculated and the reaction has to be identified that whether it comes under exothermic or endothermic reaction.

Concept Introduction:

Enthalpy is the amount energy absorbed or released in a process.

Exothermic reaction: Exothermic reactions are those in which evolution of heat takes place during any chemical reaction. They release heat because the reactant molecules require less heat for breakage of bonds than the product molecules.

Endothermic reaction: Endothermic reactions are those in which heat is absorbed during any chemical reaction.

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