(a) The roles of Cl and ClO has to be explained. (b) Why the fluorine radical is not important in this mechanism has to be explained. (c) One suggestion to reduce the concentration of chlorine radicals is to add hydrocarbons such as ethane to the stratosphere. How this will work has to be explained. (d) Potential energy versus reaction progress diagrams for the uncatalyzed and catalyzed destruction of ozone has to be drawn. Concept introduction: Rate of a reaction: It represents the speed at which a chemical reaction runs. How much concentration of reactants consumed and how much concentration of product formed in a unit of time is said to be rate of reaction . Rate of reaction depends on time, temperature, pressure, concentration, and pH of the reaction.

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Chapter 19, Problem 19.106QP

Interpretation Introduction

Interpretation:

(a) The roles of Cl and ClO has to be explained.

(b) Why the fluorine radical is not important in this mechanism has to be explained.

(c) One suggestion to reduce the concentration of chlorine radicals is to add hydrocarbons such as ethane to the stratosphere. How this will work has to be explained.

(d) Potential energy versus reaction progress diagrams for the uncatalyzed and catalyzed destruction of ozone has to be drawn.

Concept introduction:

Rate of a reaction: It represents the speed at which a chemical reaction runs. How much concentration of reactants consumed and how much concentration of product formed in a unit of time is said to be rate of reaction.

Rate of reaction depends on time, temperature, pressure, concentration, and pH of the reaction.

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