Chapter 17, Problem 17E.2AE

Interpretation Introduction

Interpretation:

For the given reactions, if the third step is rate limiting then the rate law for the decomposition of ${\text{O}}_{\text{3}}$ is second order in ${\text{O}}_{\text{3}}$ and of order $\text{-1}\text{in}{\text{O}}_{\text{2}}$.

Concept Introduction:

Rate of a reaction:

Rate of a reaction is the change in concentration of reactant or product per unit time.  It is expressed in terms of decrease in concentration of any of the reactants and increase in concentration of any of the products.

Rate Law:

Rate law is experimentally determined and is used to predict the relationship between the rate of a reaction and concentration of the reactants. 

For the general reaction:

    $\text{aA + bB }\stackrel{}{\to }\text{cC + dD}$

  ${\text{rate = k[A]}}^{\text{m}}{\text{[B]}}^{\text{n}}$