Chapter 19, Problem 19.10QP

(a)

Interpretation Introduction

Interpretation:

The reaction rate expressions for the given reactions have to be written.

Concept introduction:

Rate: The rate is nothing but the change in concentration of substrate (reactant) or target (product) with time.

• The change in concentration term is divided by the respective stoichiometric coefficient.
• The negative sign indicates that substrates (reactants) concentration decrease as per the reaction progress.
• Rate of reaction is always represented by positive quantities.

(b)

Interpretation Introduction

Interpretation:

The reaction rate expressions for the given reactions have to be written.

Concept introduction:

Rate: The rate is nothing but the change in concentration of substrate (reactant) or target (product) with time.

• The change in concentration term is divided by the respective stoichiometric coefficient.
• The negative sign indicates that substrates (reactants) concentration decrease as per the reaction progress.
• Rate of reaction is always represented by positive quantities.

To write the reaction rate expression for ${\text{4NH}}_{\text{3(g)}}{\text{+5O}}_{\text{2}}{}_{(g)}\to {\text{4NO}}_{\text{(g)}}{\text{+6H}}_{\text{2}}{\text{O}}_{\text{(g)}}$