The average rate from 8 .0 to 20 .0 sec has to be determined. Concept introduction: Relative rates and stoichiometry: During a chemical reaction , amounts of reactant decrease with time and amounts of products increases. Reaction Rate = - 1 coefficient Δ[reactants] Δt = + 1 coefficient Δ[products] Δt

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Chapter 16, Problem 16.13P

(a)

Interpretation Introduction

Interpretation: The average rate from 8.0 to 20.0 sec has to be determined.

Concept introduction:

Relative rates and stoichiometry: During a chemical reaction, amounts of reactant decrease with time and amounts of products increases.

Reaction Rate = - 1coefficientΔ[reactants]Δt = +1coefficient Δ[products]Δt

(b)

Interpretation Introduction

Interpretation: The rate at 5.0 sec has to be determined using graphical methods.

Concept introduction:

Relative rates and stoichiometry: During a chemical reaction, amounts of reactant decrease with time and amounts of products increases.

Reaction Rate = - 1coefficientΔ[reactants]Δt = +1coefficient Δ[products]Δt

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