The change in activation energy of a reaction without catalyst at 600 K and with catalyst is given. Also, the time of uncatalyzed reaction to occur is given. Based on these data, the time ofcatalyzed reaction is to be calculated. Concept introduction: The substance that speeds up the rate of reaction without getting consumed itself in a chemical reaction is known as catalyst. The relationship between the rate constant and temperature is given by the Arrhenius equation, k = A e − E a R T ln k = − E a R T + ln A To determine : The total time of catalyzed reaction.

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Chapter 11, Problem 82E

Interpretation Introduction

Interpretation: The change in activation energy of a reaction without catalyst at 600 K and with catalyst is given. Also, the time of uncatalyzed reaction to occur is given. Based on these data, the time ofcatalyzed reaction is to be calculated.

Concept introduction: The substance that speeds up the rate of reaction without getting consumed itself in a chemical reaction is known as catalyst.

The relationship between the rate constant and temperature is given by the Arrhenius equation,

k=Ae−EaRTlnk=−EaRT+lnA

To determine: The total time of catalyzed reaction.

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