Chemical Principles
Chemical Principles
8th Edition
ISBN: 9781305581982
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 20, Problem 32E
Interpretation Introduction

Interpretation: The time for the given period for plutonium-239 needs to be determined.

Concept Introduction: The time required to disintegrate exactly half of the radioactive substance is called half-life period.

The integrated rate equation can be represented as follows:

  t=2.303λlognont

Here, λ is decay constant and for first order reaction, it is related to half-life time as follows:

  λ=0.6932t1/2

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Chemical Principles

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