Chemistry
Chemistry
4th Edition
ISBN: 9780078021527
Author: Julia Burdge
Publisher: McGraw-Hill Education
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Chapter 20.3, Problem 2CP
Interpretation Introduction

Interpretation:

The activity of C-14 in the given wooden object is to be determined.

Concept Introduction:

The amount of a particular radioactive isotope left after time t is given by the following expression:

lnNtNo=kt

Here, k is the rate constant for the radioactive decay, Nt is the amount of it left after time t, and N0 is the initial amount of the sample.

Nearly all the radioactive decay is of the first order and its rate constant is given as

k = 0.693t1/2

Here, t1/2 is the half-life of the radioactive substance.

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Chapter 20 Solutions

Chemistry

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