SUSTAINABLE ENERGY (LL)
SUSTAINABLE ENERGY (LL)
2nd Edition
ISBN: 9780357667224
Author: DUNLAP
Publisher: CENGAGE L
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Chapter 5, Problem 7P

Nuclide A has a half-life of 4 days, and nuclide B has a half-life of 16 days. At the beginning of an experiment, a sample contains 218 nuclei of nuclide A and 212 nuclei of nuclide B. How long will it take before the numbers of nuclei of the two nuclides are equal?

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