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The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Qoe-kt. (Round the decay constant to three significant digits.) Q(t) = (b) Use your model to predict, to the nearest year, the time it takes one quarter of a sample of cobalt 60 to decay. yr

The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Qoe-kt. (Round the decay constant to three significant digits.) Q(t) = (b) Use your model to predict, to the nearest year, the time it takes one quarter of a sample of cobalt 60 to decay. yr

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 34E: The isotope 208Tl undergoes decay with a half-life of 3.1 min.. (a) What isotope is produced by the...
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The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Q₂e¯kt. (Round the decay constant to three significant digits.) Q(t): = (b) Use your model to predict, to the nearest year, the time it takes one quarter of a sample of cobalt 60 to decay. yr
Transcribed Image Text:The half-life of cobalt 60 is 5 years. (a) Obtain an exponential decay model for cobalt 60 in the form Q = Q₂e¯kt. (Round the decay constant to three significant digits.) Q(t): = (b) Use your model to predict, to the nearest year, the time it takes one quarter of a sample of cobalt 60 to decay. yr
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