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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 for Today: General, Organic, and Biochemistry
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.18E
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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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