15. Chemical Kinetics
Half-Life
6:13 minutes
Problem 99a
Textbook Question
Textbook QuestionAmericium-241 is used in smoke detectors. It has a first-order rate constant for radioactive decay of k = 1.6 * 10-3 yr-1. By contrast, iodine-125, which is used to test for thyroid functioning, has a rate constant for radioactive decay of k = 0.011 day-1. (b) Which one decays at a faster rate?
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