2. A radioactive substance has a half-life of 3 seconds. If the initial activity is 3.8 × 108 decays/second, what will the activity be after 15 seconds?
2. A radioactive substance has a half-life of 3 seconds. If the initial activity is 3.8 × 108 decays/second, what will the activity be after 15 seconds?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 21.54QE
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Transcribed Image Text:2. A radioactive substance has a half-life of 3 seconds. If the initial activity is 3.8 × 108
decays/second, what will the activity be after 15 seconds?
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