A freshly isolated sample of 90Y was found to have an activity of 9.8 x 105 disintegrations per minute at 1.00Pm on December 3, 1992. At 2:15 PM on December 17, 1992, its activity was predetermined and found to be 2.6 x 104 disintegrations per minute. Calculate thee half-life of 90Y.
A freshly isolated sample of 90Y was found to have an activity of 9.8 x 105 disintegrations per minute at 1.00Pm on December 3, 1992. At 2:15 PM on December 17, 1992, its activity was predetermined and found to be 2.6 x 104 disintegrations per minute. Calculate thee half-life of 90Y.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter20: Nuclear Chemistry
Section: Chapter Questions
Problem 20.68QP
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12. A freshly isolated sample of 90Y was found to have an activity of 9.8 x 105 disintegrations per minute at 1.00Pm on December 3, 1992. At 2:15 PM on December 17, 1992, its activity was predetermined and found to be 2.6 x 104 disintegrations per minute. Calculate thee half-life of 90Y.
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