What will its activity be at the end of the day-that is, after 8.00 hr? [A]t = Ci Save for Later

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
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What will its activity be at the end of the day-that is, after 8.00 hr?
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Ci
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Transcribed Image Text:Part 2 What will its activity be at the end of the day-that is, after 8.00 hr? [Alt Ci Save for Later
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Technetium-99m (gamma emitter, t1/2 = 6.02 hr) is widely used for diagnosis in medicine. A sample prepared in the early morn
use that day had an activity of 4.52 x 106 Ci.
Part 1
Your answer is correct.
Choose the equations needed to calculate the activity.
In ([A]/[A]) = kt
OIn ([A],[A]) = kt
Ok-t/2 In2
Ok- In2/t1/2
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Attempts: 2 of 15 used
Transcribed Image Text:Show Attempt History Current Attempt in Progress Technetium-99m (gamma emitter, t1/2 = 6.02 hr) is widely used for diagnosis in medicine. A sample prepared in the early morn use that day had an activity of 4.52 x 106 Ci. Part 1 Your answer is correct. Choose the equations needed to calculate the activity. In ([A]/[A]) = kt OIn ([A],[A]) = kt Ok-t/2 In2 Ok- In2/t1/2 eTextbook and Media Attempts: 2 of 15 used
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