The radioactive isotope 99mTc (used in medical stress tests) decays via gamma emission following first order kinetics and has a half-life of 6.02 hours. How long will it take before the radioactivity drops below 5.00% of the initial value? A. 42.1 hours B. 30.2 hours C. 26.1 hours D. 24.1 hours
The radioactive isotope 99mTc (used in medical stress tests) decays via gamma emission following first order kinetics and has a half-life of 6.02 hours. How long will it take before the radioactivity drops below 5.00% of the initial value? A. 42.1 hours B. 30.2 hours C. 26.1 hours D. 24.1 hours
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section: Chapter Questions
Problem 29PS: The radioactive isotope 64Cu is used in the form of copper(II) acetate to study Wilsons disease. The...
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The radioactive isotope 99mTc (used in medical stress tests) decays via gamma emission following first order kinetics and has a half-life of 6.02 hours. How long will it take before the radioactivity drops below 5.00% of the initial value?
A. 42.1 hours
B. 30.2 hours
C. 26.1 hours
D. 24.1 hours
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