2. Carbon-11, used in medical imaging, has a half-life of 20.4 min. The carbon-11 nuclides are formed, and the carbon atoms are then incorporated into an appropriate compound. The resulting sample is injected into a patient, and the medical image is obtained. If the entire process takes five half-lives, what percent of the original carbon-11 remains at this time?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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2. Carbon-11, used in medical imaging, has a half-life of 20.4 min. The
carbon-11 nuclides are formed, and the carbon atoms are then
incorporated into an appropriate compound. The resulting sample is
injected into a patient, and the medical image is obtained. If the entire
process takes five half-lives, what percent of the original carbon-11
remains at this time?
Transcribed Image Text:2. Carbon-11, used in medical imaging, has a half-life of 20.4 min. The carbon-11 nuclides are formed, and the carbon atoms are then incorporated into an appropriate compound. The resulting sample is injected into a patient, and the medical image is obtained. If the entire process takes five half-lives, what percent of the original carbon-11 remains at this time?
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