The radioactive isotope 133-54 Xe is used in pulmonary respiratory studies to image the blood flow and the air reaching the lungs. The half-life of this isotope is 5 days. Part 1: A hospital needs 0.100 g of 133-54 Xe for a lung-imaging test. If it takes 10 daysdays to receive the shipment, what is the minimal amount mXe of xenon that the hospital should order? Part 2: How long a time (t) will it take for the 133-54 Xe to decay so that eventually its activity decreases by a factor of 1024? Express in terms of days.
The radioactive isotope 133-54 Xe is used in pulmonary respiratory studies to image the blood flow and the air reaching the lungs. The half-life of this isotope is 5 days. Part 1: A hospital needs 0.100 g of 133-54 Xe for a lung-imaging test. If it takes 10 daysdays to receive the shipment, what is the minimal amount mXe of xenon that the hospital should order? Part 2: How long a time (t) will it take for the 133-54 Xe to decay so that eventually its activity decreases by a factor of 1024? Express in terms of days.
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
Section: Chapter Questions
Problem 46PS
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The radioactive isotope 133-54 Xe is used in pulmonary respiratory studies to image the blood flow and the air reaching the lungs. The half-life of this isotope is 5 days.
Part 1: A hospital needs 0.100 g of 133-54 Xe for a lung-imaging test. If it takes 10 daysdays to receive the shipment, what is the minimal amount mXe of xenon that the hospital should order?
Part 2: How long a time (t) will it take for the 133-54 Xe to decay so that eventually its activity decreases by a factor of 1024? Express in terms of days.
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