40. Tc-99 is often used as a radioactive tracer in several medical diagnostic procedures. It has radioactive half-life of 6 hours. Because of its short half-life, it does not stay in the patient's body for a long time, and thus is vey suitable for diagnostic, but not treatment, purposes. On July 20, 2020 at 6:00 AM, a patient is given 64.0 ug (micrograms) of Tc-99. Assume that no process (but for the radioactive decay) depletes the isotope from the patient's body. other a. How much of Tc-99 will remain in the patient's body after 24 hours (i.e., 6:00 AM July 21, 2020)? b. When (Date/Time) will there be about 1.0 microgram of the isotope left in the patient's body?
40. Tc-99 is often used as a radioactive tracer in several medical diagnostic procedures. It has radioactive half-life of 6 hours. Because of its short half-life, it does not stay in the patient's body for a long time, and thus is vey suitable for diagnostic, but not treatment, purposes. On July 20, 2020 at 6:00 AM, a patient is given 64.0 ug (micrograms) of Tc-99. Assume that no process (but for the radioactive decay) depletes the isotope from the patient's body. other a. How much of Tc-99 will remain in the patient's body after 24 hours (i.e., 6:00 AM July 21, 2020)? b. When (Date/Time) will there be about 1.0 microgram of the isotope left in the patient's body?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter18: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 28E
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Transcribed Image Text:40. Tc-99 is often used as a radioactive tracer in several medical diagnostic procedures. It has radioactive half-life
of 6 hours. Because of its short half-life, it does not stay in the patient's body for a long time, and thus is vey
suitable for diagnostic, but not treatment, purposes.
On July 20, 2020 at 6:00 AM, a patient is given 64.0 ug (micrograms) of Tc-99. Assume that no process
(but for the radioactive decay) depletes the isotope from the patient's body.
other
a.
How much of Tc-99 will remain in the patient's body after 24 hours (i.e., 6:00 AM July 21, 2020)?
b. When (Date/Time) will there be about 1.0 microgram of the isotope left in the patient's body?
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