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pure polonium-210 (k = 5.02 × 10−3 day−1) were used in a crime, based on radioactive disintegration alone, how long would it take for half the original isotope to disappear?     a. 2.9 years   b. 69.3 hours   c. 1.44 × 103 minutes   d. 210 years   e. 138 days

pure polonium-210 (k = 5.02 × 10−3 day−1) were used in a crime, based on radioactive disintegration alone, how long would it take for half the original isotope to disappear?     a. 2.9 years   b. 69.3 hours   c. 1.44 × 103 minutes   d. 210 years   e. 138 days

Chemistry for Today: General, Organic, and Biochemistry
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.77E
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If pure polonium-210 (k = 5.02 × 10−3 day−1) were used in a crime, based on radioactive disintegration alone, how long would it take for half the original isotope to disappear?

 

  a.

2.9 years
  b.

69.3 hours
  c.

1.44 × 103 minutes
  d.

210 years
  e.

138 days
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