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The fraction of a radioactive isotope remaining at time t is (1/2)t/t1/2 where t1/2 is the half-life. If the half-life of carbon−14 is 5,730 yr, what fraction of carbon−14 in a piece of charcoal remains after   (a) 13.0 yr? (b) 1.200 × 104 yr?   (c) 1.2000 × 105 yr?

The fraction of a radioactive isotope remaining at time t is (1/2)t/t1/2 where t1/2 is the half-life. If the half-life of carbon−14 is 5,730 yr, what fraction of carbon−14 in a piece of charcoal remains after   (a) 13.0 yr? (b) 1.200 × 104 yr?   (c) 1.2000 × 105 yr?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The fraction of a radioactive isotope remaining at time t is (1/2)t/t1/2 where t1/2 is the half-life. If the half-life of carbon−14 is 5,730 yr, what fraction of carbon−14 in a piece of charcoal remains after
 
(a) 13.0 yr?
(b) 1.200 × 104 yr?
  (c) 1.2000 × 105 yr?
 

 

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