7. Radioactive decay is a first-order kinetics process which follows the integrated rate equation In (A) (A)o =-kt where (A) is the concentration of A at time t, (A), is the concentration of A at t = 0 (the ini- tial concentration of A), and k is a constant, called the rate constant. The fraction of ¹4C found in a sample of wood ash from an archeological dig was found to be 0.664. How old is the wood ash, given that k 1.24 x 10-4 yr for the isotope ¹4C. -

7. Radioactive decay is a first-order kinetics process which follows the integrated rate equation In (A) (A)o =-kt where (A) is the concentration of A at time t, (A), is the concentration of A at t = 0 (the ini- tial concentration of A), and k is a constant, called the rate constant. The fraction of ¹4C found in a sample of wood ash from an archeological dig was found to be 0.664. How old is the wood ash, given that k 1.24 x 10-4 yr for the isotope ¹4C. -

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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