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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: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 37QAP: The first-order rate constant for the decomposition of a certain hormone in water at 25C is...
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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 ¹4℃ 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 yr¹ for the isotope 14C.
Transcribed Image Text: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 ¹4℃ 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 yr¹ for the isotope 14C.
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