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6. 13.116 Strontium-90, a radioactive isotope, is a major on product of an atomic bomb explosion. It has a half- life of 28.1 yr. (a) Calculate the first-order rate con- stant for the nuclear decay. (b) Calculate the fraction of ⁹0Sr that remains after 10 half-lives. (c) Calculate the number of years required for 99.0 percent of 90Sr to disappear.

6. 13.116 Strontium-90, a radioactive isotope, is a major on product of an atomic bomb explosion. It has a half- life of 28.1 yr. (a) Calculate the first-order rate con- stant for the nuclear decay. (b) Calculate the fraction of ⁹0Sr that remains after 10 half-lives. (c) Calculate the number of years required for 99.0 percent of 90Sr to disappear.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section18.4: Rates Of Disintegration Reactions
Problem 18.5PSP
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6. 13.116 Strontium-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half- life of 28.1 yr. (a) Calculate the first-order rate con- stant for the nuclear decay. (b) Calculate the fraction of ⁹0Sr that remains after 10 half-lives. (c) Calculate the number of years required for 99.0 percent of 90Sr to disappear.
Transcribed Image Text:6. 13.116 Strontium-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half- life of 28.1 yr. (a) Calculate the first-order rate con- stant for the nuclear decay. (b) Calculate the fraction of ⁹0Sr that remains after 10 half-lives. (c) Calculate the number of years required for 99.0 percent of 90Sr to disappear.
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