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A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This is possible because 87Rb, which has a half-life of 4.75x1010 y, undergoes B - decay and becomes 87Sr. The geologist determines that the ratio of 87Sr to 87R6 is 0.15. Assuming there was no 87 sSr in the rock when it was formed, determine the age of the rock. age of rock =

A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This is possible because 87Rb, which has a half-life of 4.75x1010 y, undergoes B - decay and becomes 87Sr. The geologist determines that the ratio of 87Sr to 87R6 is 0.15. Assuming there was no 87 sSr in the rock when it was formed, determine the age of the rock. age of rock =

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 18.6E
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A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This is possible because 87 Rb, which has a half-life of 4.75x1010 y, undergoes B- decay and becomes 87Sr. The geologist determines that the ratio of 87Sr to 87Rb is 0.15. Assuming there was no 87 Sr in the rock when it was formed, determine the age of the rock. age of rock =
Transcribed Image Text:A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This is possible because 87 Rb, which has a half-life of 4.75x1010 y, undergoes B- decay and becomes 87Sr. The geologist determines that the ratio of 87Sr to 87Rb is 0.15. Assuming there was no 87 Sr in the rock when it was formed, determine the age of the rock. age of rock =
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