A certain rock contains 9.61 g of 40k and 1.4 g of its stable daughter isotope, 40 Ar. Assuming that no argon was in the rock when it solidified and that no argon or potassium escaped since its solidification, calculate the age of the rock. The half-life of 40K is 1.3 × 10 years. 1.9 x 108 years 2.9 x 108 years 9 x 10 years 10 x 10 years
A certain rock contains 9.61 g of 40k and 1.4 g of its stable daughter isotope, 40 Ar. Assuming that no argon was in the rock when it solidified and that no argon or potassium escaped since its solidification, calculate the age of the rock. The half-life of 40K is 1.3 × 10 years. 1.9 x 108 years 2.9 x 108 years 9 x 10 years 10 x 10 years
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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