Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 6, Problem 6P
To determine
Find the required large percentage of uranium in ore.
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Radium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found in 25 years that approximately 1.1% of a certain quantity of radium has decomposed. How many percent of the original amount or radium decompose after 76 years?
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Radium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found in
25 years that approximately 1.1% of a certain quantity of radium has decomposed. How many percent of
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O a. 5.5%
O b. 3.3%
O C. none of these
O d. 6.6%
Oe. 4.4%
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