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#5 A rock contains 0.257 mg of Pb-206 for every milligram of U-238.The half-life for the decay of U-238 to Pb-206 is 4.5 x 109. How old is the rock? Q1. As part of the solution in PROBLEM # 5, what is the natural logarithm of the proportion between the parent isotope and daughter isotope? A. 25.7% B. 0.257 C. In 0.257 D. 1.358679194 E. - 1.358679194 F. 3.2464909922 Q2. The FINAL ANSWER to PROBLEM # 5 is?

#5 A rock contains 0.257 mg of Pb-206 for every milligram of U-238.The half-life for the decay of U-238 to Pb-206 is 4.5 x 109. How old is the rock? Q1. As part of the solution in PROBLEM # 5, what is the natural logarithm of the proportion between the parent isotope and daughter isotope? A. 25.7% B. 0.257 C. In 0.257 D. 1.358679194 E. - 1.358679194 F. 3.2464909922 Q2. The FINAL ANSWER to PROBLEM # 5 is?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 21.40QE
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#5 A rock contains 0.257 mg of Pb-206 for every milligram of U-238.The half-life for the decay of U-238 to Pb-206 is 4.5 x 109. How old is the rock? Q1. As part of the solution in PROBLEM # 5, what is the natural logarithm of the proportion between the parent isotope and daughter isotope? А. 25.7% В. О.257 C. In 0.257 D. 1.358679194 E. - 1.358679194 F. 3.2464909922 Q2. The FINAL ANSWER to PROBLEM # 5 is? A. 8.8 X 105 years В. 8.8 X 106 years C. 8.8 X 107 years D. 8.8 X 108 years E. less than 8 million years F. around 8 billion years
Transcribed Image Text:#5 A rock contains 0.257 mg of Pb-206 for every milligram of U-238.The half-life for the decay of U-238 to Pb-206 is 4.5 x 109. How old is the rock? Q1. As part of the solution in PROBLEM # 5, what is the natural logarithm of the proportion between the parent isotope and daughter isotope? А. 25.7% В. О.257 C. In 0.257 D. 1.358679194 E. - 1.358679194 F. 3.2464909922 Q2. The FINAL ANSWER to PROBLEM # 5 is? A. 8.8 X 105 years В. 8.8 X 106 years C. 8.8 X 107 years D. 8.8 X 108 years E. less than 8 million years F. around 8 billion years
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