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A rock containing 238U and

A rock containing 238U and 206Pb was examined to determine its appropriate age. The molar ratio of 206Pb to 238U was 0.1462.
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2. asked by Jay
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A rock containing 238U and 206Pb was examined to determine its appropriate age. The molar ratio of 206Pb to 238U was 0.1462.
1. 2 answers
2. asked by Jude
3. 674 views
A rock contains 200. µmol 238U (t1/2 = 4.5 109 yr) and 116 µmol 206Pb. Assuming that all the 206Pb comes from decay of the
1. 4 answers
2. asked by Martin
3. 1,222 views
A rock contains 200. µmol 238U (t1/2 = 4.5 109 yr) and 116 µmol 206Pb. Assuming that all the 206Pb comes from decay of the
1. 1 answer
2. asked by Amber
3. 1,544 views
A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that
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2. asked by alice
3. 4,367 views
A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by uranium/lead dating. Assuming that
1. 4 answers
2. asked by josh
3. 12,071 views
The most abundant isotope of uranium,238U , does not undergo fission. In a breeder reactor, however, a 238U atom captures a
1. 1 answer
2. asked by Anonymous
3. 2,005 views
The half-life for the process 238U→206Pb is 4.5×109yr. A mineral sample contains 67.0 mg of 238U and 16.5 mg of 206Pb.What is
1. 5 answers
2. asked by Lm17
3. 773 views
A one gram if 226 Ra has an activity of nearly 1Cl.determine the half life of 226Ra. The half life of 238U is 4.5×109year .
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2. asked by Hana
3. 187 views
The half-life for the process 238U 206Pb is 4.5 109 yr. A mineral sample contains 45.9 mg of 238U and 16.8 mg of 206Pb. What is
1. 3 answers
2. asked by sara
3. 1,419 views