Torgeir is on a geology field trip and finds a meteorite that contains 10 times more argon-40 than potassium-40. The half life of potassium-40 is 1.25x109 years assume the only decay product is argon-40 how old is the rock in billions of years (109 years)?

Introductory Chemistry For Today
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Author:Seager
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Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.73E
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Torgeir is on a geology field trip and finds a meteorite that contains 10 times more argon-40 than potassium-40. The half life of potassium-40 is 1.25x109 years assume the only decay product is argon-40 how old is the rock in billions of years (10years)?

 

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