[References) A rock containing 8 mg of plutonium-239 per kg of rock is found in a glacier. The half-life of plutonium-239 is 25000 years. If this rock was deposited 100000 years ago during an ice age, how much plutonium-239 per kilogram of rock was in the rock at that time? mg
[References) A rock containing 8 mg of plutonium-239 per kg of rock is found in a glacier. The half-life of plutonium-239 is 25000 years. If this rock was deposited 100000 years ago during an ice age, how much plutonium-239 per kilogram of rock was in the rock at that time? mg
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 21.54QE
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![[References]
A rock containing 8 mg of plutonium-239 per kg of rock is found in a glacier. The half-life of plutonium-239 is 25000 years. If this rock was deposited 100000 years
ago during an ice age, how much plutonium-239 per kilogram of rock was in the rock at that time?
mg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8e3ea6d-789d-4d19-b201-18215a690d22%2F602de0a9-7f35-433c-b16a-125d616f6827%2F5zdflj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[References]
A rock containing 8 mg of plutonium-239 per kg of rock is found in a glacier. The half-life of plutonium-239 is 25000 years. If this rock was deposited 100000 years
ago during an ice age, how much plutonium-239 per kilogram of rock was in the rock at that time?
mg
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