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1. Plutonium – 236 is an alpha emitter with a half-life of 2.86 years. If a sample initially contains 2.56 mg. of Pu-236, what mass of Pu-236 is present after 7 years?

1. Plutonium – 236 is an alpha emitter with a half-life of 2.86 years. If a sample initially contains 2.56 mg. of Pu-236, what mass of Pu-236 is present after 7 years?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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1. Plutonium – 236 is an alpha emitter with a half-life of 2.86 years. If a sample initially contains 2.56 mg. of Pu-236, what mass of Pu-236 is present after 7 years? 2. How long will the 2.56 mg of Pu-236 decay to 0.200 mg?
Transcribed Image Text:1. Plutonium – 236 is an alpha emitter with a half-life of 2.86 years. If a sample initially contains 2.56 mg. of Pu-236, what mass of Pu-236 is present after 7 years? 2. How long will the 2.56 mg of Pu-236 decay to 0.200 mg?
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