. Plutonium-239 is the fissionable isotope produced in breeder reactors; it is also produced in ordinary nuclear plants and in weapons tests. It is an extremely poisonous substance with a half-life of 24,100 years.(a) Write an equation for the decay of 239Pu via alpha emission.(b) The atomic mass of 239Pu is 239.05216 u and that of 235U is 235.04393 u. Calculate the energy released per 239Pu atom, in MeV, in decaying via alpha emission.(c) What will be the initial activity, in disintegrations per second, of 1.00 g of 239Pu buried in a disposal site for radioactive wastes?(d) What activity will the material from part (c) showafter 100,000 years?

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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. Plutonium-239 is the fissionable isotope produced in breeder reactors; it is also produced in ordinary nuclear plants and in weapons tests. It is an extremely poisonous substance with a half-life of 24,100 years.
(a) Write an equation for the decay of ²³⁹Pu via alpha emission.
(b) The atomic mass of ²³⁹Pu is 239.05216 u and that of ²³⁵U is 235.04393 u. Calculate the energy released per²³⁹Pu atom, in MeV, in decaying via alpha emission.
(c) What will be the initial activity, in disintegrations per second, of 1.00 g of²³⁹Pu buried in a disposal site for radioactive wastes?
(d) What activity will the material from part (c) show
after 100,000 years?

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