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Strontium-90 is one of the most hazardous products of atomic weapons testing because of its long half-life (t1/2 = 28.1 years) and its tendency to accumulate in bone.(a) Write nuclear equations for the decay of 90Sr via the successive                   emission of two electrons (beta particles).(b) The atomic mass of 90Sr is 89.9073 u and that of 90Zr is 89.9043 u.               Calculate the energy released per 90Sr atom, in MeV, in decaying to  90Zr.(c) What will be the initial activity of 1.00 g of 90Sr released into the                    environment, in disintegrations per second?(d) What activity will the material from part (c) show after 100 years?

Strontium-90 is one of the most hazardous products of atomic weapons testing because of its long half-life (t1/2 = 28.1 years) and its tendency to accumulate in bone.(a) Write nuclear equations for the decay of 90Sr via the successive                   emission of two electrons (beta particles).(b) The atomic mass of 90Sr is 89.9073 u and that of 90Zr is 89.9043 u.               Calculate the energy released per 90Sr atom, in MeV, in decaying to  90Zr.(c) What will be the initial activity of 1.00 g of 90Sr released into the                    environment, in disintegrations per second?(d) What activity will the material from part (c) show after 100 years?

Chemistry
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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Strontium-90 is one of the most hazardous products of atomic weapons testing because of its long half-life (t1/2 = 28.1 years) and its tendency to accumulate in bone.
(a) Write nuclear equations for the decay of 90Sr via the successive                   emission of two electrons (beta particles).
(b) The atomic mass of 90Sr is 89.9073 u and that of 90Zr is 89.9043 u.               Calculate the energy released per 90Sr atom, in MeV, in decaying to  90Zr.
(c) What will be the initial activity of 1.00 g of 90Sr released into the                    environment, in disintegrations per second?
(d) What activity will the material from part (c) show after 100 years?

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