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(a) Write the complete $\beta^{-}$ decay equation for $^{90} \mathrm{Sr},$ a major waste product of nuclear reactors. (b) Find the energy released in the decay.

a) $_{38}^{90} \mathrm{Sr}_{52} \rightarrow_{39}^{90} \mathrm{Y}_{51}+\beta^{-1}+\overline{v_{e}}$b) 0.546 $\mathrm{MeV}$

Physics 103

Chapter 31

Radioactivity and Nuclear Physics

Nuclear Physics

Cornell University

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

Simon Fraser University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

03:50

(a) Write the complete $\b…

04:57

(a) Write the complete $\a…

03:03

01:05

Write complete nuclear equ…

02:28

03:56

Write a balanced nuclear e…

02:02

$^{249} \mathrm{Cf}$ under…

01:40

Write an equation describi…

01:14

Write the complete decay e…

07:11

(a) Calculate the energy r…

01:34

Write balanced nuclear equ…

01:24

Write the complete nuclear…

01:08

07:10

Write nuclear equations to…

05:30

03:05

04:30

01:09

Each of the following nucl…

01:07

01:25

Write the balanced nuclear…

part off the problem we have this are that the case s r 62 um, 90 metal mask, then 38 year decays into why 19? 90 of 39 in 61 possible. So this is a party. But we were asked to find Ah, the energy than energy can be found by multiplying adult time changing moss time. Speed of light square. So the change in mass we here for this decay is Ah, Marcel. Fists are, which is 89 0.97 soon 77 minus minus mask for Wally, that is. And 89.9 071 of plus, um, the the muscles, the better. Refugees 0.0 three zeros followed, then 54 Ah, Then here we have 85 feet eight, then some. Tricking these numbers gives us the 5 12 times 10 to the power minus you atomic mass units. You and energy will be thes numbers this number time, Uh, again the nine three, $1.5 million for the world and this Use us the final result meters zero zero for seven seven Mega withdrawn. So this amount of energy is released them in the chemical reaction. End off the problem. Thank you for watching

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