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863. Problem 55.9 (RHK)
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decays by alpha emission with a half-life of
.
It also decays (rarely) by spontaneous fission, and if
the alpha decay did not occur, its half-life due to this process alone
would be
. (a)
We have to find the rate with which spontaneous fission decays occur in 1.00
g of
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Solution: Click For PDF Version The half-life of
The half-life of
The disintegration constant for spontaneous fission will therefore be
Number of
The rate of spontaneous fissions in 1.00 g of
Therefore, one spontaneous fission event will take place in
The rate of alpha emission in 1.00 g of
The number of alpha decays that will take place in 1.00 g of pure
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