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44. We have one alpha particle (helium nucleus) produced for every plutonium nucleus
that decays. To find the number that have decayed, we use Eq. 4215, Eq. 4218, and
adapt Eq. 4221:
NN
N
e
N
e
tT
A
00
2
20000
2 24100
1
12 0
239
1
12
−=
−
=
−
−
−
ln /
ln /
/
.
di
c
h
g / mol
g/mol
where
N
A
is the Avogadro constant. This yields 1.32
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 Spring '08
 Any
 Physics

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