51. (a) For the ﬁrst reaction
Q
1
=(
m
Ra
−
m
Pb
−
m
C
)
c
2
=
(223
.
01850 u
−
208
.
98107 u
−
14
.
00324 u)(931
.
5MeV
/
u)
=3
1
.
8MeV
,
and for the second one
Q
2
m
Ra
−
m
Rn
−
m
He
)
c
2
=
(223
.
01850 u
−
219
.
00948 u
−
4
.
00260 u)(931
.
/
u)
=5
.
98 MeV
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics

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