When a Neutron Collides with a Uranium-235 Nucleus It Can $^{235} _{92} U$

When a neutron collides with a uranium-235 nucleus it can induce a variety of fission reactions.One such reaction is $^{235} _{92} U$ + ${}^{1}_{0}$ n → $^{140}_{54} Xe$ + ${}^{94}_{38}$ Sr + 2 ${}^{1}_{0}$ n The following mass values are known:
$^{140}_{54} Xe$ : 139.921620 u

${}^{94}_{38}$ Sr: 93.915367 u

$^{235} _{92} U$ : 235.043924 u ${}\\^{1}_{0}n$ : 1.008665 u
How much energy is released in this reaction? (1 u = 931.5 MeV/c²)

A) 185 MeV
B) 202 MeV
C) 32.6 MeV
D) 65.7 MeV
E) 98.6 MeV

Correct Answer:

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