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When a neutron collides with a uranium-235 nucleus it can induce a variety of fission reactions. One such reaction is +
+
+ 2
. Given the following mass values:
, 139.921620 u;
, 93.915367 u;
, 235.043924 u;
, 1.008665 u what mass of uranium is needed to produce a 10-kiloton yield? 1 u = 1.660540 x 10-27 kg;
1 kiloton = 5.0 x 1012 J.
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