When a neutron (n) collides with a uranium-235 nucleus it can induce a variety of fission reactions. one such reaction is u + n → xe + sr + 2n. how much energy is released in this reaction, given the following mass values: xe: 139.921620 u sr : 93.915367 u u: 235.043924 u n: 1.008665 u (1 u = 931.494 mev/c2)

Explanation:

Since, the given reaction is

Sum of masses on both reactant and product side is as follows.

           235.043924 + 1.008665 = 139.921620 + 93.915367 + (2 × 1.008665)

                            = 0.198272 u

As it is known that relation between energy and mass is as follows.

                   Energy produced =

Since, 1 u = 931.494 MeV/. Putting this value into the above formula as follows.

                   Energy produced =

                                                  =

                                                   = 184.69 MeV

As 1 MeV equals joules.

Hence, 184.69 MeV will be converted into joules as follows.

                  = J

                  = J

Thus, we can conclude that energy released in this reaction is J.              

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