Question

Consider a fission reaction where a Uranium-235 nucleus absorbs a neutron and then splits to Strontium, Xenon, and some neutrons. If the strontium nucleus has a mass number of 89 and the Xenon nucleus has a mass number of 144, how much energy is released in a single reaction? Use the attached table for the atomic masses of the nuclei. Give your answer in MeV and with 4 significant figures. (Hint: Balance the reaction first).

Isotope Masses for Fission A Atomic mass (u) Neutron Uranium Strontium 1.008665 235.043923 86.908877 87.905612 88.907451 89.907738 90.910203 91.911038 92.914026 93.915361 94.919359 95.921697 96.926153 97.928453 98.933240 132.905910 133.905395 134.907227 135.907219 136.911562 137.913950 138.918793 139.921640 140,926650 235 87 89 90 91 92 93 94 95 96 97 98 Xenon 54 133 134 135 136 137 138 139 140 141 142 141.929710 143 144 145 146 142.935110 143.938510 144.944070 145.947750

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Answer #1

e Giivexn M(N) 89 89 (68.4575 мс.

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