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In a nuclear fission reaction a heavy nucleus divides to form smaller nuclei and one or more neutrons. Many nuclei can undergo fission, but the fission reactions of uranium-235 and plutonium-239 are the principal ones that generate energy in nuclear power plants. This problem deals with balancing the fission reaction of the uranium-235 isotope as it undergoes bombardment from a neutron. Part A When a 235 U nucleus is bombarded by neutrons (n) it undergoes a fission reaction, resulting in the formation of two new nuclei and neutrons. The following equation is an example of one such fission process: 2U+n+Ba+ Kr +3n Enter the isotope symbol for the barium (Ba) nucleus in this reaction. Express your answer as an isotope. ► View Available Hint(s) _ | ΑΣΦ A chemical reaction does not occur for this question. Submit Part B ? In another process in which 235 U undergoes neutron bombardment, the following reaction occurs: 25U+nSr +54 Xe + 3n Enter the isotope symbol for the strontium (Sr) nucleus in this reaction. Express your answer as an isotope. ►View Available Hint(s) °= | ΑΣΦ ? A chemical reaction does not occur for this question.

In a nuclear fission reaction a heavy nucleus divides to form smaller nuclei and one or more neutrons. Many nuclei can undergo fission, but the fission reactions of uranium-235 and plutonium-239 are the principal ones that generate energy in nuclear power plants. This problem deals with balancing the fission reaction of the uranium-235 isotope as it undergoes bombardment from a neutron. Part A When a 235 U nucleus is bombarded by neutrons (n) it undergoes a fission reaction, resulting in the formation of two new nuclei and neutrons. The following equation is an example of one such fission process: 2U+n+Ba+ Kr +3n Enter the isotope symbol for the barium (Ba) nucleus in this reaction. Express your answer as an isotope. ► View Available Hint(s) _ | ΑΣΦ A chemical reaction does not occur for this question. Submit Part B ? In another process in which 235 U undergoes neutron bombardment, the following reaction occurs: 25U+nSr +54 Xe + 3n Enter the isotope symbol for the strontium (Sr) nucleus in this reaction. Express your answer as an isotope. ►View Available Hint(s) °= | ΑΣΦ ? A chemical reaction does not occur for this question.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section: Chapter Questions
Problem 51GQ
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In a nuclear fission reaction a heavy nucleus divides to form smaller nuclei and one or more neutrons. Many nuclei can undergo fission, but the fission reactions of uranium-235 and plutonium-239 are the principal ones that generate energy in nuclear power plants. This problem deals with balancing the fission reaction of the uranium-235 isotope as it undergoes bombardment from a neutron. Part A When a 23 U nucleus is bombarded by neutrons (n) it undergoes a fission reaction, resulting in the formation of two new nuclei and neutrons. The following equation is an example of one such fission process: 25 U+ n-Ba +36 Kr + 3n Enter the isotope symbol for the barium (Ba) nucleus in this reaction. Express your answer as an isotope. ▸ View Available Hint(s) °= | ΑΣΦ A chemical reaction does not occur for this question. Submit Part B ? In another process in which 225U undergoes neutron bombardment, the following reaction occurs: 3U+ồn—£Sr+33 Xe+3ần Enter the isotope symbol for the strontium (Sr) nucleus in this reaction. Express your answer as an isotope. ►View Available Hint(s) — | ΑΣΦ Submit ? A chemical reaction does not occur for this question.
Transcribed Image Text:In a nuclear fission reaction a heavy nucleus divides to form smaller nuclei and one or more neutrons. Many nuclei can undergo fission, but the fission reactions of uranium-235 and plutonium-239 are the principal ones that generate energy in nuclear power plants. This problem deals with balancing the fission reaction of the uranium-235 isotope as it undergoes bombardment from a neutron. Part A When a 23 U nucleus is bombarded by neutrons (n) it undergoes a fission reaction, resulting in the formation of two new nuclei and neutrons. The following equation is an example of one such fission process: 25 U+ n-Ba +36 Kr + 3n Enter the isotope symbol for the barium (Ba) nucleus in this reaction. Express your answer as an isotope. ▸ View Available Hint(s) °= | ΑΣΦ A chemical reaction does not occur for this question. Submit Part B ? In another process in which 225U undergoes neutron bombardment, the following reaction occurs: 3U+ồn—£Sr+33 Xe+3ần Enter the isotope symbol for the strontium (Sr) nucleus in this reaction. Express your answer as an isotope. ►View Available Hint(s) — | ΑΣΦ Submit ? A chemical reaction does not occur for this question.
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