When 235U (235.043924 amu ) captures a neutron, one set of fission products is 92Sr (91.910944 amu) and 142Xe (141.92963 amu) . Balance the reaction.
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When 235U (235.043924 amu ) captures a neutron, one set of fission products is 92Sr (91.910944...
a) Calculate the energy released in the neutron-induced fission n + 235U --> 92Kr + 142Ba + 2n given the neutron is 1.008665 u, the mass of is 235 U 235.043924 u, the mass of 92Kr is 91.926269 u, and the mass of 142Ba is 141.916361 u. b) Confirm that the total number of nucleons and total charge are conserved in this reaction. The atomic mass is 1.66053904 X 10-27 kg.
When 235U fissions, the fission products are not always the same and exactly two neutrons are not always released. An example of one fission reaction is You may want to use the following table of atomic masses: Table of masses 141Ba 140.9144 u 144Ba 143.9229 u 139Te 138.9347 u 141Cs 140.9196 u 90Kr 89.91952 u 91Kr 90.92344 u 92Kr 91.92615 u 94Zr 93.90632 u 93Rb 92.92157 u 235U 235.0439 u p 1.00728 u n 1.00867 u 1. What is the...
When 235U fissions, the fission products are not always the same and exactly two neutrons are not always released. An example of one fission reaction is You may want to use the following table of atomic masses: Table of masses 141Ba 140.9144 u 144Ba 143.9229 u 139Te 138.9347 u 141Cs 140.9196 u 90Kr 89.91952 u 91Kr 90.92344 u 92Kr 91.92615 u 94Zr 93.90632 u 93Rb 92.92157 u 235U 235.0439 u p 1.00728 u n 1.00867 u 1) What is the...
3. A fission chain reaction. a. A neutron can cause 235U to fission, producing two daughter nuclei (tin and molybdenum) and three more neutrons. These three neutrons can then, in turn, cause three more 235U nuclei to split. One typical reaction is summarized as follows: n+25131Sn + 102Mo +3 n Find the energy released in this process (in MeV), given that MC3SU) 235.0439 u; M(3Sn) 130.9169 u; M(102Mo)-101.9103 u. b. Lise Meitner's work in 1938 predicted that the fission of...
The illustration shows one possible way that a nucleus of uranium-235 (235U) can undergo neutron-induced fission. (a) Rank the following objects in order of their binding energy per nucleon, from largest to smallest. If any two objects have the same binding energy per nucleon, state this. Explain how you made your ranking. (i) The uranium-235 (235U) nucleus (ii) The tellurium-134 (134Te) nucleus (iii) The zirconium-99 (99Zr) nucleus (iv) The three neutrons Activity 27-4 [continued]. (b) Using your results from part...
3. Consider a thermal neutron induced fission in 235U that leads to production of the ission fragment 137Cs, three neutrons, and a second fission fragment. Assume the prompt gamma ray energy is negligible. (a) What is the atomic number of the second fission fragment? [10 pointsl (b) What is the mass number of the second fission fragment? [10 pointl (c) What is the Q-value for this reaction? [20 poins] (d) What is the Coulombic threshold for this reaction? 10 points...
Activity 27-4. Nuclear fission (Accompanies Section 27-4] 1 A uranium nucleus (235U) absorbs a neutron. The result is a uranium nucleus (236U) in an excited state. 3 The excited uranium nucleus fissions into two smaller, more tightly bound nuclei... ...as well as a few neutrons. These can trigger the fission of other 235U nuclei. 3 neutrons Neutron + 2350 236U 134 Te 9976 Z = 0 protons Z = 92 protons N = 1 neutron N = 143 neutrons A=Z+N...
The neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. Use the following atomic masses: U-325: 235.04392 amu neutron: 1.00866 amu Ba-140: 139.910581 amu Kr-93: 92.931130 amu If the US needs 1.42 x 1016 kJ of electrical energy every year (for 2018 the value was 1.44 x 1016 kJ), how many kg of U-235 would have to undergo fission to supply this energy? (You can assume 100% efficiency in the conversion of energy from the fission reaction...
Calculate the total energy released due to thermal fission of 235U where the fission products are 140Xe and 94Sr and two neutrons.
When U absorbs a neutron, fission occurs. One possible fission pathway is as follows: What is the missing isotope? Select one: b. 1 ва 165