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1. Calculate the energy released by the reaction given in sample problem 12 and compare it to the energy released by the alpha decay of californium–252.

1. Calculate the energy released by the reaction given in sample problem 12 and compare it to the energy released by the alpha decay of californium–252.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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1. Calculate the energy released by the reaction given in sample problem 12 and compare it to the energy released by the alpha decay of californium–252.

25Cf → 1Xe + 19Ru +4 ¿n 108Ru + 4 on 253Cf → 28Cm + He Cm + ¿He 96 Isotope Atomic Mass (u) 252Cf 98 252.081626 140 Xe 139.92165 108RU 44 107.91017 248Cm 96 248.072349 He 4.001506
Transcribed Image Text:25Cf → 1Xe + 19Ru +4 ¿n 108Ru + 4 on 253Cf → 28Cm + He Cm + ¿He 96 Isotope Atomic Mass (u) 252Cf 98 252.081626 140 Xe 139.92165 108RU 44 107.91017 248Cm 96 248.072349 He 4.001506
Sample Problem 12 The spontaneous fission of californium-252 releases xenon-140 and i ruthenium-108. How many neutrons are released in this process? Writing the following reaction, we have 252Cf → 140Xe + 10°Ru + ? ¿n Adding the atomic numbers, we could see that the totals are balanced. For the mass numbers 252 = 140 + 108 + (x)(1) in which x is the number of neutrons. Solving for x 252 = 248 + x =x= 252 – 248 = 4 Therefore, there are four neutrons that are products of the reaction. The balanced reaction is 252Cf 108 140y 54Xe + Ru + 4 ¿n 98
Transcribed Image Text:Sample Problem 12 The spontaneous fission of californium-252 releases xenon-140 and i ruthenium-108. How many neutrons are released in this process? Writing the following reaction, we have 252Cf → 140Xe + 10°Ru + ? ¿n Adding the atomic numbers, we could see that the totals are balanced. For the mass numbers 252 = 140 + 108 + (x)(1) in which x is the number of neutrons. Solving for x 252 = 248 + x =x= 252 – 248 = 4 Therefore, there are four neutrons that are products of the reaction. The balanced reaction is 252Cf 108 140y 54Xe + Ru + 4 ¿n 98
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