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Calculate the energy (MeV) liberated in the decay of U-238 to produce Th-234 if the mass of U-238 = 238.050786 amu, Th-234 = 234,043583 amu, and He-4 = 4.002603 amu. If 40 grams of 90Th-234 produced from the decay of U-238 decays, it emits -rays and - rays with a half-life of 24 days. Determine the radionuclide X formed in this decay, and also calculate how many moles of 90Th-234 remain after 96 days of standing.

Calculate the energy (MeV) liberated in the decay of U-238 to produce Th-234 if the mass of U-238 = 238.050786 amu, Th-234 = 234,043583 amu, and He-4 = 4.002603 amu. If 40 grams of 90Th-234 produced from the decay of U-238 decays, it emits -rays and - rays with a half-life of 24 days. Determine the radionuclide X formed in this decay, and also calculate how many moles of 90Th-234 remain after 96 days of standing.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
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
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Calculate the energy (MeV) liberated in the decay of U-238 to produce Th-234 if the mass of U-238 = 238.050786 amu, Th-234 = 234,043583 amu, and He-4 = 4.002603 amu. If 40 grams of 90Th-234 produced from the decay of U-238 decays, it emits -rays and - rays with a half-life of 24 days. Determine the radionuclide X formed in this decay, and also calculate how many moles of 90Th-234 remain after 96 days of standing.
Transcribed Image Text:Calculate the energy (MeV) liberated in the decay of U-238 to produce Th-234 if the mass of U-238 = 238.050786 amu, Th-234 = 234,043583 amu, and He-4 = 4.002603 amu. If 40 grams of 90Th-234 produced from the decay of U-238 decays, it emits -rays and - rays with a half-life of 24 days. Determine the radionuclide X formed in this decay, and also calculate how many moles of 90Th-234 remain after 96 days of standing.
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