7. Californium-251 was synthesized at the University of California in 1950. At the time of sampling, a 0.632 g of Californium-251 had an activity of 3.72 Ci. a) Write the nuclear equation for the decay of Californium-251 and determine which particle is emitted when Californium-251 decays to Curium-227 b) What is the decay rate of Californium-251? c) What is the decay constant of Californium-251?
7. Californium-251 was synthesized at the University of California in 1950. At the time of sampling, a 0.632 g of Californium-251 had an activity of 3.72 Ci. a) Write the nuclear equation for the decay of Californium-251 and determine which particle is emitted when Californium-251 decays to Curium-227 b) What is the decay rate of Californium-251? c) What is the decay constant of Californium-251?
General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter20: Nuclear Chemistry
Section: Chapter Questions
Problem 20.114QP
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Transcribed Image Text:7. Californium-251 was synthesized at the University of California in 1950. At the time of sampling, a 0.632 g
of Californium-251 had an activity of 3.72 Ci.
a) Write the nuclear equation for the decay of Californium-251 and determine which particle is emitted when
Californium-251 decays to Curium-227
b) What is the decay rate of Californium-251?
c) What is the decay constant of Californium-251?
d) What is the half-life of Californium-251?
e) What fraction of the Californium-251 nuclei would remain un-decayed after 500 years (FYI...500 years =
2.63x108 minutes)?
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