The hal-life of Co is 5.2 years. a) What is the decay constant for this nuclide? b) You wish to prepare a source of 19C0 that will have an activity of 10.0 Ci after 30 months of use. What initial mass of 59C0 is required?

Principles of Physics: A Calculus-Based Text
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Chapter30: Nuclear Physics
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The half-life of 9Co is 5.2 years.
2) What is the decay constant for this nuclide?
b) You wish to prepare a source of 9Co that will have an activity of 10.0 Ci after
30 months of use. What initial mass of Co is required?
Transcribed Image Text:The half-life of 9Co is 5.2 years. 2) What is the decay constant for this nuclide? b) You wish to prepare a source of 9Co that will have an activity of 10.0 Ci after 30 months of use. What initial mass of Co is required?
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