Engineering, 04.12.2019 02:31, abdirahmansoloman
Many radioisotopes have important industrial, medical, and research applications. one of these is 60co, which has a half-life of 5.20 years and decays by the emission of a beta particle (energy 0.310 mev) and two gamma photons (energies 1.17 mev and 1.33 mev). a scientist wishes to prepare a 60co sealed source that will have an activity of at least 13.7 ci after 24.0 months of use. if the activity is 16.0 ci, how many 60co atoms are in the source?
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Many radioisotopes have important industrial, medical, and research applications. one of these is 60...
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