The half-life of a radiotracer is 3 hr. (i) Determine the decay constant of the radiotracer, (ii) how long does it take for the radiotracer to decay from the initial radioactivity of 1 Ci to the final radioactivity of 1 mCi?
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The half-life of a radiotracer is 3 hr. (i) Determine the decay constant of
the radiotracer, (ii) how long does it take for the radiotracer to decay from the initial radioactivity of 1 Ci to the final radioactivity of 1 mCi?
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- In the figure below, note that for low Z, all the nucleii with the most highest binding energy per nucleon have both an even number of protons and an even number of neutrons. Explain why this is. 9 soFe 9%Mo 160 8. 144N. 183W He 20sPb "Be 235U 6. Fusion reactions release energy Fission reactions release energy 1 40 80 120 160 200 240 Atomic Mass Number (A) Use the editor to format your answer E (MeV)The decay constant for 198Au is 2.97 x 10-6 s-1. Suppose we had a 1.00-ug sample of 198Au. What is its activity?The half life of 60Co is 5.7 years. Find the activity of 2.54 milligram of 60Co. Give your answer in decays/second (Bq) Round your answer to 3 significant figures. Add your answer
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