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thorium-229 is used in cancer treatment

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thorium-229 is used in cancer treatment. it has a haft-life of 7340 years.A) what type of radioactive decay would you expect thorium-229 to undergo? explains your answer

B) balanced nuclear reaction for the decay that you predicted in part a

C) suppose a patient is given 15.0 ug of Th-229 for cancer treatment. what is the activity of this Th-229 in Ci?

D) if the patient in part C) weighs 65kg what does of radiation do they receive (in rem) from the Th-229 over the course of one day? assume that each decay event produces 8.01x10^-13J of energy and that the R.B.E is 20