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4. The following reaction occurs on the su He+ He→Be Hew much emengy is eleased

4. The following reaction occurs on the su He+ He→Be Hew much emengy is eleased

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Can you answer number 4?
4. The following reaction occurs ont He+ He→¿B< #mch megy iselease 5. Potassium-40 undergoes both and decay. Determine the dughter mucleus in cach case. 6. If 120 mCi of radicactive Gold-198 with half-life 27 days is administered te a patient r radiation therapy, what is the Gold-198 activity 3 weeks later if none is dliminated fiom the body by biological means? - 7. The decay rate of “C from a bone uncovered at a burial site is 126 daysimin, wherease decay rate from a fresh bone of the same mass is 1610 decaysimin. Appronimately how old i the uncovered bone? &. Calculate the dose caused by a 70-mrad absorbed dese of the following types of radiation ja x-rays (b) beta rays (c) protons (d) a particles and (e) heavy ions.
Transcribed Image Text:4. The following reaction occurs ont He+ He→¿B< #mch megy iselease 5. Potassium-40 undergoes both and decay. Determine the dughter mucleus in cach case. 6. If 120 mCi of radicactive Gold-198 with half-life 27 days is administered te a patient r radiation therapy, what is the Gold-198 activity 3 weeks later if none is dliminated fiom the body by biological means? - 7. The decay rate of “C from a bone uncovered at a burial site is 126 daysimin, wherease decay rate from a fresh bone of the same mass is 1610 decaysimin. Appronimately how old i the uncovered bone? &. Calculate the dose caused by a 70-mrad absorbed dese of the following types of radiation ja x-rays (b) beta rays (c) protons (d) a particles and (e) heavy ions.
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