chm1046 extra credit 1

chm1046 extra credit 1 - CHM 1046: Extra Credit for Exam 1...

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Unformatted text preview: CHM 1046: Extra Credit for Exam 1 Read Sections 19.1 and 19.3 from your Zumdahl textbook (18.1 and 18.3 if you have an earlier edition of the textbook) then answer the questions below: 1. In the following nuclear equations, identify the missing product: U 4He + _____ 92 2 235 1 U + n 139I + 2 1n + _____ 92 0 53 0 2. Electron capture transforms 40K into what nuclide? 19 3. Which nuclear process(es) decrease the atomic number by 1? 4. What is the “zone of stability”? a. How are nuclides with too many neutrons most likely to decay? b. How are nuclides with too few neutrons most likely to decay? 5. Breeder reactors are used to convert the nonfissionable nuclide 238U to a fissionable product. 92 238 Neutron capture of the U is followed by 2 successive beta decays. What is the final fissionable 92 product? 6. When the U‐235 nucleus is struck with a neutron, the Zn‐72 and Sm‐160 nuclei are produced along with some neutrons. How many neutrons are emitted? 238 ...
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