EAS1601_Sample_Exam2_B

EAS1601_Sample_Exam2_B - EAS 1601 Exam 2, Sample B This is...

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EAS 1601 Exam 2, Sample B This is a sample exam. There is the possibility that the answers here are not correct. Make sure that you carefully determine the correct answers yourself. Although you will be given a formula sheet for the actual exam, all formulae and constants you need for studying are available in your lecture notes.
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NAME: ANSWER KEY – UNBOLDED TEST LAB SECTION:_________________________ 1. The nuclide chart below shows the 238 U decay series. In the first 4 steps of that series 238 U decays into 230 Th. The first step can be written as: 238 92 U Æ 234 90 Th + 4 2 He Write down similar equations to describe the next three steps. 234 90 Th Æ 234 91 Pa + 0 -1 e 234 91 Pa Æ 234 92 U + 0 -1 e 234 92 U Æ 230 90 Th + 4 2 He 2. Does the decay of 238 U to 206 Pb depicted in the above chart result in: energy release, energy absorption, or no energy change? Releases Energy
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NAME: ANSWER KEY – UNBOLDED TEST LAB SECTION:_________________________ 3. To answer this question you may want to use the nuclide chart below. 72
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EAS1601_Sample_Exam2_B - EAS 1601 Exam 2, Sample B This is...

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