Set A 1. The figure below shows a fragment from the Karlsruhe nuclide table regarding a nuclide. Based on it, answer the following questions: a) How does this nuclide decay? What is the half-life and energy of radiation? Write down the main decay diagram. b) Knowing what type of radiation accompanies its decay, describe the mechanisms of interaction of this radiation with matter. c) Knowing what type of radiation accompanies its decay, write what types of diagnostic and/or therapeutic methods of nuclear medicine this nuclide is used in. Describe very briefly what this method(s) is. I 131 8.04 d ẞ 0.6; 0.8... y 364; 637: σ 0.7 284 2. In March this year, a message appeared in the media: "Westinghouse Electric Company and its project partners have confirmed that the third unit of the Vogtle nuclear power plant has reached a critical condition." Explain what this message means. Support your explanation with a concise description of the principle of operation of a nuclear reactor. it is found in the generator with 99Mo

Set A 1. The figure below shows a fragment from the Karlsruhe nuclide table regarding a nuclide. Based on it, answer the following questions: a) How does this nuclide decay? What is the half-life and energy of radiation? Write down the main decay diagram. b) Knowing what type of radiation accompanies its decay, describe the mechanisms of interaction of this radiation with matter. c) Knowing what type of radiation accompanies its decay, write what types of diagnostic and/or therapeutic methods of nuclear medicine this nuclide is used in. Describe very briefly what this method(s) is. I 131 8.04 d ẞ 0.6; 0.8... y 364; 637: σ 0.7 284 2. In March this year, a message appeared in the media: "Westinghouse Electric Company and its project partners have confirmed that the third unit of the Vogtle nuclear power plant has reached a critical condition." Explain what this message means. Support your explanation with a concise description of the principle of operation of a nuclear reactor. it is found in the generator with 99Mo

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. Which of these nuclides do you expect to be radioactive? Explain your reasoning.a. 20Ne b. tungsten-184 c. 106Ti 2. What type of particle is emitted in each nuclear reaction? 238Pu → 234U 32Si → 32P
a) Mrs. Price's son, Liam is currently working as a boilermaker at the Darlington Nuclear Power plant. He is working with Uranium-237 which has a half-life of 13.75 days. What mass of an initial sample of 567.5g of uranium-237 would remain after 56 days? b) Write the complete reaction for the decay of Po-210 if it undergoes 2 consecutive alpha decay followed by a beta decay followed by another alpha decay.
. You have 44.3 mg of the radioactive isotope 1311. How long will it take for the amount of 1311 to drop to 15.3 mg? 131 has a half-life of 8.02 days. A) 8.02 days B) 12.3 days C) 23.5 days D) 10.8 days E) 19.8 days Write a nuclear equation for the alpha decay of Am-241. A) 24 Am → He + ½/He + 233Np B) 24 Am → He + 245Bk 97 -je + 241 Cm C) 245Am → →e+ D) 241-3 Am → ₁e + 241 Pu → 94 241 95 E) 29-Am Am → → 1/1/n + În + 240 Am
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Identification and Characterization of Unstable and Stable Nuclei Nuclear stability can in general be predicted based on the following considerations: • Nuclei with 84 protons or more are unstable. • Nuclei containing a magic number of protons and/or neutrons tend to be stable. • Stable nuclei often contain even numbers of protons and/or neutrons. These factors are reflected in the given graph (Figure 1). which shows the valley of stability as a function of number of neutrons and protons. Figure Number of neutrons 110 100 90 80 70 60 50 40 30 20 10 0 0 www Belt of stability 10 1:1 neutron-to- proton ratio 20 30 40 50 60 70 80 Number of protons 1 of 1 "Magic" numbers A magic number is the name given to certain numbers of protons or neutrons that have a high correlation to stability in nuclei: magic numbers of protons: 2, 8, 20, 28, 50, 82 magic numbers of neutrons: 2, 8, 20, 28, 50, 82, 126, 184 ▼ A plot of the number of neutrons versus the number of protons for all known stable nuclei,…
Precise measurements give the following masses: nuclide mass H He 1.0078 u 4.00260 u particle 1 n 0 -19 0 ¡e Now consider the following nuclear reaction: 2H+ 2n → He Is energy released or absorbed by this reaction? 1.0086649 u 4 5.4858×10 u 5.4858× 104 u If you said energy was released or absorbed, calculate how much energy is released or absorbed. mass Give your answer in both kJ/mol and MeV. Round each of your answers to 3 significant digits. Note: take particular care to keep enough digits in any intermediate calculation, and use enough digits in any scientific constants you need, since the data with which you are working are very precise. released absorbed neither released nor absorbed O I need more information to decide. kJ/mol Mev x10
a. Write the nuclear equation for the alpha decay of ^221-81Rn. b. Write the nuclear equation for the radioactive decay of ^21-15P by positron emission. c. Imagine that you started with a 0.1 g sample of iodine-131, and now you have only 0.025 g remaining. If the half-life of iodine-131 is 8 days, how old is the sample? Write 2 - 3 sentences explaining your reasoning. d. Draw a diagram that illustrates how nuclei change during nuclear fusion. Write 2 - 3 sentences describing the process of nuclear fusion, including where it occurs and how the energy released can be harnessed for use in homes.
Balance the following nuclear reactions: a) In 1933, Irene and Frederic Curie-Juliot created the first artificial isotope by the reaction: 2713Al + 42He → 10n + . b) 24897Bk → 0-1β + .