An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 10, Problem 12MC
To determine
Appropriate procedure to decrease the heat output of a fission reactor core during a crisis.
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Chapter 10 Solutions
An Introduction to Physical Science
Ch. 10.1 - What original elements did Aristotle think...Ch. 10.1 - Prob. 2PQCh. 10.2 - Prob. 1PQCh. 10.2 - Prob. 2PQCh. 10.2 - Prob. 10.1CECh. 10.3 - Prob. 1PQCh. 10.3 - Prob. 2PQCh. 10.3 - Prob. 10.2CECh. 10.3 - Prob. 10.3CECh. 10.3 - Prob. 10.4CE
Ch. 10.3 - Prob. 10.5CECh. 10.3 - Prob. 10.6CECh. 10.4 - What quantities are conserved in nuclear...Ch. 10.4 - Prob. 2PQCh. 10.4 - Prob. 10.7CECh. 10.5 - Prob. 1PQCh. 10.5 - Prob. 2PQCh. 10.5 - Prob. 10.8CECh. 10.6 - Where does nuclear fusion occur naturally?Ch. 10.6 - Prob. 2PQCh. 10.6 - Prob. 10.9CECh. 10.7 - Prob. 1PQCh. 10.7 - Prob. 2PQCh. 10.8 - Prob. 1PQCh. 10.8 - Prob. 2PQCh. 10 - Prob. AMCh. 10 - Prob. BMCh. 10 - Prob. CMCh. 10 - Prob. DMCh. 10 - Prob. EMCh. 10 - Prob. FMCh. 10 - Prob. GMCh. 10 - Prob. HMCh. 10 - Prob. IMCh. 10 - Prob. JMCh. 10 - Prob. KMCh. 10 - Prob. LMCh. 10 - Prob. MMCh. 10 - Prob. NMCh. 10 - Prob. OMCh. 10 - Prob. PMCh. 10 - Prob. QMCh. 10 - Prob. RMCh. 10 - Prob. SMCh. 10 - Prob. TMCh. 10 - Prob. UMCh. 10 - Prob. VMCh. 10 - Prob. WMCh. 10 - Prob. XMCh. 10 - Prob. YMCh. 10 - Prob. ZMCh. 10 - Prob. 1MCCh. 10 - Prob. 2MCCh. 10 - Prob. 3MCCh. 10 - Prob. 4MCCh. 10 - Which radioactive decay mode does not result in a...Ch. 10 - Prob. 6MCCh. 10 - Prob. 7MCCh. 10 - Prob. 8MCCh. 10 - How many half-lives would it take for a sample of...Ch. 10 - Which of the following is not conserved in all...Ch. 10 - Prob. 11MCCh. 10 - Prob. 12MCCh. 10 - Prob. 13MCCh. 10 - Which unit is most closely associated with the...Ch. 10 - Prob. 15MCCh. 10 - Prob. 1FIBCh. 10 - Prob. 2FIBCh. 10 - The collective name for neutrons and protons in a...Ch. 10 - Prob. 4FIBCh. 10 - No stable nuclides exist that have Z greater than...Ch. 10 - Prob. 6FIBCh. 10 - The amount of a radioactive isotope will have...Ch. 10 - Prob. 8FIBCh. 10 - Prob. 9FIBCh. 10 - For an atomic bomb to explode, a(n) ____ mass is...Ch. 10 - In discussions of nuclear fusion reactions, the...Ch. 10 - Prob. 12FIBCh. 10 - Prob. 1SACh. 10 - Prob. 2SACh. 10 - Prob. 3SACh. 10 - Prob. 4SACh. 10 - Prob. 5SACh. 10 - What evidence is there to support the idea that...Ch. 10 - Prob. 7SACh. 10 - Prob. 8SACh. 10 - Prob. 9SACh. 10 - Prob. 10SACh. 10 - Prob. 11SACh. 10 - Prob. 12SACh. 10 - Prob. 13SACh. 10 - Prob. 14SACh. 10 - Prob. 15SACh. 10 - Prob. 16SACh. 10 - Prob. 17SACh. 10 - After three half-lives have gone by, what fraction...Ch. 10 - Prob. 19SACh. 10 - Prob. 20SACh. 10 - Prob. 21SACh. 10 - Prob. 22SACh. 10 - Prob. 23SACh. 10 - Prob. 24SACh. 10 - Prob. 25SACh. 10 - Prob. 26SACh. 10 - Prob. 27SACh. 10 - Prob. 28SACh. 10 - Prob. 29SACh. 10 - Prob. 30SACh. 10 - Prob. 31SACh. 10 - Prob. 32SACh. 10 - Prob. 33SACh. 10 - Prob. 34SACh. 10 - Prob. 35SACh. 10 - Prob. 36SACh. 10 - Prob. 37SACh. 10 - Prob. 38SACh. 10 - Prob. 39SACh. 10 - Prob. 40SACh. 10 - Prob. 41SACh. 10 - Prob. 42SACh. 10 - Visualize the connections and give the nuclear...Ch. 10 - Prob. 1AYKCh. 10 - The technique of carbon-14 dating relies on the...Ch. 10 - Prob. 3AYKCh. 10 - Prob. 4AYKCh. 10 - Prob. 5AYKCh. 10 - Fill in the nine gaps in this table.Ch. 10 - Fill in the nine gaps in this table.Ch. 10 - Prob. 3ECh. 10 - Prob. 4ECh. 10 - Prob. 5ECh. 10 - Prob. 6ECh. 10 - Prob. 7ECh. 10 - Actinium-225 (89225Ac) undergoes alpha decay. (a)...Ch. 10 - Prob. 9ECh. 10 - Prob. 10ECh. 10 - Prob. 11ECh. 10 - Prob. 12ECh. 10 - Prob. 13ECh. 10 - Prob. 14ECh. 10 - Prob. 15ECh. 10 - Prob. 16ECh. 10 - Prob. 17ECh. 10 - What is the half-life of thallium-206 if the...Ch. 10 - Use the graph in Fig. 10.24 to find the half-life...Ch. 10 - Prob. 20ECh. 10 - Prob. 21ECh. 10 - Prob. 22ECh. 10 - Prob. 23ECh. 10 - Prob. 24ECh. 10 - Prob. 25ECh. 10 - Prob. 26ECh. 10 - Prob. 27ECh. 10 - Prob. 28E
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- In considering potential fusion reactions, what is the advantage of the reaction 2H+3H4He+n over the reaction 2H+2H3He+n ?arrow_forwardHow can a nuclear reactor contain many critical masses and not go supercritical? What methods are used to control the fission in the reactor?arrow_forwardExplain the process of the regulation of energy in a nuclear reactor and how mis-regulation can led to a meltdown of the reactor core.arrow_forward
- As explained in the previous section, if you want to have a nuclear reaction chain starting into your reactor, you need to enrich the uranium to have more uranium 235 available. It is assumed that you need to have about 4% of uranium 235 in order to maintain the reaction chain and to produce enough neutrons. Those neutrons are, however, too energetic to induce another fission reaction, it is needed first to reduce their energy. In most reactors, this is the role of the water located inside. 1) Explain how the energy is stored inside the neutrons 2) How can the water reduce this energy? 3) Is the water the only thing able to act as moderator? 4) What is the effect of the moderator on the cross-section of the atoms of uranium 235?arrow_forwardIn order to have the fission reaction to start a nuclear reactor, you need to be able to produce as many neutrons needed in order to maintain the reaction stable during the time. If you have too few fissions, then there will be a lack of neutrons and this will turn off the reaction chain. If you have too many fissions, then there will be an excess of neutrons, and you will end up with a Chernobyl-like issue. This is called the criticality of the reactor. Hence, you need to compute the exact amount of fuel to put inside your reactor, in order to maintain the reaction chain. Such a calculus of criticality is very complex, and out of reach for this class. It is, however, possible to estimate it, with the Oklo reactor. The Oklo reactor is located near Franceville, in Gabon. It is the only natural nuclear reactor known so far. At some point in history, what would become the mining pit of Oklo was a place containing a lot of uranium and water, which acted as a moderator, hence allowing the…arrow_forwardThe following explanation of a fission reactor contains many errors. Please correct as many as you can find. You may copy the whole text out while correcting the errors; in that case please underline what you have changed. You may prefer to use conventional instructions to printers, of the form, para 1 line 1 for ”harnessing” read ”exploiting”, which would cause thetexttoread”. . . byexploitingtheenergy. . . ” A nuclear fission reactor fuelled by uranium operates by harnessing the energy released during the fusing (fission) of uranium atoms into three or four lighter nuclei with less bind- ing energy. Uranium-238 (U-238) is the fissile isotope used. Fission is triggered when the U238 is bombarded by neutrinos, which are absorbed by the orbiting electrons. When a U-235 nucleus undergoes fission, it releases several neutrinos. If these neutrinos are ab- sorbed by other U-235 nuclei, they undergo fission, releasing more neutrinos. This process continues in a chain reaction, giving a…arrow_forward
- The Canadian CANDU reactor uses natural uranium, with the moderator consisting of heavy water (deuterium oxide). If the moderator were removed, what would happen to the uranium in the reactor? Nothing. The reactor would continue to run normally. The fission reactions would stop. The reactor would blow up like an atomic bomb.arrow_forwardQuestion 9 Why is a moderator required in a thermal nuclear reactor core? A To prevent overheating of the fuel rods. B To absorb surplus neutrons. C To shield the surrounding area from dangerous gamma radiation. To reduce the kinetic energy of thermal neutrons.arrow_forwardQuestion 04 The moderator temperature coefficient for a reactor is -8.2 pcm/ F. Calculate the reactivity defect that results from a temperature decrease of 5° F. Px = (Ax)(ax)arrow_forward
- One idea of fuelling an internal confinement fusion reactor is to use deuterium-tritium (D- T) pellets. Calculate how many 1 mg pellets of D-T material per second would be required for a 500 MVW reactor if 30 % of the material in each pellet were converted in internal confinement fusion.arrow_forwardExplain the benefits and hazards of using fusion versus fission reactors as a source of alternative energy.arrow_forwardDescribe what you understand by dynamical instability of a nucleus. Define packing fraction f and draw a curve showing how f varies with the mass number A of a nucleus. Discuss how the value of f determines whether a nucleus A would be unstable against fission into A₁ and A2.arrow_forward
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