Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 11, Problem 23Q
To determine
To Describe: The way, a nucleus of Uranium-235 be induced to nuclear fission and what happens to the nucleus.
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The 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…
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I asked this question once and the answer returned was correct, but I couldn't follow the work so I'm hoping you can write it more clearly:
A proposed nuclear reactor facility will have an electrical power output of 805 MW with a 30.2% efficiency in converting nuclear to electrical power. Assuming the average fission reaction produces 227 MeV, how many reactions will take place at the facility every second?
Chapter 11 Solutions
Inquiry into Physics
Ch. 11 - Prob. 1MACh. 11 - Prob. 1PIPCh. 11 - Prob. 2PIPCh. 11 - Prob. 1MIOCh. 11 - Prob. 1QCh. 11 - Prob. 2QCh. 11 - Prob. 3QCh. 11 - Prob. 4QCh. 11 - Prob. 5QCh. 11 - Prob. 6Q
Ch. 11 - Prob. 7QCh. 11 - Prob. 8QCh. 11 - Prob. 9QCh. 11 - Prob. 10QCh. 11 - Prob. 11QCh. 11 - Prob. 12QCh. 11 - Prob. 13QCh. 11 - Prob. 14QCh. 11 - Prob. 15QCh. 11 - Prob. 16QCh. 11 - Prob. 17QCh. 11 - Prob. 18QCh. 11 - Prob. 19QCh. 11 - Prob. 20QCh. 11 - Prob. 21QCh. 11 - Prob. 22QCh. 11 - Prob. 23QCh. 11 - Prob. 24QCh. 11 - Prob. 25QCh. 11 - Prob. 26QCh. 11 - Prob. 27QCh. 11 - Prob. 28QCh. 11 - Prob. 29QCh. 11 - Prob. 30QCh. 11 - Prob. 31QCh. 11 - Prob. 32QCh. 11 - Prob. 33QCh. 11 - Determine the nuclear composition (number of...Ch. 11 - The isotope helium-6 undergoes beta decay. Write...Ch. 11 - Prob. 3PCh. 11 - A nucleus of oxygen-15 undergoes electron capture....Ch. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - . A Geiger counter registers a count rate of 4,000...Ch. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 1CCh. 11 - Prob. 2CCh. 11 - Prob. 3CCh. 11 - Prob. 4CCh. 11 - Prob. 5CCh. 11 - Prob. 6CCh. 11 - Prob. 7C
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- a. To release 100 MW of power, approximately how many uranium fissions must occur every second? b. How many kilograms of U-235 would have to fission in 1yr to sustain a rate of 100 MW of power output?arrow_forward2. If a reactor produces an average power of 1000 MW for a year,a. How much U-235 is used up assuming 200 MeV are released per fission and the efficiency is 33.3%? b. Also, how much mass is turned into energy? Clearly show all your work and reasoning.arrow_forwardPls help on allarrow_forward
- When a star has exhausted its hydrogen fuel, it may fuse other nuclear fuels. At temperatures above 1.0 x 10° K, helium fusion can occur. Write the equation for the following processes. (a) Two alpha particles fuse to produce a nucleus A and a gamma ray. What is nucleus A? (Enter the mass number in the first raised box, the atomic number in the second lower box, and the element, with charge if necessary, in the third box.) (b) Nucleus A absorbs an alpha particle to produce a nucleus "B" and a gamma ray. What is nucleus B? (Enter your answer using the same format as above.) (c) Find the total energy (Q) released in the reactions given in parts (a) and (b). Note: the mass of 4 = 8.005 305u. MeVarrow_forwardHello again. I have a final exam and there are 7 questions. I could not do. I asked my first question and I taked its answer. Then I ask you second question . This question is bonded the first question. This first question that is answered. The mass difference between two isotopes is sometimes just a neutron mass. The spectrometer should separate them very well. For such an isotope combination, the difference in radius should be around 1 cm. That is r2 - r1 = 1 cm. In order to achieve this, choose a magnetic field with a magnitude in Tesla (maximum magnetic field you can obtain from a conventional magnet is around 2.5 T so be far away from this value) and choose the direction also. Then determine the velocity of isotope you need. Last calculate radius r of a Pb204 ^(-) smallest isotope. And this is my second question In order to produce this magnetic field, determine the current and number of turns, radius and other parameters of a solenoid you need. Also show how you will position…arrow_forwardDemonstrate your nuclear reaction balancing skills by answering the following three scenarios. You will fill the first nine blanks with either an integer numeral (1-3 digits), or the chemical symbol for an element (1-2 letters). For example, Curium has the chemical symbol Cm, and its most stable isotope has mass number A=247 and atomic number Z-96. (These are not answers to this question.) a) Identify the unknown daughter nucleus (?) in the following reaction: 1 ¹235U + ¼n → ¹3¹1 + (?) + 3 (√n) 92 53 Enter the mass number A = Enter the atomic number Z = Enter the chemical symbol: A Narrow_forward
- Computer Typed please. NO HAND WRITTING.arrow_forwardHello please someone help me answer this problem set, thank you! Part A: A particular smoke detector contains 1.05 μCi of 241Am241Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass of 241 Am in grams in the detector. Express your answer numerically in grams. Part B: Fears of radiation exposure from normal use of such detectors are largely unfounded. Identify reasons why 241 Am smoke detectors are perfectly safe. Select all that apply a. The penetrating power of αα radiation is limited. b. Ions get trapped by electrodes. c. The amount of americium is very little. d. The number of αα particles leaving the case is low. e. The detector has a plastic cover. f. The detector is housed in an aluminum case.arrow_forwardIf a reactor produces an average power of 1000 MW for a year, a. How much U-235 is used up assuming 200 MeV are released per fission and the efficiency is 33.3%? b. Also, how much mass is turned into energy?arrow_forward
- Please answer the question below. any idea will help.arrow_forwardHello again. I have a final exam and there are 7 questions. I could not do. I asked my first question and I taked its answer. Then I ask you third question . This question is bonded the first question. The mass difference between two isotopes is sometimes just a neutron mass. The spectrometer should separate them very well. For such an isotope combination, the difference in radius should be around 1 cm. That is r2 - r1 = 1 cm. In order to achieve this, choose a magnetic field with a magnitude in Tesla (maximum magnetic field you can obtain from a conventional magnet is around 2.5 T so be far away from this value) and choose the direction also. Then determine the velocity of isotope you need. Last calculate radius r of a Pb-204 smallest isotope. and that is my 4th question below What should be the power of the voltage supply that we will use in velocity selector region?arrow_forwardAn unknown radioactive element decays into non-radioactive substances. In 360 days the radioactivity of a sample decreases by 34 percent. (a) Find the decay constant k. (Round your answer to 5 decimal places.) (b) What is the half-life of the element? (Round your answer to two decimal places) half-life: (days) (c) How long will it take for a sample of 100 mg to decay to 59 mg? (Round your answer to two decimal places) time needed: (days)arrow_forward
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