College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 32, Problem 34PE
How many kilograms of water are needed to obtain the 198.8 mol of deuterium, assuming that deuterium is 0.01500% (by number) of natural hydrogen?
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Chapter 32 Solutions
College Physics
Ch. 32 - In terms of radiation dose, what is the major...Ch. 32 - One of the methods used to limit radiation dose to...Ch. 32 - Isotopes that emit (radiation are relatively safe...Ch. 32 - Why is radon more closely associated with inducing...Ch. 32 - The RBE for lowenergy s is 1.7, whereas that for...Ch. 32 - Which methods of radiation protection were used in...Ch. 32 - What radioisotope could be a problem in homes...Ch. 32 - Are some types of cancer more sensitive to...Ch. 32 - Suppose a person swallows some radioactive...Ch. 32 - Radiotherapy is more likely to be used to treat...
Ch. 32 - Does loud irradiation leave the food radioactive?...Ch. 32 - Compare a low dose of radiation to a human with a...Ch. 32 - Suppose one load irradiation plant uses a 137Cs...Ch. 32 - Why does the fusion of light nuclei into heavier...Ch. 32 - Energy input is required to fuse medium-mass...Ch. 32 - In considering potential fusion reactions, what is...Ch. 32 - Give reasons justifying the contention made in the...Ch. 32 - Explain why the fission of heavy nuclei releases...Ch. 32 - Explain, in terms of conservation of momentum and...Ch. 32 - The ruins of the Chernobyl reactor are enclosed in...Ch. 32 - Since the uranium or plutonium nucleus fissions...Ch. 32 - The cure of a nuclear reactor generates a large...Ch. 32 - How can a nuclear reactor contain many critical...Ch. 32 - Why can heavy nuclei with odd numbers of neutrons...Ch. 32 - Why is a conventional fission nuclear reactor not...Ch. 32 - What are some of the reasons that plutonium rather...Ch. 32 - Use the laws of conservation of momentum and...Ch. 32 - How does the lithium deuteride in the...Ch. 32 - Fallout from nuclear weapons tests in the...Ch. 32 - A neutron generator uses an (source, such as...Ch. 32 - Neutrons from a source (perhaps the one discussed...Ch. 32 - The purpose of producing 99Mo (usually by neutron...Ch. 32 - (a) Two annihilation rays in a PET scan originate...Ch. 32 - Table 32.1 indicates that 7.50 mCi of 99mTc is...Ch. 32 - The activities of 131I and 123I used in thyroid...Ch. 32 - (a) Neutron activation of sodium, which is 100%...Ch. 32 - What is the dose in mSv for: (a) a 0.1 Gy xray?...Ch. 32 - Find the radiation dose in Gy for: (a) A 10mSv...Ch. 32 - How many Gy of exposure is needed to give a...Ch. 32 - What is the dose in Sv in a cancer treatment that...Ch. 32 - One half the rays from 99mTc are absorbed by a...Ch. 32 - A plumber at a nuclear power plant receives a...Ch. 32 - In the 1980s, the term picowave was used to...Ch. 32 - Find the mass of 239Pu mat has an activity of 1.00...Ch. 32 - A beam of 168MeV nitrogen nuclei is used for...Ch. 32 - (a) If the average molecular mass of compounds in...Ch. 32 - Calculate the dose in Sv to the chest at a patient...Ch. 32 - (a) A cancer patient is exposed to rays from a...Ch. 32 - What is the mass of 60Co in a cancer therapy...Ch. 32 - Large amounts of 65Zn are produced in copper...Ch. 32 - Naturally occurring 40K is listed as responsible...Ch. 32 - (a) Background radiation due to 226Ra averages...Ch. 32 - The annual radiation dose from 14C in our bodies...Ch. 32 - If everyone in Australia received an extra 0.05...Ch. 32 - Verify that the total number at nucleons, total...Ch. 32 - Calculate the energy output in each of the fusion...Ch. 32 - Show that the total energy released in the...Ch. 32 - Verify by listing the number of nucleons, total...Ch. 32 - The energy produced by the fusion of a 1.00—kg...Ch. 32 - Tritium is naturally rare, but can be produced by...Ch. 32 - Two fusion reactions mentioned in the text are...Ch. 32 - (a) Calculate the number of grams of deuterium in...Ch. 32 - How many kilograms of water are needed to obtain...Ch. 32 - The power output of the Sun is 41026W. (a) If 90%...Ch. 32 - Another set of reactions that result in the fusing...Ch. 32 - (a) Find the total energy released in MeV in each...Ch. 32 - Verify that the total number of nucleons, total...Ch. 32 - Integrated Concepts The laser system tested for...Ch. 32 - Integrated Concepts Find the amount of energy...Ch. 32 - Integrated Concepts: (a) What temperature gas...Ch. 32 - Integrated Concepts (a) Estimate the years 1hat1he...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - Confirm that each at the reactions listed for...Ch. 32 - Breeding plutonium produces energy even before any...Ch. 32 - The naturally occurring radioactive isotope 232Th...Ch. 32 - The electrical power output of a large nuclear...Ch. 32 - A large power reactor that has been in operation...Ch. 32 - Find the mass converted into energy by a 12.0kT...Ch. 32 - What mass is converted into energy by a 1.00MT...Ch. 32 - Fusion bombs use neutrons from their fission...Ch. 32 - It is estimated that the total explosive yield of...Ch. 32 - A radiationenhanced nuclear weapon (or neutron...Ch. 32 - (a) How many 239Pu nuclei must fission to produce...Ch. 32 - Assume onefourth of the yield of a typical 320kT...Ch. 32 - This problem gives some idea of the magnitude of...Ch. 32 - It is estimated that weapons tests in the...Ch. 32 - A 1.00MT bomb exploded a few kilometers above the...Ch. 32 - Integrated Concepts One scheme to put nuclear...Ch. 32 - Prob. 1TPCh. 32 - Prob. 2TPCh. 32 - Prob. 3TPCh. 32 - Prob. 4TPCh. 32 - Prob. 5TPCh. 32 - Prob. 6TPCh. 32 - Prob. 7TPCh. 32 - Prob. 8TPCh. 32 - Prob. 9TPCh. 32 - Prob. 10TP
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- Question 12 of 22 Calculate the mass defect of Nitrogen (A = 14, Z = 7). The atomic mass of Nitrogen is 14.00307 u. (Note: The mass of a hydrogen atom is mH = 1.007825 u, and the mass of the neutron is mN = 1.008665 u.) 00 1.21 u 0.53 u 0.25 u 0.11 u zeroarrow_forward238 U has a natural abundance of 99.3% and 235 U has an abundance of 0.7%. It is the rarer 235 U that is needed for nuclear reactors. The isotopes are separated by forming uranium *UF6 and diffuses slightly faster. Many repetitions of this procedure gradually Uranium has two naturally occurring isotopes. 235 238 hexafluoride UF6, which is a gas, then allowing it to diffuse through a series of porous membranes. UF6 has a slightly larger rms speed than 235 UF6 to that of 238 UF6? separate the two isotopes. What is the ratio of the rms speed of Express your answer to five significant figures. ΑΣφ ?arrow_forwardBy READING the N vs t graph shown below, determine No & the half-life. N (x10¹ atoms) 120 90. 60. 30. 1 2 3 4 5 6 7 8 9 10 t(y) No = half-life = atomsarrow_forward
- Cobalt-60 and iodine-131 are used in treatments for some types of cancer. Cobalt-60 decays with a half-life of 5.27 years, emitting beta particles with a maximum energy of 0.32 MeV. Iodine-131 decays with a half-life of8.04 days, emitting beta particles with a maximumenergy of 0.60 MeV.(a) Suppose a fixed small number of moles of each of these isotopes were to be ingested and remain in the body indefinitely. What is the ratio of the number of millisieverts of total lifetime radiation exposure that would be caused by the two radioisotopes?(b) Now suppose that the contact with each of these isotopes is for a fixed short period, such as 1 hour. What is the ratio of millisieverts of radiation exposure for the two in this case?arrow_forward(a) Estimate the years that the deuterium fuel in the oceans could supply the energy needs of the world. Assume world energy consumption to be ten times that of the United States which is 8×1019 J/y and that the deuterium in the oceans could be converted to energy with an efficiency of 32%. You must estimate or look up the amount of water in the oceans and take the deuterium content to be 0.015% of natural hydrogen to find the mass of deuterium available. Note that approximate energy yield of deuterium is 3.37×1014 J/kg. (b) Comment on how much time this is by any human measure. (It is not an unreasonable result, only an impressive one.)arrow_forwardRadioactive element AA can decay to either element BB or element CC.The decay depends on chance, but the ratio of the resulting number of BB atoms to the resulting number of CC atoms is always 2/1.The decay has a half-life of 8.00 days.We start with a sample of pure AA. How long must we wait until the number of CC atoms is 1.50 times the number of AAatoms?arrow_forward
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