College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 30, Problem 17P
Find the energy released in the fusion reaction
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A fusion reaction that has been considered as a source of energy is the absorption of a proton by a boron-11 nucleus to produce three alpha particles: 1/1H + 11/5B → 3(4/2He)This reaction is an attractive possibility because boron is easily obtained from the Earth’s crust. A disadvantage is that the protons and boron nuclei must have large kinetic energies for the reaction to take place. This requirement contrasts with the initiation of uranium fission by slow neutrons. (a) How much energy is released in each reaction? (b) Why must the reactant particles have high kinetic energies?
In the following fission reaction, identify the other product: 235:92 U + 1:0 n → 139:53 I + 2 1:0 n + __________
Complete the following nuclear reactions.
(a) ?+ 14 / 7 N → 1 / 1 H + 17 / 8 O
(b) 7 / 3 Li + 1 / 1 H → 4 / 2 He + ?
Chapter 30 Solutions
College Physics
Ch. 30.6 - Prob. 30.1QQCh. 30.6 - Prob. 30.2QQCh. 30 - Prob. 1CQCh. 30 - Prob. 2CQCh. 30 - Prob. 3CQCh. 30 - Prob. 4CQCh. 30 - Prob. 5CQCh. 30 - Prob. 6CQCh. 30 - Prob. 7CQCh. 30 - Prob. 8CQ
Ch. 30 - Prob. 9CQCh. 30 - Prob. 10CQCh. 30 - Prob. 11CQCh. 30 - Prob. 12CQCh. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - Prob. 3PCh. 30 - Prob. 4PCh. 30 - Prob. 5PCh. 30 - Prob. 6PCh. 30 - Prob. 7PCh. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - Prob. 10PCh. 30 - Prob. 11PCh. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - Prob. 14PCh. 30 - Prob. 15PCh. 30 - Find the energy released in the fusion reaction...Ch. 30 - Find the energy released in the fusion reaction...Ch. 30 - Prob. 18PCh. 30 - Prob. 19PCh. 30 - Prob. 20PCh. 30 - Prob. 21PCh. 30 - Prob. 22PCh. 30 - Prob. 23PCh. 30 - Prob. 24PCh. 30 - Prob. 25PCh. 30 - Prob. 26PCh. 30 - Prob. 27PCh. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - Prob. 32PCh. 30 - Prob. 33PCh. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37APCh. 30 - Prob. 38APCh. 30 - Prob. 39APCh. 30 - Prob. 40APCh. 30 - Prob. 41APCh. 30 - Prob. 42APCh. 30 - Prob. 43APCh. 30 - Prob. 44APCh. 30 - Prob. 45APCh. 30 - Prob. 46APCh. 30 - Prob. 47APCh. 30 - Prob. 48APCh. 30 - Prob. 49APCh. 30 - Prob. 50AP
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- 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?arrow_forward(a) Write the complete reaction equation for electron capture by 15. (b) Calculate the energy released.arrow_forwardWhich of the following quantities represents the reaction energy of a nuclear reaction? (a) (final mass initial mass)/c2 (b) (initial mass final mass)/c2 (c) (final mass initial mass)c2 (d) (initial mass final mass)c2 (e) none of those quantitiesarrow_forward
- (a) Calculate BE/A for 235U, the rarer of the two most common uranium isotopes. (b) Calculate BE/A for 238U. (Most of uranium is 238U.) Note that 238U has even numbers at both protons and neutrons. Is the BE/A of 238U significantly different from that of 235U?arrow_forwardUnreasonable Results The relatively scarce naturally occurring calcium isotope 48Ca has a halflife at about 21016y. (a) A small sample of this isotope is labeled as having an activity of 1.0 Ci. What is the mass of the 48Ca in the sample? (b) What is unreasonable about this result? (c) What assumption is responsible?arrow_forward(a) Calculate the number of grams of deuterium in an 80.000L swimming pool, given deuterium is 0.0150% of natural hydrogen. (b) Find the energy released in joules if this deuterium is fused via the reaction 2H+2H3He+n. (c) Could the neutrons be used to create more energy? (d) Discuss the amount of this type of energy in a swimming pool as compared to that in, say, a gallon of gasoline, also taking into consideration that water is far more abundant.arrow_forward
- Help.arrow_forwardSelect the missing product of this nuclear reaction: 235 U + n 92 1 1 90 → ? + 2 n + Rb 37 O A. 144 Cs 55 о в. 146 Cs 55 C. 143. 53 O D. 143 Хе 54arrow_forwardAnother set of reactions that result in the fusing ofhydrogen into helium in the Sun and especially in hotter starsis called the carbon cycle. It is12C + 1H → 13N + γ,13N → 13C + e+ + ve,13C + 1H → 14N + γ,14N + 1H → 15O + γ,15O → 15N + e+ + ve,15N + 1H → 12C + 4He.Write down the overall effect of the carbon cycle (as wasdone for the proton-proton cycle in2e− + 41H → 4 He + 2ve + 6γ ). Note the number of protons ( 1H ) required and assume that the positrons ( e+ ) annihilate electrons to form more γ rays.arrow_forward
- (a) Determine the product of the reaction 7 Li + 4He → ? + n. 3 2 chemPad XX že Help Greek 7 4 (b) What is the Q value of the reaction? (The atomic mass of Li is 7.016004 u, the atomic mass of He is 4.002603 u, the atomic mass of a neutron is 1.008665 u, and the atomic mass of the unknown product is 10.012937 u.) 3 2 MeVarrow_forwardNuclear Fission: 1. n+ 2U → ? + 3gSr + 2n 2. n+ 235U → 1I 137 + 33Y+ ?narrow_forwardFind A and identify X in the following nuclear reactions: (a) ¹H + Be → AX + n; (b)¹²C + ¹H → AX; (c) 15N + ¹H→ 4He + AX. (a) A = (b) A = (c) A = HI i Hi X: X: X: >arrow_forward
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