General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 30, Problem 23E
To determine
The number of neutrons.
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9.20 A 1 g sample of 1"N is placed in a neutron howitzer with a flux of 1.50 × 10ª n/
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Chapter 30 Solutions
General Physics, 2nd Edition
Ch. 30 - Prob. 1RQCh. 30 - Prob. 2RQCh. 30 - Prob. 3RQCh. 30 - Prob. 4RQCh. 30 - Prob. 5RQCh. 30 - Prob. 6RQCh. 30 - Prob. 7RQCh. 30 - Prob. 8RQCh. 30 - Prob. 9RQCh. 30 - Prob. 10RQ
Ch. 30 - Prob. 11RQCh. 30 - Prob. 12RQCh. 30 - Prob. 1ECh. 30 - Prob. 2ECh. 30 - Prob. 3ECh. 30 - Prob. 4ECh. 30 - Prob. 5ECh. 30 - Prob. 7ECh. 30 - Prob. 8ECh. 30 - Prob. 9ECh. 30 - Prob. 10ECh. 30 - Prob. 11ECh. 30 - Prob. 12ECh. 30 - Prob. 13ECh. 30 - Prob. 14ECh. 30 - Prob. 15ECh. 30 - Prob. 16ECh. 30 - Prob. 17ECh. 30 - Prob. 18ECh. 30 - Prob. 19ECh. 30 - Prob. 20ECh. 30 - Prob. 21ECh. 30 - Prob. 22ECh. 30 - Prob. 23ECh. 30 - Prob. 24ECh. 30 - Prob. 25ECh. 30 - Prob. 26ECh. 30 - Prob. 27ECh. 30 - Prob. 28ECh. 30 - Prob. 29ECh. 30 - Prob. 30ECh. 30 - Prob. 31ECh. 30 - Prob. 32ECh. 30 - Prob. 33ECh. 30 - Prob. 34ECh. 30 - Prob. 35ECh. 30 - Prob. 36ECh. 30 - Prob. 37ECh. 30 - Prob. 38ECh. 30 - Prob. 39ECh. 30 - Prob. 40ECh. 30 - Prob. 41ECh. 30 - Prob. 42ECh. 30 - Prob. 43ECh. 30 - Prob. 44ECh. 30 - Prob. 46ECh. 30 - Prob. 47ECh. 30 - Prob. 48ECh. 30 - Prob. 49ECh. 30 - Prob. 51ECh. 30 - Prob. 52ECh. 30 - Prob. 53ECh. 30 - Prob. 54ECh. 30 - Prob. 55ECh. 30 - Prob. 56ECh. 30 - Prob. 57ECh. 30 - Prob. 58ECh. 30 - Prob. 59ECh. 30 - Prob. 60ECh. 30 - Prob. 61ECh. 30 - Prob. 62ECh. 30 - Prob. 63ECh. 30 - Prob. 64ECh. 30 - Prob. 65E
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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) Calculate the radius of 58Ni, one of the most tightly bound stable nuclei. (b) What is the ratio of the radius of 58Ni to that at 258Ha, one of the largest nuclei ever made? Note that the radius of the largest nucleus is still much smaller than ?le size of an atom.arrow_forwardWhat is the mass of 60Co in a cancer therapy transillumination unit containing 5.00 kCi of 60Co?arrow_forward
- (a) How many 239Pu nuclei must fission to produce a 20.0kT yield, assuming 200 MeV per fission? (b) What is the mass of this much 239Pu?arrow_forward(a) Write the complete reaction equation for electron capture by 15. (b) Calculate the energy released.arrow_forward(a) Show that if you assume the average nucleus is spherical with a radius r=r0A1/3, and with a mass at A u, then its density is independent at A. (b) Calculate that density in u/fm3 and kg/m3, and compare your results with those found in Example 31.1 for 56Fe.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_forwardA neutron generator uses an (source, such as radium, to bombard beryllium, inducing the reaction 4He+9Be12C+n. Such neutron sources are called RaBe sources, 0r PuBe sources if they use plutonium to get the (s. Calculate the energy output of the reaction in MeV.arrow_forwardThe radioactive isotope, C does not occur naturally but it is found at con- stant rate by the action of cosmic rays on the atmosphere. It is taken up by plants and animals and deposited in the body structure along with natural carbon, but this process stops at death. The charcoal from the fire pit of an ancient camp has an activity due to 4C of 12.9 disintegrations per minute, per gram of carbon. If the percentage of 14C compared with normal Carbon in living trees is 1.35 × 10-¹⁰%, the decay constant is 3.92 × 10−¹⁰ s¯¹ and the atomic weight = 12.0, what is the age of the campsite? [University of Liverpool]arrow_forward
- Natural uranium is 0.7200% 235U and 99.27% 238U. What were the percentages of 235U and 238℃ in natural uranium when Earth formed 4.5 x 109 years ago, respectively? percentage 235U percentage 238U % %arrow_forward4.3 The radioactive cobalt isotope, Co, has an half-life of 63 months and undergoes decay. The molar mass of 6°Co is 59.9338222 amu. A sample initially contains 48 mg of 6°Co. (a) Calculate the number of moles of 6Co that are left in the sample after 5.0 years. (b) Calculate the activity of 60CO after 5.0 years, in units of per month (month).arrow_forwardThe radioactive isotope, 14 6 C does not occur naturally but it is found at constant rate by the action of cosmic rays on the atmosphere. It is taken up by plants and animals and deposited in the body structure along with natural carbon, but this process stops at death. The charcoal from the fire pit of an ancient camp has an activity due to 146C of 12.9 disintegrations per minute, per gram of carbon. If the percentage of 146C compared with normal Carbon in living trees is 1.35 × 10−10%, the decay constant is 3.92 × 10−10 s−1 and the atomic weight = 12.0, what is the age of the campsite?arrow_forward
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