COLLEGE PHYSICS
COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 27, Problem 33QAP
To determine

The number of nuclei that are present in a 50Kg human body.

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Problem A You have a 3 mol pure sample of an unknown material. After 3.7 h, you discover that 20% has decayed. Determine the half-life, decay constant, mean life, & initial decay rate. Also determine what the decay rate is at 3.7 h. T1/2 = λ= 3.28e-04 x h¹ T= R₂ = R= Problem B decays/h decays/h The decay rate of a radioactive source decreases by 32.8% in 92 h. Determine the half-life, decay constant, & mean life of the source. T1/2 = λ = T= h-1
Natural uranium ore contains about 0.720% of the fissile uranium - 235 isotope. Suppose a sample of uranium ore contains 2.50 x 1028 uranium nuclei. Determine the number of uranium - 235 nuclei in the sample.
6. The bismuth-209 nucleus has a binding energy per nucleon of 7.6154 MeV. (1 MeV is 1.60 × 10-13 J). Determine the difference in mass between one mole of bismuth-209 nuclei and the component nucleons of which it is made. (For the masses of the atoms and the neutrons, see the lecture material, Ch19_part3 page 9.) Masses of Selected Elementary Particles and Atoms Elementary Particle Electron, beta particle Positron Proton Neutron Atom H H He He Li Be Be 10 Be B B "C ¹2C 13C 19F Na Symbol je+ ip+ Mass (u) 1.007825032 2.014101778 3.016049268 3.016029310 4.002603250 7.0160040 8.00530509 9.0121821 10.0135337 8.024607 10.0129370 11.0093055 11.011433 12 exactly 13.003354838 14.003241988 14.003074005 15.994914622 16.9991315 17.999160 18.9984032 20.99764 Mass (u) 0.000548579911 0.000548579911 1.0072764669 1.0086649158 Atom Na Mg 50 325 87 127₁ 153 226 Ra 88 228 Ra 228 Rb 89 Ac 232 90 Th 90 234 231₁ Pa Th 231 U 92 234 U 92 235U 238 U 92 Mass (kg) 9.1093819 x 10 9.1093819 x 101 -31 1.6726216 x…

Chapter 27 Solutions

COLLEGE PHYSICS

Ch. 27 - Prob. 11QAPCh. 27 - Prob. 12QAPCh. 27 - Prob. 13QAPCh. 27 - Prob. 14QAPCh. 27 - Prob. 15QAPCh. 27 - Prob. 16QAPCh. 27 - Prob. 17QAPCh. 27 - Prob. 18QAPCh. 27 - Prob. 19QAPCh. 27 - Prob. 20QAPCh. 27 - Prob. 21QAPCh. 27 - Prob. 22QAPCh. 27 - Prob. 23QAPCh. 27 - Prob. 24QAPCh. 27 - Prob. 25QAPCh. 27 - Prob. 26QAPCh. 27 - Prob. 27QAPCh. 27 - Prob. 28QAPCh. 27 - Prob. 29QAPCh. 27 - Prob. 30QAPCh. 27 - Prob. 31QAPCh. 27 - Prob. 32QAPCh. 27 - Prob. 33QAPCh. 27 - Prob. 34QAPCh. 27 - Prob. 35QAPCh. 27 - Prob. 36QAPCh. 27 - Prob. 37QAPCh. 27 - Prob. 38QAPCh. 27 - Prob. 39QAPCh. 27 - Prob. 40QAPCh. 27 - Prob. 41QAPCh. 27 - Prob. 42QAPCh. 27 - Prob. 43QAPCh. 27 - Prob. 44QAPCh. 27 - Prob. 45QAPCh. 27 - Prob. 46QAPCh. 27 - Prob. 47QAPCh. 27 - Prob. 48QAPCh. 27 - Prob. 49QAPCh. 27 - Prob. 50QAPCh. 27 - Prob. 51QAPCh. 27 - Prob. 52QAPCh. 27 - Prob. 53QAPCh. 27 - Prob. 54QAPCh. 27 - Prob. 55QAPCh. 27 - Prob. 56QAPCh. 27 - Prob. 57QAPCh. 27 - Prob. 58QAPCh. 27 - Prob. 59QAPCh. 27 - Prob. 60QAPCh. 27 - Prob. 61QAPCh. 27 - Prob. 62QAPCh. 27 - Prob. 63QAPCh. 27 - Prob. 64QAPCh. 27 - Prob. 65QAPCh. 27 - Prob. 66QAPCh. 27 - Prob. 67QAPCh. 27 - Prob. 68QAPCh. 27 - Prob. 69QAPCh. 27 - Prob. 70QAPCh. 27 - Prob. 71QAPCh. 27 - Prob. 72QAPCh. 27 - Prob. 73QAPCh. 27 - Prob. 74QAPCh. 27 - Prob. 75QAPCh. 27 - Prob. 76QAPCh. 27 - Prob. 77QAPCh. 27 - Prob. 78QAPCh. 27 - Prob. 79QAPCh. 27 - Prob. 80QAPCh. 27 - Prob. 81QAPCh. 27 - Prob. 82QAPCh. 27 - Prob. 83QAPCh. 27 - Prob. 84QAPCh. 27 - Prob. 85QAPCh. 27 - Prob. 86QAPCh. 27 - Prob. 87QAPCh. 27 - Prob. 88QAPCh. 27 - Prob. 89QAPCh. 27 - Prob. 90QAPCh. 27 - Prob. 91QAPCh. 27 - Prob. 92QAPCh. 27 - Prob. 93QAPCh. 27 - Prob. 94QAPCh. 27 - Prob. 95QAPCh. 27 - Prob. 96QAPCh. 27 - Prob. 97QAP
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