Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 5, Problem 6P
To determine
Find the energy released during the
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Chapter 5 Solutions
Sustainable Energy
Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - A sample of 137Cs (half-life = 30.1 years) decays...Ch. 5 - Prob. 4PCh. 5 - What are the decay products of the decay of the...Ch. 5 - Prob. 6PCh. 5 - Nuclide A has a half-life of 4 days, and nuclide B...Ch. 5 - 64Cu can decay by both decay and + decay. Draw an...Ch. 5 - At time t = 0 a sample contains 3.57 108 nuclei...Ch. 5 - Prob. 10P
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- What are the decay products of the decay of the following nuclides: 3H, 14C, 64Cu, and 125Sn?arrow_forwardAt time t = 0 a sample contains 3.57 108 nuclei of a particular nuclide. Exactly one year later the sample contains 3.09 108 nuclei of the same species. Calculate the half-life of the decay.arrow_forwardAt t = 0 there are 4.11 1011 nuclei of a particular nuclide in a sample. The decay rate is measured to be 3.21 106 s1. Calculate the half-life.arrow_forward
- Nuclide A has a half-life of 4 days, and nuclide B has a half-life of 16 days. At the beginning of an experiment, a sample contains 218 nuclei of nuclide A and 212 nuclei of nuclide B. How long will it take before the numbers of nuclei of the two nuclides are equal?arrow_forwardInitially, there is 50 mg of a certain radioactive material present and after two hours, it is observed that the material has lost 10% of its original mass. Find: a) the mass of the material after 4 hours b) the time at which the mass has decayed to one-half of its initial mass (half-life of the material)arrow_forwardThe measured decay rates of a radioactive material as a function of time are shown in the table below. (a) Calculate the half-life of the decay. (b) Show that a semilogarithmic plot of the decay rate as a function of time is linear. (c) Derive an analytical form of the linear relationship for part (b).arrow_forward
- A sample of 137Cs (half-life = 30.1 years) decays at a rate of 1010 decays per second. How long will it take the decay rate to decrease to 107 decays per second?arrow_forwardCalculate the change in the entropies of the system and the surroundings, and the total change in entropy, when the volume of a sample of argon gas of mass 21 g at 298 K and 1.50 bar increases from 1.20 dm3 to 4.60 dm3 in (a) an isothermal reversible expansion, (b) an isothermal irreversible expansion against pex = 0, and (c) an adiabatic reversible expansion.arrow_forwardThe half-life of a radioactive substance is defined to be the amount of time it takes for the substance to decay 50% of it's amount. If substance X has half-life of 3,600 years, what part of substance X will remain after 4,500 years?arrow_forward
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