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Chapter 11: Q66E (page 520)
Two deuterons can fuse to form different products. Although not the most probable outcome, one possibility is helium-4 plus a gamma particle. Calculate the net energy released in this process.
Energy
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A fossil specimen has decay rate of
(a) How many carbon-14 nuclei are present?
(b) If the specimen is 20,000 years old, how many carbon-14 nuclei were present when the animal died?
(c) How much kinetic energy (in MeV) is released in each decay and what is the total amount released in all decay since the animal died?
Oxygen-19 decays. What is the daughter nucleus, and what may be said of the kinetic energy of the emitted particle?
Thorium 232 is rather abundant on Earth and is now coming into use as a breeder fuel. It behaves almost exactly like uranium- 238, merely shifted by even numbers of protons and neutrons, which means that it is not the actual fission fuel. What isotope is?
Using the semiempirical binding energy formula estimate the mass of a europium- atom.
To remove one electron from helium requires . and removing its second takes . The ionization energy of hydrogen is . When applied to helium -4 by what percentage is equation (11-5) in error due to its ignoring of electronic binding energies?
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