The fission properties of 339 Pu are very 94 similar to those of 235 U. The average energy 92 released per fission is 180 MeV. How much energy, in MeV, is released if all the atoms in 1 kg of pure 94 239 Pu undergo fission?
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Q: (b) 239 Pu + x→ ⁹2 Sr+? + 3n, 92
A: The reaction can be written asRest mass of Pu-239 is 239.05216 amuRest mass of Sr-92 is 91.91103…
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- A nucleus of 238 Np captures a thermal neutron to form a nucleus of 23⁹Np. What is the excitation energy (to 1 dp) in MeV for this process?Suppose enriched uranium containing 3.70% of the fissionable isotope 23592U is used as fuel for a ship. The water exerts an average friction force of magnitude 2.50 105 N on the ship. How far can the ship travel per kilogram of fuel? Assume that the energy released per fission event is 208 MeV and the ship's engine has an efficiency of 20.0%. please answer should be in kmA 2.0-MeV neutron is emitted in a fission reactor. If it loses one-half its kinetic energy in each collision with a moderator atom, how many collisions must it undergo to reach an energy associated with a gas at a room temperature of 20.0°C
- When a nucleus decays, the daughter nucleus can be in an excited state. The 93/43Tc nucleus (molar mass 92.910 2 g/mol) in the ground state decays by electron capture and e+ emission to energy levels of the daughter (molar mass 92.906 8 g/mol in the ground state) at 2.44 MeV, 2.03 MeV, 1.48 MeV, and 1.35 MeV. (a) Identify the daughter nuclide. (b) To which of the listed levels of the daughter are electron capture and e+ decay of 93/43Tc allowed?Each fusion reaction of deuterium (2H) and tritium (3H) releases about 20.0 MeV. The molar mass of tritium is approximately 3.02 g. What mass m of tritium is needed to create 1012 J of energy, the same as that released by exploding 250 tons of TNT? Assume that an endless supply of deuterium is available.