The nuclear reaction that powers the radioisotope thermoelectric generator is 23823 Pu → 23U + He. The atomic masses of plutonium-238 and uranium-234 are 238.049554 amu and 234.040946 amu, respectively. The mass of an alpha particle is 4.001506 amu. How much energy in kJ is released when 1.00 g of plutonium-238 decays to uranium-234?
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- An Erbium-166 nucleus contains 68 protons. The atomic mass of a neutral Erbium-166 atom is 165.930u, where u = 931.5 MeV/c². In this question you may use that the mass of a proton is 938.27 MeV/c², the mass of a neutron is 939.57 MeV/e² and the mass of an electron is 0.511 MeV/c². i. Calculate the nuclear binding energy per nucleon, giving your answer in units of MeV. ii. Electrons with an energy of 0.5 GeV are scattered off the nucleus. Estimate the scattering angle of the first minimum in the resulting diffraction pattern. iii. Briefly comment on whether or not you expect this nucleus to be spherical, and what consequence this has for excited states of the nucleus in the collective model.In the fusion reaction H+H He + n the masses of deuteron, helium and neutron express ed in amu are 2.015, 3.017 and 1.009 respectively. If 1 kg of deuterium undergoes complete fusion, find the amount of total energy released. 1 amu = 931.5 MeV/c.Radioactive element AA can decay to either element BB or element CC.The decay depends on chance, but the ratio of the resulting number of BB atoms to the resulting number of CC atoms is always 2/1.The decay has a half-life of 8.00 days.We start with a sample of pure AA. How long must we wait until the number of CC atoms is 1.50 times the number of AAatoms?
- The mass of the anti-neutrino is negligible. The mass of the neutral version of the daughter atom (that's the one that the scandium decays into) is 45.952627 u, while the mass of a scandium-46 atom is 45.955167 u. If you need it, the mass of an electron or positron is 0.0005486 u. Also, 1 u when converted to energy gives an energy of 931.5 MeV. Calculate the kinetic energy carried off by the decay products in this particular decay. d MeVeOne method for determining the age of ancient objects is by radiocarbon dating. Natural processes convert nitrogen to Carbon-14, a radioactive isotope with a half-life of 5730 years. When they are alive, animals assimilate Carbon-14 through the food chain. When an animal dies, it stops replacing its carbon and the amount of Carbon-14 decays exponentially. (a) Suppose the minimum detectable amount is 0.1% of the initial amount. What is the maximum age of a fossil that we could date using Carbon-14? (b) Suppose we wanted to date a fossil that was potentially 70 million years old. A radioactive isotope with what half-life would be required?Please help me answer the following.
- Iodine-131 is often used to treat Graves' disease or hyperthyroidism. In Graves' disease the thyroid begins to overproduce thyroid hormone. If a small amount of iodine-131 is consumed, it will concentrate in the thyroid gland and destroy its ability to function. If a tablet containing 15.0 μg of 131I is ingested by a patient, how many days will it take for the amount of iodine to decay to less than 1 μg?The Sun is powered by releasing hydrogen to helium. Through either the proton-proton chain or the CNO cycle, the basic reaction is 4 1H morph into 1 4He, releasing nuclear binding energy (and losing mass) in the process. The mass of one proton 1H is 1.6726 x 10-24 gm and the mass of one helium nucleus 4He is 6.6447 x 10-24 gm. What is the mass difference in gm between 4 protons and one helium nucleus? Calculate the ratio of the mass difference to the original mass of the 4 protons as a comparison.answer all parts it is one single question.
- Large amounts of depleted uranium (238U ) are available as a by-product of uranium processing for reactor fuel and weapons. Uranium is very dense and makes good counter weights for aircraft. Suppose you have a 4000-kg block of 238U . How many calories per day are generated by thermalization of the decay energy?43. During a particular nuclear reaction, some mass is converted to energy. If the reactants in this process have 0.00562 u more mass than the products, calculate the energy of the products that comes from the reactants and characterize the reaction as endothermic or exothermic. A. 5.2 MeV, exothermic B. 5.2 MeV, endothermic C. 1.9 MeV, exothermic D. 1.9 MeV, endothermicQuestion 12 of 22 Calculate the mass defect of Nitrogen (A = 14, Z = 7). The atomic mass of Nitrogen is 14.00307 u. (Note: The mass of a hydrogen atom is mH = 1.007825 u, and the mass of the neutron is mN = 1.008665 u.) 00 1.21 u 0.53 u 0.25 u 0.11 u zero