In a certain fission reaction, a 239u nucleus captures a neutron. This process results in the creation of the products 13/1 and y along with how many neutrons?
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- An unstable isotope of cobalt, 60Co, has one more neutron in its nucleus than the stable 59Co and is a beta emitter with a half-life of 5.30 years. This isotope is widely used in medicine. A certain radiation source in a hospital contains 4.20×10−2g of 60Co A) What is the decay constant for that isotope? Express your answer with the appropriate units. B) How many atoms are in the source? C) How many decays occur per second? Express your answer as a number of decays per second. D) What is the activity of the source, in curies? Express your answer in curies.A sample of radioactive isotope is found to have an activity of 110 Bq imediately after it is pulled from the reactor that formed the isotope. Its activity 1 h, 20 min later is measured to be 89 Bq. Find the decay constant of the sample. Answer in units of h-. Find the half-life of the sample. Answer in units of h. How many radioactive nuclei were there in the sample initially?A nucleus of 238 Np captures a thermal neutron to form a nucleus of 239 Np . What is the excitation energy ( to 1 dp ) in MeV for this process ?
- A proposed nuclear reactor facility will have an electrical power output of 937 MW with a 36.9% efficiency in converting nuclear to electrical power. Assuming the average fission reaction produces 156 MeV, how many reactions will take place at the facility every second?A proposed nuclear reactor facility will have an electrical power output of 908 MW with a 31.3% efficiency in converting nuclear to electrical power. Assuming the average fission reaction produces 234 MeV, how many reactions will take place at the facility every second?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?