11. 252Cf decays by spontaneous fission 3.09% of the time and by alpha particle emission 96.91% of the time. Calculate the total and fission activity of a 1 ug sample of 25Cf (T12 = 2.645 252.081626 amu; density 15.1 g/cm'). Further, what is the partial decay years; mass = constant for fission? %3D

Q: Consider the nuclei Sn with an atomic number of 50 and mass number is 118 . Determine its mass…

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Q: Q41. A radioactive source has a half-life of 20 days. Calculate the activity of the source after 70…

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Q: In a particular 235U fission event, 4 prompt neutrons are produced and one fission fragment is…

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Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.00 billion years old by…

A: Given Mass (m)                      = 1.375 g Half-life of U238 t12 = 4.47×109  years Present time…

Q: X 26. MeV) for 'Be, for which the atomic mass is 9.01219 amu. Particle masses in amu are: proton =…

A: Given a Be nuclei with atomic mass= 9.01219 amu                                 mass of proton=…

Q: %3D Given: m° Find: m 2. A fission reaction in the release of a treme how much was is the I Given:

A:

Q: A large power reactor that has been in operation for some months is turned off, but residual…

A: Power ( P ) = 135 MW Average energy per decay = 1.04 MeV

Q: 2. Find the average binding energy per nueleon for Bromine, Br (atomic mass= 78.918336 u). a) 8.69…

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Q: Calculate the number of phosphorus P nuclei decayed during the first week, if the initial number of…

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Q: Calculate the nuclear binding energy per nucleon (in J/nucleon) for the nuclei 80X with a mass…

A: Mass defect (∆) = 0.4425 amu Binding energy (B.E) = 0.4425 × 931.5 Mev                          B.E…

Q: 18F is an unstable isotope of fluorine (Z=9) that decays by beta plus emission (β+ decay) with a…

A: solution is given by

Q: Calculate the nuclear binding energy per nucleon (in J/nucleon) for the nuclei 171X with a mass…

A:

Q: Q41. A radioactive source has a half-life of 20 days. Calculate the activity of the source after 70…

A: Radioactive elements emit radiation of different types. With time the amount of the radioactive…

Q: In a nuclear reactor accident, the 137Cs (?1/2 = 30.2 years) nuclide is among the most problematic…

A: Given : Description of a nuclear reactor using 137Cs.

Q: Consider the following. n + 239Pu → 90Kr + 148Ce + 2 n (a) Calculate the energy released in the…

A: Given data:    mK90r=89.919524 u  mC148e=147.924395 u mP239u=239.0521634 u mn=1.008664 u

Q: 45. A 60 Co source is labeled 6.1 mCi, but its present activity is found to be 2.03x107 Bq. (a) What…

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Q: gram of caesuim (55 Cs) decays by B-emission with a half life of 30 years. (a) Name the resulting…

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Q: Naturally occurring 40K is listed as responsible for 40 mrem/y of background radiation. Calculate…

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Q: 263Sg decays by alpha emission. What is the other product resulting from the alpha decay of 263Sg?

A: Here, we look at the nature of alpha emission to get the final product.

Q: In the figure below, note that for low Z, all the nucleii with the most highest binding energy per…

A: Nuclear stability depends on ratio of number of neutrons to number of protons. For elements having…

Q: 1) If the activity of a purely radioactive sample of 55Fe is measured to be 0.5 mCi. What is the…

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Q: A single atom of cesium-133 has a mass, in atomic mass units, of 132.90545193 u. Determine a) the…

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Q: Estimate the total binding energy for Cu, using the figure. Express your answer to two significant…

A: Using the binding curve givenfor   Cu2963binding energy/nucleon≈8.7 MeV

Q: Find the mass energy released in the alpha decay of Ac-220. atomic mass of 220 Ac = 220.014763 u; 89…

A:

Q: The following questions is about the 10Ne atom. Given: Rest mass of 20Ne, m²ºNe = 19.99244u Rest…

A:

Q: It is known that the mass of the alpha particle He is 4.002603u, 1. Estimate the binding energy and…

A: In Helium ,He24 : Where  Number of protons = 2 Number of neutron = 2 Total number of nucleons = 2+2…