Q.1. (a) For a nucleus *zXx write down the equations for a, B+, B-, y, decay to a nucleus Y.
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A: The solution can be given as follows :-
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A: in above question we have to find the parent nucleus.
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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
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A: Given,
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Q: Part A A sample of U (T1 = 1.59 × 10° yr) contains 6.10 x 1018 nuclei. Part B Approximately how many…
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Q: β+ decay of 52 Fe .
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Q: The half-life for the a decay of uranium 2U is 4.47 x 10° yr. Determine the age (in years) of a rock…
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Q: The number of radioactive atoms in a sample decay as the emission of radiation proceeds and this may…
A: Radioactivity
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- The ceramic glaze on a red-orange Fiestaware plate is U2O3 and contains 50.5 grams of 238U, but very little 235U. (a) What is the activity of the plate (in Ci)? Ci (b) Calculate the total energy (in J) that will be released by the 238U decay. J (c) If energy is worth 12.5 cents per kW · h, what is the monetary value (in dollars) of the energy emitted? (These plates went out of production some 30 years ago, but are still available as collectibles.) $The number of radioactive atoms in a sample decay as the emission of radiation proceeds and this may be described by an exponential decay N(t) = N0exp(-t/τ) where τ is the decay time. What is the decay time τ if the half-life t1/2 = 3hrs? Select one: a. 8.15 hours b. 90 mins. c. 260 mins. d. 3 hours.Suppose you are producing nanoparticles in a vacuum chamber with a pressure of 150 Pa. What is the size of the critical nucleus at 1473 K for (a) copper and (b) gold?