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- Needs Complete solution. Plz.Madame Curie filled glass vials with pure radon, produced by her radium, for use in hospitals. Radon has a short half-life of 3.8 days. Suppose that she put 1 MBq of radon in a vial. i) Sketch a graph of the activity of the radon over the next week or two. Label the axes with appropriate numbers and units. Mark on the graph the half-life and the characteristic time. ii) Radon decays through a chain of four very short-lived radionuclides (halflives of 20 minutes and less) before reaching a relatively stable isotope of lead. Approximately what activity will the vial have two or three hours after filling, and about two weeks after filling?The actual fission reactions that release energy in a nuclear power plant are about A) one-third from uranium-235 and two-thirds from plutonium-239. B) two-thirds from uranium-235 and one-third from uranium-239. C) one-third from uranium-235 and two-thirds from uranium-239. D) two-thirds from uranium-235 and one-third from plutonium-239.
- Part A 124 Cs has a half-life of 30.8 s. 55 Part B Part C Part D After how much time will the activity drop to less than about 1 per second? Express your answer using two significant figures. ΑΣφ ? t = S1 Radioactive decay Consider a chain of radioactive decays 1-2-3, where nuclei of type 3 are stable. We assume that we begin with No atoms of the parents at t= 0 and no atoms of the decay products are originally present. The decays constants are represented by A₁, A2. a) Compute N₁ (t) b) Compute N₂(1) c) Compute N₁ (1) d) Compute N₁ (t) + N₂(t) + Na(t) and interpret. e) Plot N₁ (t), N₂(t), and N₁(e) approximately and interpret them at small t and tooH.W 2 A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea Scrolls has ar activity of 10.8 disintegrations per minute per gram of carbon. If the initial C-14 activity was 13.6 disintegrations/min/g of C, estimate the age of the Dead Sea Scrolls.