Q1)Complete the radioactive decay equations: a)89AC225 87 Fr221 + b)26FE56 27 Co56 + C)28N163 29 Cu.... +
Q: A radioactive material initially is observed to have an activity of 1000 decays per second. If 9.0…
A: Given : A0 = 1000 decays/sec A = 100 decays/sec t = 9 hours
Q: 2. An isotope of sodium 24N a has a half-life of 15 hours. A sample of this isotope has a mass of…
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Q: 5. How many nuclei of 238 U remain in a rock if the activity registers 270 decays per second? (Note…
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Q: 1. Calculate the average binding energy per nucleon for Cobalt, Co (atomic mass= MeV 58.933198 u).
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Q: 3. Decay of a radioactive material takes place according to the data given in Table 2. Find the…
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Q: 17. Home smoke detectors often contain the radioactive element Americium-241 which emits a particles…
A: Step 1: a) Americium-241 emits alpha particle and forms Neptunium-237.An alpha patircle is…
Q: Qc
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Q: Bismuth, 214Bi decays by alpha decay with a half-life of 19.7 minutes. What is its decay constant?…
A: Given:Bismuth, 214Bi decays by alpha decayHalf-life,t1/2= 19.7 minutes.Find its decay constant.Now,…
Q: Given the mass of a radioactive material, phosphorus 32P is 0.60 g and its half-life, T1/2 is 14.3…
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Q: Identify the following nuclear reaction H+H+He+y O a. fission O b. beta mìnus decay Oc. fusion O d.…
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Q: Complete the radioactive decay equation: 31,4Si -> 3115P + ? a. 4He
A: For the reactant 31 14Si of the decay reaction, the atomic number is 14 and the mass number is 31.…
Q: 4. An ancient club is found that contains 150 g of pure carbon and has an activity of 4 decays per…
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Q: Living matter has 1.3 x 10-10 % of its carbon in the form of C-14 which has a half-life of 5730 yr.…
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Q: 235U is radioactive, with a long half-life of 704 million years. The decay products of a 235U…
A: 235U92 has the half-life of 704 million years. But decay products of 235U92 have half-lives of a few…
Q: Four patients receive radiation therapy Patient Radiation Dose (Gy) RBE X-rays 0.02 1 B Alpha 0.02…
A: A. For patient A, energy absorbed = 0.02 For B = 0.02x10 = 0.2 For C = 0.05x2 = 0.1 For D = 0.04 x1…
Q: 235 8) 92 U + 'on à. 139 56 Ва + 93 Kr, TYPE +
A: For (8) The required balance equation will be: U92235+n01 →4n01+B56139a+K3693r
Q: Select the product nucleus resulting from the alpha particle decay of: 237 Np 93 a. 233 Pa 91…
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- 3. An ancient club is found that contains 150 g of pure carbon and has an activity of 4.5 decays per second. Determine its 14 C age assuming that in living trees the ratio of atoms is about 1.20 x 10-12. Note that the half life of carbon-14 is 12C 5700 years and the Avogadro number is 6.02 x 1023. years cei16 oct#11.7. One of the many isotopes used in cancer treatment is 198 Au, with a half-life of 2.70 d. Determine the mass of this isotope that is required to give an activity of 225 Ci. mg VJSS f60 ssf ( sf60 ssf
- 58. . Radiation treatment of prostate cancer. In many cases, BIO prostate cancer is treated by implanting 60 to 100 small seeds of radioactive material into the tumor. The energy released from the decays kills the tumor. One isotope that is used (there are others) is palladium (10°Pd), with a half-life of 17 days. If a typical grain contains 0.250 g of 10°Pd, (a) what is its initial activity rate in Bq, and (b) what is the rate 68 days later?b) What type of decay is happening in the equation below? State two of the conservation laws that apply and explain how they are satisfied 238 92 U 234 Th + 4 a 90 2 c) Use the graph below to calculate the half-life of Protactinium 234, explain how you got your answer. Half Life of Protactinium 234 50 40 30 20 10 222222° 80 70 60 Activity (Bq) 0 20 20 40 40 60 80 100 120 140 160 Time (seconds)Question 4 Use the following data to calculate the binding energy per nucleon in MeV of the Rhodium-103 nuclide Mass of Rh atom = 102.905503 u 103 45 %3D Mass of proton = 1.007276 u Mass of neutron = 1.008664 u %3D Mass of electron = 0.00054858 u %3D 1u = 931.494 MeV [2.2] Question 5