Question 8 of 10 If the half-life of uranium 235 is 700 million years and you have 64 atoms of it, how many 700-million-year units of time will pass before 1 atom of uranium- 235 is left? O A. 6 О в. 4 О с. 2 O D. 5

Q: The half-lives of different radioisotopes are given in the table. Radioisotope Half-life (min)…

A: Given  Half life of Lead - 196     = 37 min  Initial Amount (A)0          =  64 mg Remaining Amount…

Q: If you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9% of the…

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Q: Technetium-99m, a metastable state of technetium-99 commonly used in nuclear medicine, has a…

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Q: Mercury-210 has a half-life of 10 minutes. How many minutes will it take for a sample of mercury-210…

A: The objective of the question is to find out the total time it will take for a sample of Mercury-210…

Q: One of the nuclides in spent nuclear fuel is UU-235, an alpha emitter with a half-life of 703…

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Q: 5. Carbon-11, used in medical imaging, has a half-life of 20.4 min. The carbon-11 nuclides are…

A: Answer: Relation between quantity of radioactive substance and n number of half lives is shown…

Q: 8. In the following reaction, what are the two Bronsted-Lowry bases? NH3(aq) + HCl(aq) NH(aq) +…

A: According to Bronsted and Lowry concept an Acid is a substance that has the tendency to donate a…

Q: The half-lives of different radioisotopes are given in the table. Half-life (min) 12 37 potassium-44…

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Q: Technetium-99m, an important radionuclide in medicine, has a half-life of 6.0 hours. What percentage…

A: Formula for radioactive decay is given as,

Q: 8. What mass of plutonium-240 will remain after 32,820 years if the initial sample contained 4.8 g…

A: No. of half lives = Total time/ half- lives n = 32820/6564 = 5 n = 5

Q: Cobalt-60 is a beta emitter with a half-life of 5.3 years. Approximately what fraction of cobalt-60…

A: The half life of cobalt-60 is = 5.3 year The fraction of cobalt-60 atoms will remain in a particular…

Q: 210Rn has a half-life of 2.4 hours. You have a sample that contains 24 g of 210Rn. How much 210Rn…

A: The relationship between the half-life, T1/2 and the decay constant is given by  or,  The…

Q: Hydrogen-3 has a half-life of 12.3 years. How many years will it take for 890.0 mg 'H to decay to…

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Q: A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life…

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Q: What mass of plutonium-240 will remain after 32,820 years if the initial sample contained 4.8 g of…

A: We know nuclear decay follows First order kinetics. we have to use the formula - t12=ln2K from this,…

Q: What is the half-life of uranium-234 if 4.49×10° years are required for the activity of a sample of…

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Q: 11047Ag → 0.je + 110 48Cd For the nuclear reaction Starting with 200. g of Ag-110 in a container,…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the…

Q: Radon has been the focus of much attention recently because it is often found in homes. Radon-222…

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Q: Isotope X has a half-life of 71.8 years. If a sample initially contains 676. mg of X, what mass of X…

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Q: Carbon-14 has a radioactive half-life of about 6,000 years. If an organism has 10 g of carbon-14 in…

A: Provided half life (t1/2)=6000year Also, provided time(t)=6000year Initial amount (A•)=10g of…

Q: lodine-131 is a radionuclide that is frequently used in nuclear medicine. Among other things, it is…

A: Sample mass of Iodine - 131 initially = 0.16 gram Half life of iodine-131 = 8 days We know that…

Q: If a rock sample was found to contain 1.27 x 10-7 mol of argon-40, how much potassium-40 would also…

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Q: Which cyclization should occur with a decrease in energy?  Why?

A: The reactions given are,

Q: "Pu nat fraction of pre

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.