A radioactive sample contains 3.01×1018 atoms of a nuclide that decays at a rate of 3.28×1013 disintegrations per 15 min. What percentage of the nuclide will have decayed after 171 days. percent decayed=   % How many atoms of the nuclide will remain in the sample? ?t=   atoms What is the half‑life of the nuclide? ?1/2=

Q: A radioactive isotope has a half life of 98.9 minutes. How long will it take for the radiation from…

A: Given , Half life = 98.9 minutes Initial concentration = 325 pCi Time ,t = ?

Q: The isotope 208 Tl undergoes Beta- decay with a half-life of 3.1 minutes. Calculate the amount…

A: Given, T208I undergoes beta decay. T1/2= 3.1 min initial concentration , CA0= 41.4 g time , t =…

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

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Q: A freshly prepared sample of a certain radioactive isotope has an activity of 10.2 mCI. After 3.70…

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Q: 1. Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 76 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: Given : Half life=12 hr Initial amount, [A]o=76 mg The final amount, [A]=? Time, t=3.5 days= 3.5 x…

Q: A radioactive isotope has a half life of 17.4 minutes. How long will it take for the radiation from…

A: Half life is a time taken to half the concentration of the substance present. here , the radioactive…

Q: A radioactive sample contains 1.55 g of an isotope with a half-life of 3.8 days. What mass of the…

A: The process in which energy is lost by unstable atomic nucleus via radiation is known as radioactive…

Q: Nuclide X has a higher rate of decay than nuclide Y.  Based on this information, which of the…

A: B) Nuclide Y has a larger half-life than nuclide X. C). Nuclide X is less abundant than nuclide  Y.…

Q: If the half life of a radioactive element is 32.8 years, how many years will it take for a sample to…

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Q: Q5. The chart shows the mass of a decaying nuclide versus time. What is the half-life of the decay?…

A: The decay constant (k) can be determined by the following equation; k=-1tlnNN0 Here, N is the amount…

Q: A patient receives 9.2 ng of a radioisotope with a half-life of 12 hours. How much will remain in…

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Q: the equations for the following induced nuclear reactions: (a) As (d, 2n) X? (b) iMg (d, a) X? (c)…

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Q: 3. The natural decay series starting with the radionuclide 23U follows the sequence represented…

A: there are various radioactive decay process

Q: The radioactive nuclide, 21Na, with a half-life of 23 s, undergoes decay by emitting a positron.…

A: It is given that 21Na is undergoing positron emission the general equation is, XZA → XZ-1A + β+10

Q: How long will it take for a 40.0-gram sample of Iodine-131 to decay to 1/16th of its original mass?…

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Q: 2. A radioactive sample contains 9.5 x 1017 atoms of a nuclide that decays at a rate of 5.4 x 1013…

A: Radioactive disintegration follows first order kinetics.

Q: Iodine-125 (125I) is used to treat, among other things, brain tumors and prostate cancer. It decays…

A:

Q: Iodine‑125 (I125I125) is used to treat, among other things, brain tumors and prostate cancer. It…

A: Answer is as follows

Q: A sample of Tl-201 has an initial decay rate of 5.88 × 10^4/s. How long will it take for the decay…

A: First, the rate constant value is determined by using the given half life period.

Q: A certain radioactive material is known to decay at a rate proportional to the amount present. If…

A: Consider the given information is as follows; Initial amount N0 = 500 mg Amount after 3 Nt years =…

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

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Q: Use the table below to answer the questions. In your own words, define half-life. b. Which isotope…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years. What is the…

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Q: A 56 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: Consider the given information is as follows; Half-life of the nuclide t12 = 12 hours Initial amount…

Q: 1.50 moles of a radio nuclide emits 3.09 x 1010 beta particles per second. assumed that each beta…

A: Here 1.5 moles of radio active nuclide emits 3.09×10^10 beta particles per second. We have to…

Q: Assuming that many radioactive nuclides can be consid-ered safe after 20 half-lives, how long will…

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Q: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission

A: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission.

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

A: Since the decay reactions are first order. Hence half life = ln(2) / K  where K = decay constant…

Q: A radioactive isotope has a half life of 60.2 minutes.How long will it take for radiation from a 325…

A: The radioactive decay of an isotope follows a first-order reaction, The integrated rate law for a…

Q: A certain radioactive nuclide has a half life of 8.00 hour(s). Calculate the rate constant for this…

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Q: Bromine has a half-life of 36 hours. A sample containing Br-82 was found to have an activity of…

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Q: A radioactive sample contains 9.5 x 1017 atoms of a nuclide that decays at a rate of 5.4 x 1013…

A:

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

A:

Q: A radioactive isotope has a half life of 83.3 minutes. How long will it take for the radiation from…

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Q: Two-part question, thank you in advance Phosphorus-30, which has a half-life of 150 seconds, decays…

A: For a first order reaction, the expression relating the rate constant of the reaction with initial…

Q: A radioactive sample contains 3.81 × 108 atoms of a nuclide that decays at a rate of 3.75 × 1013…

A: Activity depends on no.of particles of disintegrating nuclei and is expressed as, All radioactive…

Q: The radioactive nuclide ⁶⁰₂₇ Co has a half-life of 5.27 years. Calculate the mass of ⁶⁰₂₇Co that…

A: Given,

Q: A radioactive isotope has a half-life of 84.5 minutes. How long will it take for the radiation from…

A: Half life t1/2 = 84.5 min = 5070 s

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A: Type of radioactivity shown by carbon-14 is β- and the reaction is shown shown below.

Q: radioactive sample contains 9.5 x 1017 atoms of a nuclide that decays at a rate of 5.4 x 1013…

A: We have to find half -life of nuclide

Q: A freshly prepared sample of radioactive nuclide undergoes 3312 disintegrations per second. After…

A: The radioactive reaction is first order reaction hence, it will follow first order of kinetics as-…

Q: The activity of a particular radioactive nuclide falls from 1 × 1011 Bq to 2 × 1010 Bq in 10 hours.…

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Q: Nuclear reactions Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

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

Q: A 58 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: