Lead-210 decays through the pathway B, a, B, B, B, a what is the final nucleus formed after these decays? A) 1Pb 82 B) 1Pt 78 C) 202T1 82

Q: The carbon-14 decay rate of a sample obtained from a young tree is 17.2 disintegration per minutes…

A: Given : T1/2 = 5715 years.

Q: * S -75 Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in…

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Q: 23U → 206 Pb + 8 ĝa + 6_{ß The nuclear reaction is balanced O The nuclear reaction is not balanced

A: Nuclear reaction-is the change in characteristics of an atomic nucleus which induced by bombarding…

Q: Complete the following nuclear equation: 238 234 4. U ------> Th Не 92 90 beta particle X-ray O…

A: The alpha decay is a type of decay in which the decomposition of the parent nucleus results in…

Q: In the reaction 1/0n+235/92U→94/38Sr+140/54Xe+1/0n+1/0n, the neutron and nucleus have a larger mass…

A: The reaction is an example of nuclear fission reaction. In this reaction the masses of the reactants…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

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Q: a Complete the following nuclear reactions. 48 48 Ca → ? + Sc 20 O He -1e bC+H + ? +He 10 B 5 OBe B…

A: a) -1e0 b) 5B10 c)-1e0

Q: A radioactive isotope has a half-life of 11 minutes.  How many grams of a 18.68 g sample remain…

A: Given Half life = 11minutes = 11*60= 660 second Sample weight = 18.68g Time = 44 minutes = 44*60=…

Q: 17. lodine - 131 gives off radiation to become Xenon - 131. What type of radiation has been…

A: There are following important decays take place - (1) Alpha decay - When alpha decay take place,…

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: 8. How long does it take for 65.0% of each isotope to decay? Half-Life 27 s 11.5 min 14.8 h 2.1 X…

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Q: Bi-191 has a half-life of only about 12 seconds. A large radioactive sample contains only 6.2 x 109…

A: Half life of Bi-191 = 12 sNumber of atoms of Bi-191 = 6.2 x 109 atomsNumber of moles of Bi-191 = ?…

Q: 1. Phosphorous - 32 has a half - life of 14 days.  After how many days will a 1000 mg sample decay…

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Q: 231y The isotope 23 Pa undergoes a series of a and 8 decays, ending up as 20 Pb. Overall during this…

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Q: how many alpha particles are produced as one atom of Am-243 decays to one atom of TI-205? How many…

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Q: 10. If plutonium-244 nucleus is produced? b) Ac a) 26 Ra decays by successive a, ß, ß, a emissions,…

A: Nuclear reactions involve the emission of alpha, beta, and gamma radiation. The net atomic number…

Q: a. Complete the following nuclear equation by supplying the missing particle: 48 48 20 Ca → ? + 21…

A: Since, Balanced nuclear reaction means number of proton in both side is equal and also mass number…

Q: If the half life of a radioactive isotope is 3 minutes, how much of an 8 Ci sample would remain…

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Q: 41 is a radioactive isotope of americium types of smoke detectors. It has a half years and decays…

A: Nuclear chemistry can be defined as the branch of chemistry that deals with radioactivity, nuclear…

Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 gg of 32P32P, how many grams will…

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Q: Carbon-11 radioactively decays by positron emission with a half-life of 20.4 minutes. If a dosage of…

A: Given that : The half-life of carbon-11 = 20.4 min We have to calculate the % of carbon-11 will…

Q: Protactinium is usually extracted from used nuclear fuel. It is known to possess high toxicity, and…

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Q: An unknown radioactive element decays into non-radioactive substances.  In 660 days the…

A: Rate constant (k)= 2.303/t log 100/49 So k = (2.303/660) ×0.3098 =0.0011 days ^-1

Q: Complete the indicated decay: a. Alpha decay: ?C → yields 12 yields b. Beta decay: Те -> 1287 52…

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Q: What is the correct symbol that is missing from the radioactive decay reaction below, and what type…

A: In decay reaction, we have to balance both atomic number and mass number.     We know Helium  is…

Q: Which of the following completes the nuclear decay equation given below? 238U → 234TH+ ? He B 210Po…

A: Solution-        Decay energy :       Alpha decay is observed for the elements heavier than lead and…

Q: Balance the following nuclear reaction: 96 148 Ce O a. 58 O b. 151 Ce 58 148 Xe C. 58 O d. 148 Xe М…

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Q: If 24% of a certain radiolsotope decays in 6.5 years, what is the half life of this isotope?…

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Q: For the same radioactive isotope as in the previous problem, which has t1/2 = 38.7 hr, %D how many…

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Q: How long does it take a 11.1 : 108 Bq sample of gold- 198 to decay so that only 1.39 : 108 Bq…

A: Given: Initial amount, A0=11.1 : 108 Bq After the time 't', the amount, A= At=1.39 : 108 Bq

Q: Polonium is a radioactive isotope which decays by the loss of an alpha particle. 21284Po ---> 42He…

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Q: Nuclear reactions that continue because they form particles that carry on the reaction are called A…

A: Welcome to bartleby !

Q: For the reaction below, choose the answer that correctly completes the nuclear reaction. Li+ →2;He…

A: Nuclear reaction: A nuclear reaction must cause a transformation of at least one nuclide to another.…

Q: Radioactive isotopes can be used to calculate the age of materials because their decay rates are A…

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Q: How many days will it take for ₈₈Ra with half  life of 15 days decay from 2 mole to 0.5 mole

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Q: Vhat is the energy released in this nuclear reaction 0+n → C+He? (The atomic mass of O is 16.999132…

A: Applying formula ∆E =∆m×931MeV

Q: How many days will it take for 88Ra with half life of 15 days decay from 2 mole to 0.5 mole

A: As we know nuclear decay follow first order kinetics and we know that half life of first order…

Q: 94 Pu 244 is a radioactive nuclide. When one of these atoms undergoes spontaneous fission,82Pb 208,…

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Q: What the hindrance factor for the alpha decay of 261Rf?

A: The hindrances factor, F, in alpha decay is defined in terms of constants A and B which are…

Q: What kind of nuclear radiation is this? 65 65 0 952 Ky → 9³L + e 32 33 -1

A: Here we are required to find the kind of nuclear radiation .

Q: f 10.0mg of I-131 exists, how much will be left after 32 days?  (1/2 life of I-131 = 8 days)

A: Given : Initial mass of I-131 = 10.0 mg Half life = 8 days And time passed = 32 days.

Q: What isotope results from a decay of the americium-241 in smoke detectors?

A: Isotope  They are the different forms of any chemical element in which the number of protons are…

Q: In a nuclear reactor, the excess neutrons produced from fission are absorbed by elements, preferably…

A: Those materials can be used to absorb neutrons in a nuclear reactor which will form most stable…

Q: If the half-life of a radioactive substance is 4 days how much material will remain after 16 days if…

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