Arsenic-76 decays by beta emission, If 1.8x10 mol of 70As emits 2.1x1012 beta particles per second, find the specific activity in Ci/g (1 Ci = 3.7x1010 d/s). 4.15x10 17x10 3.15x10 3.70x1010 154x10

Q: Classify the following nuclear reactions by the type of nuclear decay represented. Alpha Decay 1{Na…

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Q: 10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of…

A: Given the half-life of the first-order decay, t1/2 = 6.5*105 yr For the first-order reaction, rate…

Q: Large, unstable nucleus Alpha a Decay (radioactive) 28 Al 13 Use periodic table here! Beta B Decay…

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Q: Select the isotope that has the greatest stability per nucleon. A. 56 Fe 26 B. 131 Xe 54 C. 23 Na…

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Q: What is the daughter particle of an alpha decay of 237/93 NP? A) 237/94 Pu B) 238/93 Np C) 233/91 Pa…

A: We know that, The radioactive decay in which the nucleus emit an alpha particle (He nucleus) is…

Q: Calculate the radiation dosage in grays for a 75-kg person who is exposed for a 4.0 s to a 3.0 Ci…

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Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: Given: The initial mass of iridium-192 = 4.75 g

Q: 128 Te undergoes an extremely rare form of radioactive decay know as double beta decay: 12TE - *Xe +…

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

Q: 125 Predict the modes of deca of 534 A. Alpha decay B. Positron emission C. Beta decay D. Gamma…

A: Given that : We have to predict he modes of decay of I53125 :

Q: The table below is a summary of different modes of nuclear decay. Fill in the changes in atomic…

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Q: Predict which of the following nuclides are likely to be radioactive (Briefly justify your choice)…

A: Some of the nuclides is radioactive because they have unstable atomic nuclei which is due the…

Q: 9. What particle is produced when Hg-188 decays and formed Au-188? a. Positron c. alpha d. proton b.…

A: 9. Write the reaction. Hg → 80188Au + 79188e10 This is a positron emission reaction. Therefore, the…

Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: It's a multiple part question type.   The given graph represents time and the percentage of…

Q: A sample of iodine-131 (t1/2 = 8.0 days) has an activity of 200. mCi. What activity is observed…

A: The rate of the reaction is referred to the change in the activity in the distinct interval of time.…

Q: The actual mass of a 60Co nucleus is 59.9338 amu.  What is the binding energy per nucleus in J?…

A: Number of protons in 60Co = 27. Number of neutrons in 60Co = 33.

Q: Calculate the radiation dosage in grays for a 71-kg person who is exposed for 9.0 s to a 3.0 Ci…

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Q: Consider the following decay series: a a14. Pb b 214. Bi C 214 Po 210 Pb se Po Which type of nudear…

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Q: The curie (Ci) is a commonly used unit for measuring nuclear radioactivity: 1 curie of radiation is…

A: activity (dN / dt) = 11.7 mCi = 11.7 / 1000 Ci = 0.0117 Ci = 0.0117 * 3.7 * 10^10 = 4.329 * 10^8…

Q: Which of the following reactions is an example of alpha particle emission? 40 40 19 K- Ar а. 18 90 Y…

A: A. In the first reaction an electron is captured and is a type of electron capture reaction. B. In…

Q: 90Y Predict the modes of decay of 39 A. Alpha decay B. Beta decay C. Gamma emission

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Q: The a-decay of 238U (t,/2 = 4.47x10°y) leads to 234TH (t/2 = 24.1d). A sample of uranium ore should…

A: Given, α decay of U238 to T234h. The isotopic abundance of U238 (natural) = 99.3 %

Q: 3. Each of the following nuclei undergoes either beta decay or positron emission. Predict the type…

A: When a nucleus shows beta-emission ,  atomic number increases by one. Hence new nucleus has atomic…

Q: A radioactive source consists of 6.4 x 10^11 atoms of a nuclide of a half-life of 2 days. A second…

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Q: Which of the following nuclei is most likely to decay by beta decay? Periodic Table of the Elements…

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Q: A worker in a laboratory unknowingly became exposed to a sample of radio-labeled sodium iodide made…

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Q: Below are four radioisotopes and the isotopes into which they decay. Tell what kind of radioactive…

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

Q: 14.10 What is the product nucleus for each of the following decay processes? (a) 67 Ga decays by…

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Q: 2. Classify each of the following nuclides as "probably stable", "beta emitter" or "positron…

A: The graph which is plot between the number of neutron and number of proton of stable nuclei shows…

Q: 48  of 48 How long for Ru-106 (half-life: 1 year) to decay down to 0.50% of its original amount? A.…

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Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: The graph between time and percent of sample remaining is given in the question.  We can estimate…

Q: A positron and an electron can annihilate each other on colliding, producing energy as photons: fe+…

A: Einstein’s energy equation is, E = mc2, Where, m= mass,  C = speed of light= 3 x 108 m/s2

Q: The table below lists information about the radioactive decay of three nuclides. Fill in the missing…

A: By using the given decay identify the daughter nuclei---

Q: 13) The activity of a radioactive sample is the number of decay events per second. The Sl unit of…

A: 13. Given information,      1 Ci = 3.70 × 1010/s1 Ci = 106uCi1 Bq = 1/s

Q: A chemist wishing to do an experiment requiring " Ca+ (half-life = 4.5 days) needs 8.0 ug of the…

A: Given, No = 8.0 microgram t1/2 = 4.5 days = 108 h t = 72 h

Q: 237Np decays to 209Bi. . How many alpha decays are involved in this decay series? Group of answer…

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Q: what is the energy deposited by an alpha particle while passing through a cell of size 10 μ

A: In this question we habe to explain what happened when the alpha particle passing through a cell of…

Q: 1. What is the minimum thickness of a shield made of iron with density (7.8 g/cm'), in order that no…

A: Given,  The energy of beta-ray pass through = 2.27 MeV Density of iron shield = 7.8 g/cm3

Q: which of the following nuclides are most likely to decay via positron emission? a) K-42 b)Al-24 c)…

A: For element, which n/p ratio is low so those will be stablize by emitting positrons.

Q: lodine-131, t2 = 8.0 days, is used in diagnosis and treatment of thyroid gland diseases. If a…

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Q: Consider the following decay series: d b. Bi Po C 214 210 Po Pb 218 a 214 214 Pb 82 84 82 83 84…

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Q: Calculate the radiation dosage in grays for a 59-kg person who is exposed for 6.0 s to a 3.0 Ci…

A: Mass of the person (m) = 59 kg Time of exposure (t) = 6.0 s Radioactivity = 3.0 Ci Energy of beta…

Q: minder - 18668 M Zoom link (period 4) - 18668@ O Empower 2021 A…

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Q: The curie (Ci) is a commonly used unit for measuring nuclear radioactivity: 1 curie of radiation is…

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Q: The following isotopes are all stable : 20Ne, Ne, 22Ne 10+ 10- While the following is not, so what…

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Q: (Q110) The first five steps of the decay of neptunium-237 are alpha, beta, alpha, alpha, beta decay.…

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Q: 2. Gold-198 is a beta emitter used to treat leukemia. It has a half-life of 2.7 days. The dosage is…

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Q: If a hospital purchased 58 mg of radioactive 131I (t1/2 = 8.05 d; beta emission) to treat a patient…

A: Since the radioactive decay reactions are first order reactions Hence we can say  1) Half life =…