How long can a 54-lb child be exposed to 1.0 mCi of radi-ation from 222Rn before accumulating 1.0 mrad if the energy ofeach disintegration is 5.59 MeV?

Q: 1) If the activity of a purely radioactive sample of 55Fe measured to be 0.5 mCi. What is the number…

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Q: If 200. mg of fluorine-18 is shipped at 8:00 A.M., how many milligrams of the radioisotope are still…

A: The term radioactive substances can be defined as the atoms which have the tendency to decay…

Q: To measure the volume of the blood system of an animal, the following experiment was done. A 1.0-mL…

A: Let the volume of the blood be V. The initial total volume of the blood is 1+V. Since the activity…

Q: How long can a 54-lb child be exposed to 1.0 mCi of radiation from 222Rn before accumulating 1.0…

A: How long can a 54-lb child be exposed to 1.0 mCi of radiation from 222Rn before accumulating 1.0…

Q: from the electron capture of (A)-168 is a daughter muclide with

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Q: ) Which of the following nuclei would you expect to exhibit a stability? Show your solution and…

A: We have to tell which of given nucleus is more stable

Q: A radioisotope of argon, Ar, lies below the "band of stability." One would predict that it decays…

A: The radioisotope lies below the band of stability means that the isotope contains lesser number of…

Q: Write a nuclear equation for the decay of iridium-192 with β and γ emission. Iridium implants have…

A: The emission of a beta (β) particle causes no changes in mass number but increases the atomic number…

Q: Radioactive cobalt-60 is used extensively in nuclear medicine as a ɣ-ray source. It is made by a…

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Q: DRAW the decay scheme for 84Rb37.

A: Rb is an isotope of element Rb with atomic number 37 and mass number 84.  It undergoes decay to…

Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 1 used…

A: As per our guidelines, we are supposed to answer only one question as multiple questions have been…

Q: How long (in hours) would it take to disintegrate 3.17 × 1017 atoms from a 12.0-mCi (millicurie)…

A: Activity = 12.0 mCi = 12 * 10-3 Ci

Q: Which parent include would give rise to the daughter include Na-20 by positron emission?

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Q: A 6310 Ci 60^Co source used for cancer therapy is consider too weak to be useful when it's activity…

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Q: write balanced nuclear equations for the position decay of the following radionuclides

A: Positron is positively  charged electron , that is it carries +ve charge and is represented as β+ or…

Q: The decay of a radionuclide with a half-life of 4.3 x 105 years has a rate constant (in yr-1) equal…

A: Given, Half Life (t1/2) = 4.3 x 105 years  Rate constant (k) = ? yr-1 All the Radioactive decay or…

Q: Silicon-32 is a beta emitter with a half-life of 650.0 years. How long would it take for a 8.00g…

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Q: A blood-volume determination was carried out on a patient by injection with 20.0 mL of blood that…

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Q: The half-life of 232Th is 1.4 x 100 yr. Find the number of disin- tegrations per hour emitted by 1.0…

A: Some nuclei are unstable and undergo a loss of energy in the form of radiation. This process is…

Q: Over geological time, an atom of 238U decays to a stable 206Pb atom in a series of eight alpha…

A: Given: Half-life of 238U    = 4.47 x 109 years Volume of helium = 9.0 x 10-5 cm3 at 0 oC and…

Q: 24Na (k = 0.0462/hr)? %3D What would be the activity in Curies of a 50 mg sample of

A: Given data Mass of Na = 50 mg Rate constant value: We know that following Atomic mass of Na = 22.9…

Q: If the half-life of waste is 8 years with mass 100mg, how many grams will remain in 32 years?

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Q: Xenon-135 is especially troublesome because, (a) It can lead to transient prompt supercritical. (b)…

A: Welcome to bartleby!

Q: Write balanced nuclear reactions for the following: (a) Formation of Am-241 through ß-emissions.…

A: (a) Formation of Am-241 through ß-emissions. 24194Pu --------> 24195Am  + 0-1ß

Q: If 6.4010⁻⁹ mol of ¹⁷⁶W emits 1.07X10¹⁵ in 1.00 h,what is the decay constant?

A: The relation between K and N is shown below. A=K×N Here, K is the decay constant and N is the number…

Q: Aside from KClO4, what are the blocking agents used in Nuclear Medicine?

A: The blocking agents used in nuclear medicine has to be given.

Q: A 25.0-mL sample of 0.050 M barium nitrate solution wasmixed with 25.0 mL of 0.050 M sodium sulfate…

A: (a)

Q: The disintegration energy of the decay30 P15 by position emission is 4.30 Mev.  The daughter…

A: Given,  disintegration energy = 4.30 Mev  mass of Si = 29.97396 u  Mass of positron, 0e+1 = 0.000548…

Q: List the six stages in the nuclear fuel cycle. Which stage(s) of the nuclear fuel cycle does…

A: Interpretation: 1. To list six stages in the nuclear fuel cycle 2. To which stage of the nuclear…

Q: 210 Calculate the dose equivalent rate 1.6 m from an unshielded 3.0 x 10" Bq ²1º Po – Be source…

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Q: Which of the following is the most likely decay mode for 24 Cf? 98

A: For 248Cf98 the number of protons and neutrons are calculated as : Number of protons = Atomic number…

Q: Sodium-24 (ty = 15h) is used to study blood circulation. If a patient is injected with aqueous…

A: The activity use the first order formula , we can calculate it for 4 days.

Q: 180m TI 150 TI + ? 173 173 Express your answer as a nuclear symbol.

A: According to the question, We have the nuclear reaction:  180173Tl   ---->  180173Tl

Q: Consider the following:  48Ar; 98Rh; 190Os; 243Am Will all four undergo radioactive decay?

A: Stable nuclei which have atomic numbers up to about 20, have an n/p ratio of about 1:1 . Nuclei…

Q: A sample of the inner part of a redwood tree felled in 1874 was shown to have 14C activity of 9.31…

A: The integrated rate law of first order is shown below: Where; A = final activity A0 = initial…

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: The sample of 4x.is a B emitter has an activity of 0.5 uCi. In10 days the activity of the sample has…

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Q: How long will it take for 500 g of ºSr to decay to 125 g?

A: Given details, 500 g of 90Sr decay to 125 g. To calculate the time t.

Q: A sample of 16? 35 , a ß-emitter, has an activity of 0.100 μCi. In 20.0 days, the activity of…

A: Radioactive follows first order kinetics, If λ is the disintegration constant, t is time at which…

Q: Write equations for the OF Radioactive decay. a. d 230 emission by 924 b. B emission For the…

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Q: A radioisotope of argon, 37Ar18, lies below the “band of stability.” One would predict that it…

A: Isotopes are elements having the same atomic number but different atomic mass compared to that…

Q: .Determine the decay constant of 1 g of pure K40 that is experimentally determined  to emit about…

A: According to the question we have to calculate the decay constant for the potassium and the given…

Q: What is the mass-defect of nickel N-62(atomic number=28, atomic weight =61.928345

A: The mass defect is the difference between the mass of a given nucleus and the total mass of its…

Q: Which of the following are transuranium elements? Choose all that apply. Rb Lr V Bh In

A: The transuranium elements are the chemical elements with atomic numbers greater than 92 , which is…

Q: State the properties of beta partide. Phosphorus 3215P is beta radioactive with a half-life of 1.50…

A: β particles are light and can be either negatively (β-) or positively (β+) charged particles.…

Q: The reaction p+188O→189F+n requires an input of energy equal to 2.438 MeV . What is the mass of…

A: In a nuclear fission reaction, the bombardment of a heavier nucleus by the lighter particles such as…

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.