Calculate the AE in kJ/mol for the transmutation of M using the given molar masses: 189M74 185Q72 + 4HE2 185.0093 4.0026 189.0091 molar masses, g/mol:

Q: 235U + 92 on 140 Ва + 56

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Q: = 176.5 h) to decay. Use the Calculate the time required for 46.80 % of a sample of X (t, formula…

A: Given : Half life i.e t1/2 of reactant (radioactive isotope) = 176.5 hr. And percent of reactant…

Q: A. time for amount of radionuclide to decrease to 1/16 of initial amount radionuclide initial…

A:

Q: Provide a response to the information below   When a bigger unstable atom breaks into a smaller…

A: An atom is the basic and fundamental unit of matter. An atom consists of electrons and the nucleus…

Q: A sample of F-18 has an initial decay rate of 1.5 * 105 dis>s. Howlong will it take for the decay…

A: The given data contains, initial rate A0 = 1.5×105 dis s-1Final rate A=2.5×103 dis s-1 t1/2 = 1.83…

Q: A patient is injected with 7.58 μCi7.58 μCi of radioactive iodine‑131 that has a half‑life of…

A:

Q: Age of the Earth. Suppose that at the formation of the Earth there were equal amounts of 235U and…

A:

Q: PET studies require fluorine-18, which is produced in a cyclotron and decays with a half-life of…

A: The maximum distance that the cyclotron can be transported has to be given,

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: Radium‑226226 (atomic mass = 226.025402 amu226.025402 amu) undergoes α‑decay to form radon‑224.224.…

A: Given:  Half life(t1/2) = 1.6 x 103 years Half life(t1/2) = 1.6 x 103 x 365 days Half life(t1/2)…

Q: Exactly 0.1 of the radioactive nuclei in a sample decay perhour. Thus, after nhours, the fraction of…

A: (0.900)n = 0.5 taking lag of both side  n x log 0.900  = log 0.5 n = log 0.5 /log 0.9 n  = 6.58 hour…

Q: A shell fossil that originally contained 100 mg of carbon-14 non contains 75 mg of the isotope.…

A: Initial amount, [A]0 = 100 mg  Final amount, [A] = 75 mg  Half-life, t1/2 = 5570 years

Q: A freshly purified 2.00 g sample of the alpha particle emitting radionuclide 244 Am is prepared then…

A: Mass of radionuclide = 2.00 gVolume of evacuated container = 0.100 LTemperature = 25 °CPressure =…

Q: Use the radioactive decay curve of iridium-192 to answer the three questions A. If the initial…

A: Radioactive decay is the procedure in which the energy of an unstable atomic nucleus falls by…

Q: Write a partial decay series for Th-232 undergoing the sequen- tial decays: a, B, B, a.

A: A  partial decay series for Th-232 undergoing the sequence decays α,β,β and α has to be given.

Q: The following are factors that influence the penetration activity of radiation through a barrier…

A: Following factors influence the penetrating power of a particle.  i.e. the penetrating activity of…

Q: Calculate the ΔE in kJ/mol for the transmutation of M using the given molar masses:…

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Q: A) A piece of charcoal that has one-half the radioactivity of a living tree died approximately 5,568…

A: Radioactive decay follows first order kinetics. It has the following relation between t1/2 and k: k…

Q: Radium‑226 (atomic mass = 226.025402 amu) undergoes α‑decay to form radon‑224. The half‑life of this…

A:

Q: Stellar fusion of Hydrogen into Helium is a multistep complex process which may be summed up may be…

A: Kindly note that this is unit of mass       MeV/c²

Q: A sample of Uranium-234 has been decomposing. If the original mass of 234U is 2.57milligrams, how…

A:

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

A:

Q: Calculate the ΔE in kJ/mol for the transmutation of M using the given molar masses:…

A:

Q: Calculate the valuesof x and y and the energy released when 5kg of 23892U undergoes fusion according…

A: Given, The equation: 23892U + 10n  ➡  14156Ba + x(9236Kr)+ y(10n) molar Masses of 23892U = 235.04u,…

Q: dentify the missing species in the following nuclear transmutation. Mo-100 (?,2n) Tc-99

A: Nuclear transmutation is the conversion of one chemical element or an isotope into another chemical…

Q: Calculate the time required for 23.40 % of a sample of 110X (t1/2 = 15.2 h) to decay. Use the…

A: For first-order kinetics,                                                  ln[A]t[A]o= -kt…

Q: A patient is given 1.11 ug of a radioactive isotope with a half-life of 3.13 hours. How many hours…

A: (a). Given: The initial amount of the radioactive isotope, [A0] = 1.11 μg The remaining amount of…

Q: Iodine-125 (¹251) is used to treat, among other things, brain tumors and prostate cancer. It decays…

A:

Q: 2 mol of beryllium-8 nuclei combine to form 1 mol of oxygen-16. The mass decrease is 0.0157 g.…

A: Solution Nuclear reactions, like chemical reactions, ar in the middle of changes in energy. The…

Q: Nickel-57 undergoes β+ decay (t1/2 = 36.0 hr) to form cobalt-57. How long will it take for 0.150 mol…

A: Radioactive decay is related to first order kinetics. For first order reaction: First order…

Q: 2 mol of beryllium-8 nuclei combines to form 1 mol of oxygen-16. The mass decrease is 0.0157 g.…

A: E = ∆m x c2 Where, E = energy in J; ∆m = mass decrease in kg and c = velocity of light

Q: Write the nuclear reaction of I-131 that undergo alpha, alpha, alpha, beta, positron emission, gamma

A: Product is tin

Q: A 1.50-L gas sample at 745 mm Hg and 25.0° C contains 3.55% radon-220 by volume. Radon-220 is an…

A: In the gas sample, volume of radon-220,V = 1.50 x 0.0355 = 0.053 L.

Q: Radium-226 (atomic mass - 226.03), the only naturally occurring isotope of this element, follows the…

A: Since the half-life of the 2nd and 3rd decay are very small in comparison to the 1st one, the 2nd…

Q: A certain substance is known to decay at a rate proportional to the present amount. Initially, there…

A: Radioactive decay is the first order reaction.The half life time for a radioactivedecay is given by…

Q: If we assume that the initial activity of the progeny is zero, derive the time at which N2 is a What…

A: The given serial radioactive decay expression is of successive radioisotope decay system. These can…

Q: The half life for the decay of carbon-14 is 5.73 × 10° years. Suppose the activity due to the…

A: Given: Half-life of carbon-14 decay = 5730 years. Activity of carbon-14 in the sample = 90 Bq. And…

Q: PET studies require fluorine-18, which is produced in a cyclotron and decays with a half-life of…

A: The decay process has an exponential decay, which in this case means that every 1.83 hours, half the…

Q: The half life for the decay of carbon-14 is 5.73 × 10’ years. Suppose the activity due to the…

A: We have to calculate the age of artifact.

Q: The half-life of strontium−90 is 29.1 years. Calculate the radioactivity in millicuries of 11.5 mg…

A: Given, Half life of strontium, t1/2 = 29.1 yr Mass of strontium = 11.5 mg = 0.0115 g    (1 mg =…

Q: A decay sequence for a radioactive atom of radon 219 to stable lead 207 atom is as shown below.…

A: Radioactive deacy is the spontaneous breakdown of atomic nucleus from nucleus and release energy and…

Q: Duestion 4 How much energy is released by the decay of I gram of 2307h in the following reaction.…

A:

Q: How much faster does 235 UF6 effuse than 238UF6? A) 1.0086/1 B) 0.9957/1 C) 1.0043/1 D) 0.9914/1 E)…

A:

Q: Thoron has a high average annual radiation dose according to the graph. Iti eavy radioisotope formed…

A: No

Q: Complete the nuclear reaction below and calculate the threshold energy of reaction that is product…

A: Nuclear reaction: In a nuclear reaction, unstable nuclei convert into another element by producing…

Q: 224 Ra прис -> 210 Pb + ¹4C. (b) Estimate the half-lives for these two possible decay

A: GIVEN REACTION: 224Ra →210Pb + 14C Atomic Mass of 224Ra = 224.020 a.m.u Atomic Mass of 210Pb =…

Q: Phosphorus-32 (3215P) decays by beta emission and it has a half-life of 14.3 days. Determine the…

A: Answer - The correct option is (A) 5.2 x 104 Ci

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.