5(a) How do NOx and SOx gases contribute to acid rain? 5(b) Curium-243 undergoes a decay to plutonium-239: 243 Cm→ 23°PU+alpha Masses: 234Cm = 243.0614 amu, 239Pu = 239.0522 amu, “He = 4.0026 amu %3D %3D (i) What is the mass defect, Am (in kg)? (ii) Calculate the energy released in joules.

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Q: What is the half-life of phosphorus-28 if 0.537 seconds are required for the activity of a sample of…

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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: The isotope 185Hf undergoes B decay with a half-life of 3.50 min. (a) What isotope is produced by…

A: All radioactive decay process follow 1st order kinetics.

Q: The isotope 232Th decays to 208Pb by the emission of six alpha particles, with a half-life of 1.39 ×…

A: Given: Final amount of thorium = 7.4 mg Volume of helium gas     = 4.9 x 10-3 cm3 Half life of decay…

Q: (7) Carbon-14 dating is used in archeology to determine the age of items that were alive or were…

A: First, we need to know the half life of carbon-14, which is approximately 5,730 years. The…

Q: Write a partial decay series for Rn-220 undergoing the sequen- tial decays: a, a, B, B.

A: To find: The partial decay series for Rn-220 undergoing the given sequential decays.

Q: What is the half-life of lead-210 if 47.4 years are required for the activity of a sample of…

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Q: 3 A twig from a bristlecone pine tree is found in a sedimentary layer, and its age is to be…

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Q: 9. Estimate the age of pollen found in peat swamps left by a glacier. ASsume that only 1/8 of the…

A: All natural and artificial radioactive decays follows first order kinetics The half life (t1/2) in…

Q: This figure' shows that the decay "chain" starts with an a decay of 2Ac to produce "Fr, which itself…

A: #Q.2: Given the half-life of Ac225, t1/2  = 9.9 days  Initial mass of Ac225 taken, No = 0.450 mg

Q: Calculate the half-life of a radioisotope if it takes 24 years for a sample to decay to 12.5% of its…

A: Radioactive decay follows first order kinetics. Half-life is the time taken by a radioisotope to…

Q: 2. The sample of 355, is a - emitter, has an activity of 0.100 μCi. In 20.0 days, the activity of…

A: radioactive disintegration follow first order kinetics

Q: If the half-life of Xe-133 is 5.2 h, what will be the activity of the initially 20.-mCi sample after…

A:

Q: The isotope 166-Yb decays by electron capture with a half-life of 57 hrs. What percentage of the…

A: We have to calculate the percentage of isotope left

Q: An ancient wooden artifact was found in 1960 from an archeological site in Clovis, New Mexico. A…

A: Calculation of mass of 'C' in 1.00 g sample of BaCO3: Mass of 'C'=No. of mol×Molar mass=1.00 g197.34…

Q: Uranium-238 undergoes eight consecutive a-emissions to give stable lead. In an uranium ore sample,…

A:

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: Chemistry The 35S atom on a radiolabeled amino acid, methionine, has a half-life of 87.4 days. What…

A: In a radioactive element, the decay of the nucleus of the element takes place due to the imbalance…

Q: 5-34. The isotope Cu is unusual in that can decay by y, B*, and ß“, emission. What is the resulting…

A: The gamma decay can of can be given as : The resulting nucleotide   is in lower energy state.

Q: A sample of (_16^35) , a ß- emitter, has an activity of 0.100 µCi. In 20.0 days, the activity of the…

A: Given data, [A] = 0.0853 μCi[A0] = 0.100  μCit = 20 days Calculating the half-life of a sample.

Q: If 180. mg of fluorine-18 is shipped at 8:00 A.M., how many milligrams of the radioisotope are still…

A: Given information: Initial concentration of fluorine-18 is 180 mg. Half-life is 109.7 min The rate…

Q: Determine the change in energy (in kJ/mol) of the given nuclear fission reaction. 230 Pu + in → 134…

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Q: Calculate the binding energy of 1 mole of 14C nuclei. The experimentally determined mass of a…

A: 5. Use below formula,

Q: The ratio between the number of tritium ({T; radio active isotope of hydrogen) and hydrogen in water…

A: Answers are explained below.

Q: What is the energy associated with the formation of 4.75 g of "He by the fusion of 3H and 1H?…

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Q: Chamistry

A:

Q: What is the half-life (in years) for a radioactive isotope with a rate constant of 6 yr1? Do not…

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Q: The isotope 208Tl undergoes β decay with a half-life of 3.1 min.  How many minutes will it take for…

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Q: The radioactive decay of Radon-222 follows a first order differential dA/dt = - kA where A is the…

A:

Q: 10.6. A sample of S, a ß- emitter, has an activity of 0.100 µCi. In 20.0 days, the activity o the…

A: Given,  Initial amount, [A]0 = 0.1 µCi  Final amount, [A] = 0.0853 µCi  Time, t = 20 days

Q: Cobalt-60 is a radioactive isotope that is widely utilized in nuclear medicine as a -ray source. It…

A: Given that, the half-life of Co-60 is t1/2 = 5.27 years. a. We have to the time that it will take…

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

A:

Q: Calculate the disintegration energy released by B-decay of Na (atomic mass , 24.98995 u). The atomic…

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Q: The hat life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x10^10 years. Suppose…

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Q: [8] A sample of °Kr (t1/2 = 32 s) is to be used in a study of a patient's respiration. How soon…

A: Solution  t1/2 = 32 s

Q: Fluorine-18 (18.0009373 g/mole) decays into oxygen-18 (17.9991596 g/mole). Calculate energy…

A:

Q: What is the half life of a 100 g sample of nitrogen- 16 that decays 12.5 in nitrogen-16 in 21.6 s?

A:

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 =…

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A: From the half-life of carbon rate constant can be calculated as; lnNN∘=-kt Where, N is the number of…

Q: Nickel-63

A: We will use first order kinetics formula to get the answer

Q: If pure polonium-210 (k = 5.02 x 10-3 day-1) were used in a crime, based on radioactive…

A: Given: Rate constant of decay = 5.02 × 10-3 day-1  And the amount of isotope decayed = 30% of the…

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.