The radioisotope tritium decays with a first-order rate constant k of 0.056 year−1.  What fraction of the tritium initially in the sample is still present 60 years later?

Q: The first-order radioactive decay of iodine-131 exhibits a rate constant of 0.138 d−1. What is the…

A: Like chemical reactions, nuclear reactions are type of chemical reaction only but here in place of…

Q: The decay of radioactive copper-64 follows first order kinetics with a half-life of 12.8 hours. a)…

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Q: Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay…

A: Half-life of americium-241 is 432.2 years Therefore, time = 3×432.2 years = 1296.7 years

Q: The radioactive element, thallium – 201, is used medicinally as a radiotracer to study damage in…

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Q: If the decomposition of reactant A follows first-order kinetics, what concentration of A remains if:…

A: By using all this we can find the remaining concentration of reactant .

Q: What is the half-life for the first-order decay of carbon-14? (C-"N+e) The rate constant for the…

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Q: The Hydrogen isotope, tritium, is radioactive and has a half-life of 12.5 years. What percentage of…

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Q: Consider a radio active material with a half-life time of 30 years following first order reaction.…

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Q: Radioactive decay is a process that follows first-order kinetics. The half-life of 24Na is 0.001712…

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Q: The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year 1. What…

A: First order reaction is defined as the chemical reactions whose rate only depends on the reactant…

Q: 2) With a knowledge of kinetics, one can accurately estimate the age of organic materials. In fact,…

A: 1 order Kinetics and Carbon Dating Question

Q: The rate constant for the decay of a radioactive element is 1.88 x 103 day1. What is the half-life…

A: Given that the decay constant of radioactive element is 1.88×10-3 day-1 To determine the half-life…

Q: Match the half-life to the rate constant assuming that the initial conce k = 0.5 M/s k = 0.5/ (M s)…

A: A) k = 0.5 M/s From the unit of rate constant, it is zero order reaction.  half life = Ao/2k   =…

Q: It has been suggested that strontium-90 (generated by nuclear testing) deposited in the hot desert…

A: The kinetic energy possessed in the molecules is useful in breaking bonds due to the molecular…

Q: Iodine-131 is used to treat tumors in the thyroid. Its first order half life is 8.1 days. If a…

A: Decay of I-131follow 1st order kinetics λ (decay constant) = 0.693/t1/2 = 0.693 / 8.1 days = 8.56…

Q: The radioisotope ¹⁴C (half life = 5730 years) is used for carbon dating. What is the first order…

A: Rate of reaction- The concentration change of designated species (products or reactants) per unit…

Q: The decomposition reaction: SO,CL(g) S0,(g)+ Cl,(g) is first-order, and has a rate constant of 2.24…

A: For first order kinetics k = 2.303 log(A0/A)/t where k = rate constant A0 = initial concentration of…

Q: The decomposition of ethane, C2H6, to methyl radicals has a rate constant of 5.36 x 104 per second…

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Q: A radioisotope of iodine, 131I, is used to study thyroid function. A patient is given a sample that…

A: Given: The concentration of the 131I sample = 1.70 × 10-4 M The half-life of 131I = 8.04 days. We…

Q: Tjejadioactive djejay follows first-order rate law and for the radioisotope, Sr-90. its half-life…

A: Given, The radioactive decay follows first order rate law, The half life of radioisotope, Sr-90…

Q: The kinetics of decomposition of N 20 5 was studied by measuring the concentration of N 20 5 as a…

A: Plot of log of concentration vs time is linear. This suggests that reaction follows first order…

Q: What is the integrated rate law for this decay process? The decay of radioactive copper-64 follows…

A: Given: The kinetics follow first-order. And the half-life = 12.8 hours.

Q: Americium-241 is used in smoke detectors. It has a first-order rate constant for radioactive decay…

A: Since the reaction is first order, then the relationship between rate constant and half-life period…

Q: The decay behavior of a radioactive substance obeys first order kinetics: ln(N/No) = –kt, where N is…

A: The rate constant, k, for the reaction is calculated as shown below where t1/2 is half-life for the…

Q: Two radioactive nuclides decay by successive first-order +Y330d, Z. The times are half-lives…

A: X→K122.5Y→K233ZFrom the foemula of half…

Q: The decay behavior of a radioactive substance obeys first order kinetics: In(N/N,) = -kt, where N is…

A: The decay of a radioactive substance follows first order kinetics and is given by:lnNN∘ = -ktwhere N…

Q: Step by step please

A: In order to determine the rate constant, first the rate law for the reaction has to be determined.…

Q: The radioactive nuclide 63Ni decays by a first-order process via the emission of a beta particle.…

A: Given data: Half life = 160 years Now by using relation between rate constant and half life of 1st…

Q: I was given the below function to describe the half life radioactive decay: N(t)=N0e-kt Where N(t)…

A: half-life(t1/2) of a radioactive decay is the time required to bring down the amount of radioactive…

Q: (ii) Provide a brief description of the collision theory of gas phase as applied to bimolecular…

A: We need to provide a brief explanation of Collision theory and compare its expression with that of…

Q: Normally, DNA has the familiar double helix coiled configuration. The uncoiling of DNA is a 1st…

A: Using the given half-life period, rate constant, k can be determined.

Q: Since radioactive decay is a first-order process, the decay rate for a particular nuclide is…

A: Molar mass of KCl = 74.55 g /mole Mass of KCl = 1 g Moles of KCl = MassMolar mass=1 g74.55…

Q: Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14…

A: Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14…

Q: The half-life of the radioactive isotope Carbon-14 is about 5730 years. O Part (a) - Find N In terms…

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Q: The decomposition of a radioactive isotope follows first order rate law kinetics. Calculate the…

A: Radioactive decay follows the first-order kinetics. The half-life of the first-order reaction does…

Q: What is the difference between a homogeneous and a heterogeneous catalyst?

A: Catalyst is the chemical substances that affect the rate of a chemical reaction. It does not involve…

Q: Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay…

A: Given: Rate constant k = 0.011 day-1 Initial concentration = 1.00 mg

Q: The half-life for the radioactive decay of C-14C-14 is 5730 years. If a sample of C-14C-14…

A: For a radioactive decay rate constant K and half life t12 have the following relation. t12=0.693K…

Q: The radioisotope 1"C (half life = 5730 years) is used for carbon dating. What is the first order…

A: Given :- half life of radioactive 14C i.e. t1/2 = 5730 years  To calculate :- value of first order…

Q: For a first-order parallel reaction, the Arrhenius factor for formation of two products are 20000…

A: Answer: This question is based on Arrhenius equation which is shown below: k=Ae-EaRT Here: k=rate…

Q: The radioactive nuclide 63Ni decays by a first-order process via the emission of a beta particle.…

A: Radioactive Decay :  It is the process by which an unstable nuclei of an atom loses its energy by…

Q: 146Pm decays via first-order kinetics (as do all radioactive isotopes) and has a half-life of 5.53…

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Q: gallium-67? What are the units for k?

A: Half life time(t1/2) = 78.25 hrs  Aa we know Radioactive decay follows first order kinetics Rate…

Q: What is the half-life for the first-order decay of carbon-14 if the rate constant for the decay is…

A: • The values provided in the question are:-     i) Decay constant of carbon-14 element, λ = 0.124…

Q: Using time units of hours, what would the units for K be for a reaction that is 1 1/2 order?

A: The explanation is given below-

Q: The rate constant for the decay of a radioactive isotope is 4.234 x 103/day. What is the half-life…

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Q: O3Ni decays by a first-order process via the emission of a beta particle. The 63NI isotope has a…

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Q: The rate constant for the decay of a radioactive element is 6.66 x 10-3 day-. What is the half-life…

A: Given- Rate constant for the decay of a radioactive element= 6.66×10-3day-1

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.