Calculate the half life when the rate is 6.2x10^-4

Q: A particular reactant decomposes with a half-life of 159 s when its initial concentration is 0.288…

A: In a zero order reaction, half life is proportional to the initial concentration reactant. In a…

Q: Phosphorus-32 has a half-life of 14.3 days. What is the first-order rate constant for the decay of…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: For which order of reaction is the half life independent of the initial concentration of the…

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Q: 2) The radioactive decay of 14C is a first order process with a half life of 5730 years. If the…

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Q: Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has…

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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: What is the half-life when the initial concentration is 0.58 M ? Express your answer using two…

A: The graph between the 1/[AB] vs time is a straight line, confirms that the reaction is a…

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

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Q: Radioactive decay is a first order process. If the half-life of 222Rn is 3.8 days, approximately how…

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Q: 6) Radioactive substances decay by first-order kinetics. How many years would be required for a…

A: By using the formula for First order kinetics we can solve this problem.

Q: What percentage of the radioactive iodine-131 will be left after 25 days if its decomposition…

A: In first-order kinetics, the rate of reactions of chemical reactions are dependent on one of the…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A: Radioactive disintegration reactions are first order reactions. Half life of first order reaction is…

Q: The radioactive decay of a certain isotope is A first-order process that has a half-life of 242…

A: Given data First order process for decay of isotope. half life : t1/2=242 min Time : t=45 min

Q: A particular reactant decomposes with a half-life of 133 s when its initial concentration is 0.395…

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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: How are the rate constant and the half-life related?

A: The rate constant and the half-life of various order reactions are, In the above equations, rate…

Q: The rate constant for the decay of a radioactive element is 2.44 x 10 ^-3 day^-1. What is the…

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Q: If the half-life of your sample is 5,000 years, calculate the value for k, the rate constant. Be…

A: Introduction : We have to calculate the rate constant of the given radioactive particle. Given :…

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: What is the half-life of this element in days?

A: Given :- rate constant (k) = 5.29 × 10-3 day-1  To calculate :-  Half life Radioactive decay…

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: Scientists working in Lake Kissimmee calculating half-lives of pollutants called volatile organic…

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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: Radioactive gold-198 is used in the diagnosis of liver problems. The half- life of this isotope is…

A: First using given value determine the rate constant, k value. t1/2=2.7…

Q: 22. The half life of a first order reaction is 1 year. What is the time taken for 75% of the…

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Q: If the initial concentration of nitrous acid is 1.00 M and, after 17.8 s has elapsed, the…

A: Initial concentration of nitrous acid = 1.00M  Time elapsed = 17.8 sec Concentration after this time…

Q: The half-life for the decay of radium is 1620 years. What is the rate constant for this first-order…

A: The half-life of a reaction, t1/2, is defined as the amount of time required for a reactant…

Q: Radioactive decay follows first-order kinetics. If sodium-24 has a half-life of 14.96 hours, what is…

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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: The rate constant for the decay of a radioactive element is 6.70 × 10⁻³ day⁻¹. What is the half-life…

A: Half life is the time taken for a radioac Radioactive decays are first order reaction.

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: 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: fk = 3.84 x 104 mol-1 Ls-1 and the initial concentration of A is 0.77 mol L-1, what is the half life…

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Q: What is half-life period of a reaction?

A: A reaction consists of reactants and there is the formation of products.

Q: 3. The rate constant for the reaction of A₂ → 2A is 5.72 x 10⁰ a. If the initial concentration of A₂…

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Q: A particular reactant decomposes with a half‑life of 151 s when its initial concentration is 0.385…

A: By hit and trail method assume that the given rection is of second order.  The rate constant value…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A: Radioactive gold-198 is used in the diagnosis of liver problems. t1/2 = 2.7 days m0 = 5.6 mg How…

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: 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: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

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Q: 11.What is a reaction for which half-life would be applicable? a.14/6C→14/7N+0/−1e…

A: option a first option is the answer half life for radioactive C14 is applicable in this reaction…

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: 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 element is 6.37 × 10⁻³ day⁻¹. What is the half-life…

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Q: If the half life of hydrogen peroxide is 949 sec and you started with 3M H2O2, how much hydrogen…

A: The decomposition of H2O2 in aqueous solution follows first order reaction kinetics. When rate of a…

Q: 22. The half life of a first order reaction is 1 year. What is the time taken for 75% of the…

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Q: 37.  What is the half-life for the first-order decay of carbon-14? (614C⟶714N+e−) The rate constant…

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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: The rate law describing the decay of a given isotope (Q) is: rate = 0.218 hr-1 [Q] What is the…

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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