The half-life of the radioactive isotope phosphorus-32 is 14.3 days how many days required to loss75% of its radioactivity

Q: 14) Dilute hydrogen peroxide in water, 3% (mass/mass), is sold over the counter to sterilize wounds.…

A: 14. Half-life of a reaction is the time in which half of the reaction completes. This means that the…

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: Technetium (Tc) is a by-product of the spontaneous fission of Uranium-238 and as such is of…

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

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Q: 43.  Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected…

A: The half-life and the final concentration of a reaction is related as :

Q: The rate constant for the decay of a radioactive element is 2.03 × 10⁻³ day⁻¹. What is the half-life…

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

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Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of the initial…

A: Rate constant is calculated using given half-life value:

Q: 2. Iron-59 in the form of iron (II) citrate is used in iron metabolism studies. Its half-life is…

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Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of initial…

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Q: Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart…

A: The half-life and the final concentration of a reaction is related as:

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 decay is measured in terms of "half-life", which is the number of years required for…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If the concentration of a reactant is 6.25%, how many half-lives has it gone through?

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Q: What is the half-life for the first-order decay of carbon-14? (146C⟶147N+e−)(614C⟶714N+e−) The rate…

A: Rate constant for the decay (k) = 1.21×10-4 year-1

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: Another radioisotope of iodine, ¹³¹I, is also used to studythyroid function . A patient isgiven a…

A: The Radioactive decay of ¹³¹I follows a first order kinetics. The half life for a first order…

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: 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: 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: he half-life for the radioactive decay of C-14C-14 is 5730 years. a) How long will it take for 25 %…

A: Radioactive decay is a spontaneous break down of an atomic nucleus, it follows first order kinetics…

Q: The rate constant for the decay of a radioactive element is 1.76 × 10⁻³ day⁻¹. What is the half-life…

A: Rate constant = 1.76×10^-3 day^-1 Decay of radioactive element is first order reaction

Q: "hat percentage of a material will persist after 60 minutes if it's half-life is 30 minutes? dium 24…

A: Given half life = 30 min  We have to find amount of substance left after 60 min

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

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Q: How many half-lives will it take for the concentration of the N20 to reach 50.00 % of its original…

A: decomposition of N2O is first order reaction  for first order reaction , we can write  N = N0 / 2n…

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: The half-life for the radioactive decay of C-14 is 5730 years and is independent of the initial…

A: According to the given information, the half-life is independent of the initial concentration and…

Q: What is the first-order rate constant for its decay?

A: Relationship between t1/2 and k in first order reaction :-  t1/2 = ln 2/k  Or  t1/2 = 0.693/k  k is…

Q: What is the first order rate constant for ²⁴⁰Pu?

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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: strontium-8 is a readioactive maker used in scanning for bone disease including cancer that decays…

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Q: NO + O3 > NO2 + O2, k=3.22x1017 cm² s' and [NO]=1.477×10" molecules cm³, what is the half-life of O3…

A: The half-life of a reaction is the time taken by the concentration of the sample to reduce to 50%.…

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

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

Q: A certain signal molecule S in brain tissue is degraded by two different biochemical pathways: when…

A: Half life is the time taken for a radioactive material to decay to half of its initial size.

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

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Q: Two gases .I' and I are found in the atmosphere in only trace amounts because they decompose…

A: Solutions  A)  yes B)  4.7 hours

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: half-life

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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: 8. Determine the half-life of an anti-hypertensive'drug if it appears to be eliminated from the body…

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Q: Suppose you start a chemical reaction with 23 moles of hydrogen peroxide, and that after 5 minutes…

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Q: The rate constant for the decay of a radioactive element is 3.17 x 10-³ day¹. What is the half-life…

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