The rate constant for the decay of a radioactive isotope is 3.1x 103/day. What is the half-life of this isotope? O 224 days 253 days 209 days O 280 days O 198 days

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Given, held life of X is 1.5 h and y is 135 min  Partial pressure of X is 75% greater than Y

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: dN dN, -k,N, ve dt = k;N, – k,N, dt

A: Radioactive decay: The spontaneous breakdown of atomic nucleus with mass and energy release.

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: 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: 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: 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: 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: 140Ba decays via first-order kinetics (as do all radioactive isotopes) and has a half-life of 12.75…

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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: What is the half life for the first order decay of phosphorus-32? The rate constant for the decay is…

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Q: The half-life of radium-226 is 1.60x103 yr. How many hours will it take for a 5.00-g sample to decay…

A: Given: Initial mass of radium = 5.00 g Final mass of radium remaining = 0.185 g And half life of…

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

A: Radioactive decay follows the first-order kinetics. The decay constant (λ) and half-life of a…

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: Tritium is radioactive and decays by a first order process with a half-life of 12.5 yr. If an…

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Q: A radioisotope of technetium is useful in medical imagingtechniques. A sample initially contains…

A: The rate constant for the decay is calculated as shown below where [A]o is the initial amount and…

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 half-life of Cobalt-60 is 5.3 years. What is the value of the rate constant of Cobalt-60 in 3…

A: Radioactive decay follow first order kinetics. For first order reaction  Rate constant = 0.693/half…

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 rate constant for the decay of a radioactive element is 2.55 × 10-3 day-1. What is the half-life…

A: Given data,rate constant=2.55×10-3day-1

Q: The isotope Carbon-14 follows the decay rule C'(t)=kC(t) where C(t) is in grams, t is in years, and…

A: Radioactive decays follow first-order kinetics.

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: What is the half-life (in y) for the first-order decay of argon-39? 3918Ar → 3919K + e− The rate…

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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: What is the half-life for the first-order decay of phosphorus-32? (P – decay is 4.85 x 10-2 day¬!.…

A: Given- Rate constant for the decay, k = 4.85 × 10-2 day-1Order of reaction = 1st order To find- The…

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: Radioactive decay occurs following first order kinetics. If the half-life of a sample of Cl-36 is…

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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: 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: The archeologist discovered the carbon-14 was 90.0% decayed. The rate constant is 1.24 x 10-5 hr-1.…

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Q: What is the half-life of the reaction? Reaction: A Product (A) 600.0 sec (B) 264.3 sec (C) 425.2 sec…

A: Hi, since you have posted multiple questions, we will answer the very first question for you. Kindly…

Q: The isotope strontium-90 is one of the extremely hazardous species in the residues from nuclear…

A: First order reaction- the reaction whose rate is depends on only single reaction whose concentration…

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: what is the value of the rate constant, k in s-1?

A: Given :- t1/2 = 3.0 × 105 years  To calculate :- k (in s-1)    t1/2  = 0.693/k  So, k = 0.693/t1/2

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: 18.  Radioactive phosphorus is used in the study of biochemical reaction mechanisms because…

A: Given:

Q: The rate constant for the decay of a radioactive element is 2.76 × 10-3 day1. What is the half-life…

A: When an unstable nucleus loses their energy by the radiation is known as radioactive decay.

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: 4. The fluorine-18 isotope is radioactive (decays by positron emission). It is used in in the form…

A: Radioactive decay follows first order kinetics, so radioactive decay has rate law similar to that of…

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: Use the following information to calculate the rate constant of burning rocket fuel at 175 °C. rate…

A: The Given for burning rocket fuel.

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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Q: The rate constant for the radioactive decay of 14C is 1.21 × 10-4 year-1. The products of the decay…

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