Calculate the rate constant (in seconds) for the decomposition of insulin if the insulin polypeptide has a half-life in the blood of 8 min at physiological temperature. The decomposition is a first order process.

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Q: If a 1st order reaction takes 72 seconds for 28% to react, what is the rate constant for the…

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Q: Calculate the half-life (in minutes) for a radioactive substance which loses 42.5% of its original…

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Q: The following chemical reaction: A → products shows first order kinetics with respect to A; rate =…

A: Introduction- The half life of first order reaction is given by the formula-  t12 =0.693k One hour…

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A: The decomposition of nitrogen dioxide can be understood as, 2 NO2→2 NO + O2

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Q: Radioactive decay is a process that follows first-order kinetics. The half-life of 41Ar is 0.01256…

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Q: Carbon 14 which is present in all living tissue, radioactively decays via a first order process. A…

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Q: If you know that a substance has dissociated a first-order reaction, and if its concentration after…

A: Formula used : t1/2 = ln(2)/K [A] = [A]. e-Kt

Q: Determine the rate constant k if the half life of the decomposition of N2O5, a first order reaction,…

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Q: At a given temperature, a first-order reaction has a rate constant of 1.5 × 10–3 s–1. The time…

A: Given data is as follows:                The rate constant (K) of the first order reaction =…

Q: A first-order reaction is 45% complete at.6 the end of 35 minutes. What is the length of * ?the…

A: Given : Order of reaction: First order 45% completed =35 min To Find: Half life Solution: Chemical…

Q: A compound decomposes by a first-order process. If 17.0% of the compound decomposes in 60 minutes,…

A: First order reaction is a reaction that depends only one reactant concentration. Integrated form of…

Q: A zero-order decomposition reaction of a substane took 5 minutes to achieve 80% decomposition. What…

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Q: rate constant of a first-order process

A: First-order reaction depicts that the rate of reaction is directly proportional to the concentration…

Q: A compound decomposes by a first-order process. If 25.0% of the compound decomposes in 60.0 minutes,…

A: Ans is 144.68min

Q: Give the characteristic of a second order reaction having only one reactant. The rate of the…

A: Let us assume a second order reaction having only one reactant 2 R -------> P  Here 2 R…

Q: Calculate the rate constant (in seconds) for the decomposition of insulin if the insulin polypeptide…

A: Decomposition is a first order reaction. Half life, t1/2 = 8 min = 480 seconds  [1 minute = 60…

Q: A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-…

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Q: Time (s) 0 1 2 3 4 5 [N2O5] (mol.dm-3) 1.000 0.705 0.497 0.349 0.246 0.173…

A: The concentration of reactant N2O5 and time is given as, Time (s) 0 1 2 3 4 5…

Q: What is the rate constant (s -1) of a first-order process that has a half-life of 364 s?   -1.37 ×…

A: For first order of Reaction the half life period can be written as -   t1/2 = 0.692/k Or k =…

Q: A compound decomposes by a first-order process. If 28 % of the compound decomposes in 60 minutes,…

A: First order reaction is a reaction that depends only one reactant concentration. Integrated form of…

Q: In the presence of excess thiocyanate ion, SCN-1, the following reaction is first-order in…

A: Given- Rate constant K = 2.8 x 10-6 /s Reaction is first order To find- Half life of reaction-…

Q: CF2Cl2 is a chlorofluorocarbon (CFC) that has been tied to the destruction of the atmospheric ozone…

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Q: For a first order reaction, the concentration decreases to 30% of its initial value in 5.0 min. What…

A: Given information,

Q: What is the half-life (in seconds) of a zero-order reaction which has an initial reactant…

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Q: The radioactive isotope 28Mg has a half-life of 20.9 hours. (a) What is the rate constant for this…

A: The half life of radioactive 28Mg isotope, t1/2 = 20.9 h

Q: A particular reactant decomposes with a half‑life of 153 s when its initial concentration is 0.360…

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Q: The half-life of a pesticide determines its persistence in the environment. A common pesticide…

A: Reaction  of decay process is first order reactiom. Half life of  first order Reaction  =0.693/K…

Q: Calculate the half life, in seconds, for a first order reaction with an initial concentration of…

A: Given : Initial concentration of reactant = 0.104 M Order of reaction = 1 And rate constant of…

Q: Insulin is a polypeptide hormone released from the pan-creas that stimulates fat and muscle to take…

A: Time at which the concentration of a substance becomes half of its initial value is called half-life…

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

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Q: Calculate the rate constant (in units M/min) for a zero order reaction with a half life of 47.4…

A: Answer option c) 0.00705 M/min is the value of rate constant (K).

Q: The following questions refer to the gas-phase decomposition of ethylene chloride.          C2H5Cl…

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Q: It has been found that DDT in the soil decomposes by a first-order reaction with a half-life of 12.0…

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Q: 75% of the reaction was completed in 10 minute. Calculate the half life period of this reaction if…

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Q: Explain enzyme kinetics including zero-order and first-order kinetics.

A: Answer - Enzyme kinetics - Enzyme kinetics is the study of the rates of enzyme-catalysed chemical…

Q: The first-order rate constant for the decomposition of a certain drug is 0.215 /month a) if 10.0 g…

A: The question is based on the concept of chemical kinetics. we have to calculate amount of drug…

Q: Carbon-14 is used to determine the age of biological samples. Carbon-14 decays via a first order…

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Q: A reaction is of second order with respect to a reactant. How is the rate of reaction affected if…

A: Rate law gives the relation between rate of the reaction and the concentration of the reactants.

Q: A compound decomposes by a first-order process. If 17.0%% of the compound decomposes in 150 minutes,…

A: If a compound follows the first order kinetics. The formula used to determine rate constant is:…

Q: The reaction A + 2B → products was found to be first-order to A and second- order to B. Predict by…

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Q: For the first-order decomposition of N2O5 at a high temperature, determine the rate constant if the…

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Q: Radioactive decay of unstable atomic nuclei is at first order process. The half-life for the…

A: Given: Amount of C-14 remaining in the wood = 87 % of the initial amount (as the initial amount is…

Q: How much time is required (in minutes) for a reaction to be 46 % complete if it is first order…

A: The integrated rate law for a first-order reaction is given as: C=C0×(12)tt12…

Q: For a certain first order reaction, it takes 449 seconds for the concentration of reactant to…

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