What is the half-life in minutes of a compound if 75.0 percent of a given sample decomposes in 80.0 minutes?  Assume first-order kinetics.

Q: For a first-order kinetic, what is the half-life of a compound if 70% of a given sample of the…

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Q: A compound decomposes by a first-order process. If 13% of the compound decomposes in 60 minutes, the…

A: Given values- Time = 60 minutes Decomposition = 13%

Q: After 72.0 min, 45.0% of a compound has decomposed. What is the half-life of this reaction assuming…

A: The integrated rate equation for first order reaction is  k = 2.303t×log[R]o[R] k = rate constant t…

Q: At a given temperature, a first-order reaction has a half-life of 155 minutes How many minutes…

A: The correct answer is given below

Q: What is the half-life in minutes of a compound if 75.0 percent of a given sample decomposes in 35.0…

A: Given, Assuming first order kinetics. 75.0 percent of a given sample decomposes in 35.0 minutes Let,…

Q: Assuming first-order kinetics, if it takes 1200 hours to reduce a substance to 12.5% of its initial…

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Q: Copper-64 is used in the form of copper acetate to study brain tumors. It decays by a first-order…

A: Given that,half-life, t1/2 = 12.8 hoursInitial quantity, No = 33 mg Now find Nt at t = 3days +…

Q: Calculate the half-life of a first-order reaction if 66% of the reactants are reacted within 66 s.

A: Given- Reaction is first order reaction assume reactant is 100% Reactant reacted =66% Reactant…

Q: The decompostion of a compound with a half-life of 32 minutes at 25 oC is a first order process. If…

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

A: After 1 hour it loses 42.5% of its original intensity, which means after 1 hour 57.5% of the…

Q: A first-order reaction has a half-life of 11.0 seconds.  What is the value of the rate constant?  k…

A: A first-order reaction means that the rate of the reaction is directly proportional to the…

Q: After 54.0 min, 38.0% of a compound has decomposed. What is the half‑life of this reaction assuming…

A: Rate constant, k can be determined as follows:

Q: The half life of a first order reaction is 28 second.what is its rate constant?

A: Half life (t1/2) :- " The time required for half of the reactants to convert into products is called…

Q: What is the half-life of a compound if 42% of a given sample of the compound decomposes in 40…

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Q: A particular reactant decomposes with a half‑life of 165 s when its initial concentration is 0.340…

A: Given: The half-life of 0.340 M reactant is 165 s. The half-life of 0.268 M reactant is 209 s. To…

Q: Radioactive decay is a first-order kinetic process. The half-life for the decay of plutonium-239 is…

A: Radioactive decay always follows first order kinetic process , so we have to use the formulas of…

Q: When a 5.00x10² mg aspirin tablet is taken it decomposes via zeroth order kinetics with a half-life…

A: Given 5X102 mg tablet of aspirin decomposes via zero order with half life of 3.1 hrs We have to…

Q: assuming

A: According to the question, After 53.0 min, 16.0% of a compound has decomposed. We need to determine…

Q: 7. If the half-life for the decomposition of a drug is 6 hours, how long will it take for 125 mg of…

A: Half life = 6 hours Initial quantity = 125 mg Quantity left after time t = 70% (125) mg

Q: What is a second-order reaction?

A: A second-order reaction has to be given.

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: How many half-lives are required for the concentration of reactant to decrease to 3.1% of its…

A: We have to calculate the number of half lives required to decrease concentration to 3.1% of its…

Q: What is the halflife of a compound if /5 percent of a given sample of the compound decomposes in 60…

A: Given a compound follows first order kinetics.5 % of the given sample of the compound decomposes in…

Q: What is the half-life in minutes of a compound if 75.0 percent of a given sample decomposes in 25.0…

A: The relationship between concentration and time for first-order reaction is given by

Q: When a 5.0010 mg aspirin tablet is taken it decomposes via zeroth order kinetics with a half-life of…

A: The time in which the concentration of a species becomes half of its initial concentration is called…

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: certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate…

A: The question is based on the concept of chemical kinetics. it talks of second order reaction for…

Q: how long (in minutes) would it take for the amount of 41Ar to decrease to 54.04% of its initial…

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Q: Chlorine dioxide (ClO2) is used as a disinfectant in municipal water-treatment plants. It decomposes…

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Q: What is the half-life of compound if 75 percent of a given sample of the compound decomposes in 60…

A: The given information says that the reaction is first order kinetics. First determine the rate…

Q: What is the half-life of a compound, A, if 75.0 percent of a given sample of the compound A…

A: 75.0 % of compound A decomposes in 60.0 min. The decomposition follows first-order kinetics.Here,…

Q: In a first-order reaction, the half-life is 133 minutes. What is the rate constant?

A: What are first order reactions? Assume a sample reaction- nA→Product So, first order reactions are…

Q: What is the half-life of a compound if 65 percent of a given sample of the compound decomposes in 59…

A:

Q: If a solution containing 14.0 gg of a substance reacts by first-order kinetics, how many grams…

A: Half-life period is the time required for the reactant (substrate) concentration to reduce to the…

Q: Cesium-131 is the latest tool of nuclear medicine. It is used to treat malignant tumors by…

A: Given T1/2 = 9.7 days Initial concentration = 20 mg.

Q: Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of…

A:

Q: A given compound decomposes with a half-life of 8.0 s and the half-life is independent of the…

A: We have to calculate the time taken.

Q: (a) What is activation energy? What role does activation energy play in chemical kinetics? (b) What…

A: there are certain criteria for any chemical reaction to occur and activation energy is one of them…

Q: the half-life of radium 226 is 1620 years. how many hours will it take for a 5g sample to decay to…

A: The radioactive decay is a first order reaction. Since we know that the relationship between the…

Q: Age of a tree/fossils can be measured by looking at the remaining Carbon-14 in a sample. C-14 has a…

A: Half life of C-14 = 5720 years As the reaction follow first order kinetics., Rate constant, K =…

Q: What is the half-life in minutes of a compound if 75.0 percent of a given sample decomposes in 70.0…

A: The following information given in the question - Percentage of compound decomposed = 75% Time taken…

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

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Q: What is the half-life of a first-order reaction which is 15% complete after 210 seconds?

A: Given, time to consume 15 % of reaction for first order = 210 sec we are asked to calculate the…

Q: After 46.0 min, 33.0% of a compound has decomposed. What is the half-life of this reaction assuming…

A: Given, At 46.0 min, 33% compound decomposed Formula Used, k=1tlnAoAt where, K is the rate constant.…

Q: After 40.0 min, 28.0% of a compound has decomposed. What is the half‑life of this reaction assuming…

A: Let the amount of a substance with half-life t1/2 that remains after time t is 0.5t/t1/2.   Since…

Q: What is the half-life of a compound, A, if 75.0 percent of a given sample of the compound A…

A: Given,it follows the first order kinetics. So, using the formula we can determine the required data.…

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

A: Answer: Half life of the compound is 145 min.

Q: Write the expressions for the half-lives of zero-order, first-order, and second-order reactions.

A: Half-life: The half-life of a chemical reaction is the time needed for half of an initial…

Q: 13.25 What is the half-life of a compound if 75 percent of a given sample of the compound decomposes…

A: Let initial amount of substance be No Amount of substance decomposed in 60 min = 75% of No = 0.75 No…