A first-order decomposition reaction has a rate constant of 0.00530 yr−1. How long does it take for [reactant] to reach 12.5% of its original value? Be sure to report your answer to the correct number of significant figures.

Q: A certain decomposition reaction is first order with a rate constant of 6.85*10-4 s-1  at 25 degrees…

A: *  First order reaction =>               Rate = [A]¹                OR           Kt = ln {A0/A}…

Q: The reactant concentration in a zero-order reaction was 7.00x10-2 M after 185 s and 2.00×10-2 Mafter…

A: For zero order reaction, the rate constant is calculated by using formula -dAdt=k where d[A] =…

Q: Enter your answer in the provided box. A first-order decomposition reaction has a rate constant of…

A: Since for any first order reaction we know ln(A0/A) = Kt  where A0 = initial concentration  A =…

Q: A first order reaction has a half-life of 829 seconds at 25oC. How long (in seconds) does it take…

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Q: A decomposition reaction has a rate constant of 1.685 yr 1. How long does it take for 9 to reach 67%…

A: Order of reaction can be determined by unit of rate constant.  In this case, order of reaction is 1.…

Q: What is the value of the rate constant k for a first order reaction, if the reactant concentration…

A: We have to predict the value of rate constant.

Q: A reaction which is second order has a rate constant of 1.0 x 10-21/(M s).  If the initial…

A: Given : Rate constant of reaction = 1.0 X 10-2 M-1s-1. Initial concentration of reactant = 0.100 M…

Q: how much time is required for 50% of the initial quantity of reactant to be consumed?

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Q: The hydrolysis of table sugar (sucrose) occurs by the following overall reaction sucrose + water →…

A: The hydrolysis of sucrose is type of pseudo- first order reaction , in which concentration of water…

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 38.5 s?

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Q: The reaction rate constant for the first order reaction is 1.15x10-3s-1. Determine the half-life of…

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Q: 2. The decomposition of a pollutant in water at 15°C occurs with a rate constant of 2.39 y',…

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Q: What is the half-life for a particular reaction if the rate law is rate = (1081 min⁻¹)[A]?

A: Given; The rate constant, (K) = 1081 min⁻¹ The rate law is of 1st order.

Q: The hydrolysis of table sugar (sucrose) occurs by the following overall reaction sucrose + water →…

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

Q: Chlorine dioxide (CIO2) decomposes in a first-order reaction with a rate constant of .0714s-1. If…

A: Since for any first order reaction, the relationship between the concentration and time is given by…

Q: Derive the kinetic rate equation for 1st order opposed by 1st order reaction when the initial…

A: To derive the kinetic rate equation for 1st order opposed by 1st order reaction when the initial…

Q: After a certain pesticide compound is applied to crops, its decomposition is a first-order reaction…

A: Half life :-  The time required for half of reactants to convert into products is called half life…

Q: The hydrolysis of table sugar (sucrose) occurs by the following overall reaction sucrose + water →…

A: HYDROLYSIS: A chemical reaction in which chemical bonds in water molecules are cleaved to form one…

Q: A particular first-order reaction has a rate constant of 0.0167 hr What is the half-life for this…

A: Given  rate constant for first order reaction = 0.0167 hr-1   To find half life for this reaction.

Q: Estimate the rate of the reaction, H*(aq) + OH (aq) – H20() given that the rate law for the reaction…

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Q: It is found that a gas undergoes a zero-order decomposition reaction in the presence of a nickel…

A: For a zero order reaction, the rate of the reaction is independent of the concentration of the…

Q: How long would it take for the reactant of a first-order reaction todecrease to one-half its initial…

A: This problem can be solved by using the rate law for the first order reaction which is given as…

Q: . A reaction that is second-order in one reactant has a rate constant of 2.2 x 10-2 L/(mol • ). If…

A: Given : Rate constant of reaction = 2.2 X 10-2 M-1s-1. Initial concentration of reactant = 0.360 M…

Q: What is the rate law for this reaction? Calculate the rate constant k and express it in appropriate…

A: For the reaction: 2A+B→C+D The rate law equation can be expressed as k[A]x[B]y. x is the order of…

Q: A first-order chemical reaction is observed to have a rate constant of 24 min-1. What is the…

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Q: A decomposition reaction has a rate constant of 0.0012 y -1. How long does it take for [reactant] to…

A: Since the units of rate constant is in time-1  hence the reaction is first order as the units of…

Q: A reaction is first order in A. If the rate constant of the reaction is 8.33 x10–3 s–1, what is the…

A: A numerical problem based on the half-life period, which is to be accomplished.

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

A: DDT is the short form of dichlorodiphenyltrichloroethane. It is an organochlorine compound which was…

Q: What is the half-life for a particular reaction if the rate law is rate = (1231 M*min⁻¹)[A]⁰ and the…

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Q: :. For the following reaction, write the rate law for change in concentration of reactants and…

A: The general expression of rate law in the function of time is,

Q: For the zero-order decomposition of ammonia on tungsten NH3(g)-->1/2N2(g)+3/2H2(g) the rate…

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Q: In a first order decomposition in which the rate constant is 0.0287 sec-1, how long will it take (in…

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Q: Cyclobutane decomposes to ethylene according to the equation: C,Hg(g) 2C,H4(g) Determine the value…

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Q: The reaction C2H5Cl →C2H4  + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s. In an…

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Q: It took 774.7 s for 42.04% of a substance to react according to first-order kinetics. What is the…

A: K = 2.303/t log (a/(a-x)) where K = first order rate constant = ? s-1 t = time taken = 774.7 s a =…

Q: The rate constant for a first order reaction is 0.54 s-1. If a 1.57 M sample reacts for 12 seconds,…

A: Rate constant K of the first order reaction is related to the concentrations of the reactants at t=0…

Q: The rate constant for the first-order conversion of A to B is 3.33 hr-1. How much time will be…

A: Given K(rate constant) = 3.33/hr Time required for reaching 75% of original value=?

Q: What is the half-life for a particular reaction if the rate law is rate = (1261 min-1)[A]?

A: Rate = ( 1261 min-¹ ) [A] Comparing the above rate equation with general rate equation we get that ;…

Q: If a reaction is first order with a rate constant of 0.0450 s⁻¹, how much time is required for 45%…

A: We have the first order reaction, with rate constant of 0.0450 S-1 . We have to predict the time…

Q: The rate law for the chemical reaction                            H2(g)+2NO(g) ⟶ N2O(g)+H2O(g) has…

A: The rate law (also known as the rate equation) for a chemical reaction is an expression that…

Q: A first-order decomposition reaction has a rate constant of 0.00520 yr−1. How long does it take for…

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Q: What is the rate constant of a first-order reaction that takes 459 seconds for the reactant…

A: The time taken during a reaction to reduce the concentration of a reactant to half of its initial…

Q: A certain first-order reaction has a rate constant of 1.60×10−3 s−1. How long will it take for the…

A: Use integrated first order rate equation for the calculation of the time required for the above…

Q: A particular reaction is found to have a rate constant of 3.50×10-3 s-1 at 500 °C and 2.16 s-1 at…

A: Given,

Q: If a reaction is first order with a rate constant of 0.0450 s⁻¹, how much time is required for 75%…

A: The given information is as follows: The rate constant of the first order reaction (K) = 0.0450 s-1…

Q: You are studying the reaction A₂(g)+B₂(g) →2AB(g) to determine its rate law. Assuming that you have…

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Q: A decomposition reaction has a rate constant of 0.0012 yr⁻¹.(a) What is the half-life of the…

A: The time required for half of something to undergo a process: such as. a : the time required for…

Q: A gas-phase decomposition is first-order with respect to the reactant, R. If the initial…

A: Integrated rate equation for first order reaction is,   ln [ A ]t = -kt + ln [ A ]0    [ A ]0  =…

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate…

A: Answer:- This question is answered by using the simple concept of chemical kinetics which involves…