Calculate the half life, in seconds, for a first order reaction with an initial concentration of 0.104 M and a rate constant, k, of 0.148 1/s.

Q: particular first order reaction has a rate constant of 0.330 min-1. How many minutes will it take…

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Q: To get the half-life of a first order reaction, one must divide ln 2 by: a) the initial…

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Q: A second-order reaction has a half-life of 11 s when the initial concentration of reactant is 0.97…

A: For the second-order reaction the relation between the rate constant and the half-life is as…

Q: A reaction is second order and found to be 75% complete after 20 seconds. Find the half-life of the…

A: Formula for second order kinetics is :- 1/(A) = 1/ (A0) + kt  Where A0 initial  concentration of…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

A: k = 8.84 L mol-1 s-1 initial concentration = 99.8 mol/L.

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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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: 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: A first-order reaction has a rate constant of 7.5 × 10–3 s–1. How many seconds does it take for the…

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Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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Q: The initial concentration of a reactant in a first order reaction is 0.860 M. What will be its…

A: Given that, in first order reaction; Initial concentration of  a reactant = 0.860 M We have to find…

Q: Show that the half-life of a second order reaction depends on the initial concentration of a…

A: The second order reaction is one whose order with respect to reactant is 2. The general…

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: The half-life for a second order reaction is 50 sec when [A]0=0.84 mol L−1. The time needed for the…

A: Given, For second order reaction, Half life (t1/2) = 50 s Initial concentration = [A]o = 0.84 mol/L…

Q: What is the order of a reaction where each successive half life gets shorter and is dependent upon…

A: ★ Answer :  Zero order

Q: The reactant concentration in a first-order reaction was 9.80×10−2 M after 45.0 s and 9.30×10−3 M…

A: Ao = 9.8 x 10-2 M A = 9.30 x 10-3 M t =( 100-45) = 55 s

Q: A first order reaction has a rate constant of 7.65 x 10-2 s-1.   If the initial concentration of…

A: Given: The rate constant for the first-order reaction, k= 7.65 x 10-2 s-1 The initial concentration…

Q: Determine the half-life of the reaction in seconds if the initial concentration of drug A is 0.208 M…

A: Given :- initial concentration [A]o = 0.208 M                Rate constant (K) = 0.056 M/s  To be…

Q: A reactant in a certain first-order reaction is 66 % consumed in 34 s. What is the half-life for…

A: A reactant in a certain first-order reaction is 66 % consumed in 34 s. What is the half-life for…

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: Calculate the final concentration for a second order reaction with a initial concentration of 0.643…

A: Second-order reaction means the rate is directly proportional to the square of the reactant…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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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: What is the half-life for a 1st order reaction, if the initial concentration of A=0.2 M and the…

A: Given:First  order reactionA0=0.2M=Initial& r=1.2 Ms=Ratet12=?

Q: What is the order of the reaction if its half-life is 15 minutes. Take note that the concentration…

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Q: The half-life of a second-order reaction does not depend on the initial concentration of reactant.…

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Q: A certain third order reaction has a rate of 0.293 M/s when the concentration of reactant A is 0.30…

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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: Derive the equation for the rate constant for a first order reaction. What would be the units of the…

A: Write the reaction. R→P  Rate=-d[R]dt=k[R]⇒-d[R]R=kdt Integrating this equation. ln[R] = -kt +I when…

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 rate constant of a first-order reaction if the half-life is 5.32 min?

A: Suppose a chemical reaction as follows --- A  →  P    (Where, A = reactant and P =product) Given…

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

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Q: The half life of a first order reaction is 36.8 seconds.  How many seconds must the reaction proceed…

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Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

A: We have to derive the half-life equation for a second-order reaction as follows in step 2:

Q: the half life of a 1st order reaction is found to be 28.25 min. what is the value of the rate…

A: The reaction rates follow direct relationship with the reactant's species involved in first-order…

Q: What is the rate constant of a first-order reaction if the half-life is 2.50 min?

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Q: It will take 1.6  min for the concentration of a compund  to decrease from 0.37 M to 0.15 M in the…

A: The half life period for a first order reaction is given by  t1/2=0.693k

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

A: To solve this problem first we have to calculate the rate constant by using half life time  K =…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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Q: A chemical reaction has a First-Order rate law with a half-life of 303 s. What is the value of the…

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

A: Given : Rate constant =  1.5 × 10–3 s–1

Q: For the first order reaction, the initial concentration of A= .4 M. What is the half life of the…

A: when the rate of the reaction depends only on the concentration of the reactant and its power is one…

Q: The rate constant for a first-order reaction is 0.77 s^-1. What is the half-life of this reaction if…

A: The following  equation can be used to calculate the half-life of a first-order reaction. t12=ln…

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: For the first order reaction below, the initial concentration of A is 0.58 M. What is the rate…

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

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Q: The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an…

A: The decomposition of NO2 follows second order reaction. Rate constant = 0.755 L /mol.s  Initial…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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Q: Calculate the rate constant (in units 1/M•min) for a second order reaction with a half life of 70.1…

A: Given :- half life (t1/2) = 70.1 min (2nd order reaction)  Initial concentration [A]0 = 0.556 M  To…

Q: Half-life for a first order reaction 693 s. Calculate the time required for 90% completion of this…

A: When concentration of a reactant decreases to one-half of its initial value then the time required…