The half-life for a second order reaction is 35 minutes when the initial concentration of reactants is 2.50 M.  What is the rate constant for this reaction in M-1 s-1

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: The rate constant for a second-order reaction is 0.13 M−1s−1. If the initial concentration of…

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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: A first-order reaction has a rate constant of 0.33 min−1. It takes ________ min for the reactant…

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Q: The elementary reaction 2NO2(g) -> 2NO (g) + O2 (g) is second order in NO2 and the rate constant at…

A: The elementary reaction 2NO2(g) -> 2NO (g) + O2 (g)

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: A second order reaction has an initial concentration of 1.53 M.  If the half-life of the reaction is…

A: The solution is as follows:

Q: A reaction is first order in A. If the rate constant of the reaction is 6.00 x 10-3 s-1, what is 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: 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: Calculate the rate constant (in units M/min) for a zero order reaction

A: Given :        t1/2 = 82.4 min        [A]o=0.787 M To calculate :           rate constant (k)

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: ?       1.33e-06 1/s     The answer is not shown.     8.61e-07

A: Integrated equation for first order reaction is ;  kt = 2.303 • log( a/a-x )  At half life…

Q: A certain first-order reaction A → B is 86% complete in 42 min at 25°C. What is the half-life of the…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: Given a unimolecular or 1st order reaction, the rate constant may be calculated based only on the…

A: The formulae of the half-life of reaction: Half life(t1/2) = ao(1-n) ×12(1-n)-1(1-n) K Where, a0=…

Q: Nitrogen dioxide undergoes thermal decomposition according  to  the  second-order reaction    2…

A: The decomposition of nitrogen dioxide follows the second-order kinetics. For this reaction: The…

Q: A certain first-order reaction is 46.3% complete in 7.23 min at 25 deg Celcius. What is its rate…

A: Given-> Time = 7.23 min  Completion of reaction = 46.3%

Q: Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 × 10–2 h–1.…

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Q: P) For a particular first-order reaction, it takes 48 minutes for the concentration of the reactant…

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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 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: The half-life for the zero order reaction A → Products is 276 s. What is the value of the rate…

A: The zero order reactions do not depend upon its concentration of reactants, hence the rate of the…

Q: second order reaction with a single reactant has a rate of 0.34 M/s at an initial concentration of…

A: The rate law expression for second order reaction with single reactant A is given by - Rate = K [A]2…

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: 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: Derive the half-life equation for a zero-order reaction. What is the half-life for the decomposition…

A: Here we have to derive half life equation for zero-order reaction and calculate the half life of…

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: a. The reactant concentration in a first-order reaction was 7.40×10−2 M after 35.0 s and 9.60×10−3 M…

A: Since we know that, for different order of reactions, the relationship between the concentration of…

Q: The generic reaction     2 A   →   products     follows zero-order kinetics with a rate constant of…

A: Given- Reaction  2 A   →   products   Order of reaction = 0 Rate constant = 0.00628 M/s.  Original…

Q: A reactant in a certain first-order reaction is 56 % consumed in 63 s. What is the half-life for…

A: In this question, we will determine the half-life for the first-order reaction. The half-life period…

Q: What amount of time is required for the concentration of A to decrease from 0.800 M to 0.195 M in…

A: For the first question, we have to determine the time required for the concentration of A to…

Q: . (a) What is the rate constant for a second-order reaction with an initial reactant concentration…

A: The reaction in which the rate is directly proportional to the square of the initial concentration…

Q: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

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Q: Calculate the initial concentration for a first order reaction with a final concentration of 0.679…

A: Given,  Reaction = First order reaction  Final concentration = [A]t = 0.679 M  Rate constant = 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: What is the rate constant of a first-order reaction if the half-life is 2.50 min?

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Q: A reaction is found to be first-order with a rate constant of 0.00125 s–1. If the reaction initially…

A: Given,  Rate constant, k = 0.00125 s-1  Initial concentration, [A]0 = 0.25 M  Final concentration…

Q: The thermal decomposition of acetaldehyde, CH3CHO --> CH4 + CO, is a second-order reaction. The rate…

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Q: A reaction is second order with respect to reactant "A" and has a rate constant of 2.97 x 10-2…

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Q: Calculate the concentration [A] for a second order reaction A → Product after 9 min, knowing that…

A: Since we know that the relationship between the concentration of reactant i.e [A] and time for a…

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: the decomposition of compound Y02 is the first order reaction.The half-life of reaction is 25.5…

A: a) 0.108 M min-1 b) 32.4

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

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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: Nitrogen dioxide undergoes thermal decomposition according to the second-order reaction 2 NO2(g) → 2…

A: The rate constant is 0.18 M-1 S-1.

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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