If the half-life period of a first order reaction in A is 2 minutes, how long will it take [A] to reach 25% of its initial concentration?

Q: The half life of a first order reaction is given as 15.6 days. How long will it take to decompose to…

A: 1) First order rate constant  K1 = 2.303/t log(a)/(a-x)  2) K1 and t1/2 relation  K1 = 0.693/ t1/2…

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

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

A: Given that, the reaction is 45% complete in 35 minutes.  For a first order reaction,    ln [ A ]  =…

Q: In a first order reaction the half life is 10 minutes. Determine the rate constant. How long does it…

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Q: A certain first-order reaction is 25% complete in 65s. What are the values of the rate constant and…

A: Given: The first order reaction is completed 25% in 65 s. The integral rate law equation of first…

Q: A first-order reaction (A 25 minutes. If the initial concentration of A is 0.400 B) has a half-life…

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Q: A→products What would be the final concentration of A after 37.3 minutes, if in this first order…

A: Order of a reaction  is the relationship between rate if a reaction and the concentration of the…

Q: The rate constant for a first order reaction is 0.0640 1/s. What is the half-life for this reaction?

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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: What fraction of a reactant has been consumed after 4 half-lives in a first-order reaction?

A: The rate of the reaction is referred to as the change in the molar concentration in a distinct…

Q: The rate constant for this zero-order reaction is 0.0190 M · sl at 300 °C. A products How long (in…

A: For zero order reaction,   Where, [A]t = 0.940 M [A]0 = 0.290 M     k = 0.0190 M.s-1

Q: A certain reaction follows a 3rd order reaction. In an experiment, starting with 100 ppm, it was…

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Q: What data should be plotted to show that experimental concentration data fits a first-order…

A: In first order reactions, the rate of reaction depends linearly on the concentration of one reactant…

Q: A certain first-order reaction has a rate constant of 0.00710 1/min at 300 K. What is the half-life…

A: The relationship between rate constant and half life for first order reaction is -  Half life,…

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: In a first order reaction, the concentration of the reactant decays to its half in 10 minutes.…

A: The half-life of a first-order reaction can be determined by using the following formula: t12 =…

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: The half-life of a reaction is 2.50 minutes when the initial concentration of A is 0.150 M. How long…

A: Applying concept of first order reaction.

Q: The half-life for a first-order reaction, A→B is 9.79 s. If the initial [A] is 0.75 M, how long…

A: This question is related chemical kinetics. First contain all the given information. Then apply the…

Q: How to Determine First-order Reaction?

A: The chemical reactions in which the rate of reaction is straightly proportional to the concentration…

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: 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: Consider a first-order reaction with a half-life of 15 minutes. If the initial concentration is 1.50…

A: For first order kinetics:  kt = ln(A0/At) ....(1)  and t(1/2) = 0.693/k ...(2)

Q: What is the reactant concentration after 78.9 seconds for a second order reaction with a half-life…

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Q: Classify the following if they represent  (A) first order reaction (B) second-order reaction (C)…

A: given, 1. 1At=kt+1A0   2. lnA0At=kt     3. At-A0=-kt             4.  At=-kt +A0…

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: Give a mathematical expression for the half-life of a first order reaction and of a second order…

A: Half life period of a reaction is the time in which half of concentration of Reactants consumed. It…

Q: The reaction of C4H Cl with water is a first-order reaction. The reaction half-life is 340 s. If the…

A: The given problem can be solved by using the formula for the first order given below as;      First…

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

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Q: The rate constant, k, is determined to be 0.25 M-1s-1 and the initial concentration is 0.50 M of a…

A: Given: Initial concentration = 0.50 M Rate constant = 0.25 M-1.s-1   Chemical reaction be, 2A →…

Q: 6. Consider a first order reaction with a half-life of 15 minutes. If the initial concentration is…

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Q: A first order reaction has a half life of 33 s. How long will it take for the reactant concentration…

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

A: Given  Order of a reaction = 1  Initial Concentration of Reactant (A0)    =  0.860 M  Number of Half…

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: Calculate the half life, in minutes, for a second order reaction with an initial concentration of…

A: • The values provided in the question are:-      i) Initial concentration of reactant, A0 = 0.45 M…

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: A first-order reaction (A concentration of A is 0.80 M, what is the concentration of B after 50…

A: Given,  Reaction : A→B order of the reaction  : 1st order half life of A : 25 minutes initial…

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, 20 % of the reactant is consumed after the 90. min. How long…

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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: The decomposition of N205 is a first-order reaction. If the half- life time is equal to 1114 second,…

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Q: A certain first-order reaction is 61 percent complete in 65 seconds. Calculate the rate constant…

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Q: A certain reaction A--> products is second order with respect to A. If it takes 45 min to reduce the…

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Q: The half-life (t) of a/an order reaction is independent of the initial concentration (A) (B) First…

A: Half life is the time when the initial concentration is left just half.

Q: The half-life of a reaction of compound A to give compounds D and E is 8.50 min when the initial…

A: (a)