For a first order reaction, show that time required for 99% completion is twice the time required for the completion of 90% of reaction.

Q: 1. 75% of a first-order reaction was completed in 32 minutes. 50% of the reaction was completed in…

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Q: Can you please provide an explanation on your answer, thank you.   A reaction that has a rate only…

A: Chemical kinetics is branch of chemistry in which we deal with the speed at which rate of reaction…

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: If the first-order reaction is found to be 48.39 min. what mass will remain after 55 minutes given a…

A: Sine the relationship between the concentration and time for a first order reaction is given by  ln{…

Q: In a first order reaction with only one reagent, the reaction was started with a concentration of…

A: Those reactions in which the rate of the reaction depends only on the first power of the…

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 first order reaction is 84 % complete in 90 minutes. Calculate the half- life of this reaction.…

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Q: Given the first order reaction: Y Z It is found that this reaction is 40.0% complete at the end of…

A: Given :-  Y → Z          (first order reaction)  t = 40 min  Completion of reaction  = 40%  To…

Q: If the half-life period of a first order reaction in A is 2 minutes, how long will it take [A] to…

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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: In the first-order reaction A→products, [A]=0.818 M initially and 0.632 M after 17.0 min.  What…

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Q: 2. In a first order reaction, the reaction is 73% complete in 47s. What is the rate constant for…

A: Please find the answer attached.

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: How many half-lives are required to reduce the concentration of a first order reaction to 6.25% of…

A: Half life means (initial concentration /2) means 50% of initial concentration will be remained after…

Q: How many half-lives are required for a first-order reaction toreach 799% completion?

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Q: Calculate the rate constant (with appropriate units) for a first order reaction which is 16.5%…

A: Given: The reaction is first order.  Time is 213 s. The initial amount, [A]0 is 100.

Q: Areaction is 50% complete in 35.9 minutes. How long after the start of the reaction will it be 75%…

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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: (a) With the help of a labelled diagram explain the role of activated complex in a reaction.(b) A…

A: (a) The labelled diagram that explains the role of activated complex in a reaction is shown below.…

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: second-order reaction is 50 % complete in 120 s. What are the second and third half-lives for this…

A: The question is based on the concept of chemical kinetics. we have been provided a second order…

Q: For the first-order reaction, A products, if half of the initial concentration of A reacts in 20…

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Q: Show that a first order reaction can be studied even when the initial concentration of the reactant…

A: We need to show that to study first order reactions we do not need the initial concentration.

Q: A flask contains a mixture of compound X and Y. Compound X follows first order reactions but…

A: First order reaction is a reaction in which the rate of reaction is directly proportional to the…

Q: The rate of a first-order reaction is followed by spectroscopy, monitoring the absorbance of a…

A: Beer-Lambert law states that, the absorbance of a monochromatic radiation by a solution is directly…

Q: A first-order reaction is 45% complete at.6 the end of 35 minutes. What is the length of * ?the…

A: Given : Order of reaction: First order 45% completed =35 min To Find: Half life Solution: Chemical…

Q: 11 of 48 For a 1st order reaction with a starting concentration of 0.20 M will drop to what…

A: In this question we will determine the Concentration after 30s for first order reaction. You can see…

Q: Scenario: A certain first-order reaction is 39 percent complete in 65 seconds. Calculate the…

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

A: A ------ > product   For first order reaction, rate law expression is,  Rate = k[A]

Q: A 1st order process with respect to [A] is graphed and found to have a linear slope of -0.474 min1.…

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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: 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: 1) A first – order reaction is 65% complete at the end of 50 minutes . - a) What is the value of the…

A: Rate constant and half-life of first order reaction can be determined using integrated rate equation…

Q: A certain compound, X, with an initial concentration of 0.46 M undergoes a zeroth order reaction…

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Q: A  reaction that has a rate only dependent  on catalyst will be a.Zero order reaction b.First…

A: A reaction that has a rate only dependent  on catalyst will be zero order reaction.  Catalyst change…

Q: If the half of a reactant in a 1st order reaction is 25 minutes, then what is the extent of reaction…

A: Ao = Initial amount of reactant.A = Un-reacted amount of reactant.K= Rate constantt = time consumed…

Q: construct graphs showing the dependence of the percentage of residual reactants on time respectively…

A: The time taken for the completion of a definite fraction of reaction is an important characteristic…

Q: first-order process

A: Half-life is the time required for the reaction to be half completed. It is denoted by t1/2 . For a…

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: 9) If one reaction is a first-order reaction, this reaction should be a _ (a) simple reaction (b)…

A: A first order reaction is the reaction in which rate of reaction depends only on the concentration…

Q: An unknown inorganic phosphate undergoes first-order dehydration in a drying oven. Initially, the…

A: Accordingly to the question, we have:  Dehydration in the drying oven is a first order reaction.…

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 a type II second-order reaction, the reaction is 60% complete in 60 seconds when [A]0 = 0.1 M…

A: The rate constant for a second-order reaction can be given as: k=2.303(a-b)tlog(a-x)b(b-x)a…

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)