A certain first-order reaction is 25% complete in 65s. What are the values of the rate constant and the half-life for this process?

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: 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 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: 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: If a 1st order reaction takes 72 seconds for 28% to react, what is the rate constant for the…

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

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Q: The following data are for the rearrangement of cyclopropane to propene at 500 °C. (CH)3→CH;CH=CH;…

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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: A first-order reaction is 35.6% complete in 480 s. Calculate the value of the rate constant

A: Recall the following reaction for first order reaction                                 lnAoA=Kt…

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: 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: 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: p-order reaction is 50 % lete in 120 s. What are the nd and third half-lives for this ion? ( Hint:…

A: Half life (t1/2) : time taken for half of the reaction completion is called half life  For zero…

Q: 7) A compound decomposes by a first-order process at a certain temperature. If 8.25% of it remains…

A: Given data, Final amount of reactant, A = 8.25 Time of reaction, t = 120 minutes Formula Used,…

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: A second-order reaction is exhibited by the dimerization of acetylene to form 1,3 cyclobutadiene:…

A: We have to predict the concentration of reactant after two half lives.

Q: What is the time required for the reaction to be 62% completed

A: Answer:- For a first order reaction the equation is:-    K= (2.303/t)log (a/a- X)   a= initial…

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

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

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 52

A: Solution- First order reaction-kt=In(aa-x)k=rate constantt=timea=initial concentration of…

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: Carbon-14, which is present in all living tissue, radioactively decays via a first-order process.…

A: Given: Half-life of cobalt isotope = 5.27 years

Q: Consider the following multistep reaction: C+D = CD (fast) CD +D →CD2 (slow) CD2 +D→CD3 (fast) C+ 3D…

A: For a chemical reaction, rate law is defined as the law used for studying the relationship between…

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

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Q: A first order reaction is conducted and determined to have a rate constant of 0.278 s-1. Determine…

A: The given rate constant (k) = 0.278 s-1 The initial concentration of the starting species (a) = 100%…

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: In the first order reaction:  A   -->   products, it is found that 1% of the original amount of the…

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Q: A certain first-order reaction is 45.0% complete in 65 s. Determine: (a) the rate constant and (b)…

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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: The decomposition of formic acid follows first-order kinetics and has a rate constant of 1.734 min…

A: Where k = rate constant of the reaction.

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

A: For solving this problem we must aware of the relationship between concentration, molar…

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: Insulin is a polypeptide hormone released from the pan-creas that stimulates fat and muscle to take…

A: Time at which the concentration of a substance becomes half of its initial value is called half-life…

Q: 75% of the reaction was completed in 10 minute. Calculate the half life period of this reaction if…

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Q: What is the half-life of a 1st order reaction

A: Given :- rate constant (k) = 3.7 × 10-2 s-1  To calculate :- half life (t1/2) of first order…

Q: Carbon-14 is used to determine the age of biological samples. Carbon-14 decays via a first order…

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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: For a certain first order reaction, 20 % of the reactant is consumed after the 90. min. How long…

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Q: a particular 2nd order reaction A --> products has a [A]time=0 = .45M and a [A]time=35sec = .13 M.…

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

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Q: 4.2 * 10 - 4s - 1 . What is the half- life 4. The rate constantk for a first-order reaction is equal…

A: Half life is the time at which the initial amount of reactant is reduced to it's half value.

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: 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…

Q: Calculate the half-life at 100 molecules, 50 molecules and 25 molecules for a 1st order reaction and…

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