What is the half-life for a first order reaction if the initial concentration of reactant is 1.25M and after 69.2 seconds the concentration has dropped to 0.955M?

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…

A:

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: If the initial concentration of a reactant participating in a first- order reaction is increased…

A: The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, defined…

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

A:

Q: TRUE OR FALSE: The half-life of a first-order reaction, with respect to only one reactant, is…

A:

Q: Suppose that the half-life of steroids taken by an athlete is 42 days. If the steroids biodegrade by…

A:

Q: Define Half-Life of a First-Order Reaction:

A:

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 first-order reaction X → Y has a rate constant of 0.00420 s-1.  Starting concentration of X is…

A:

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: A second-order reaction has a half-life of 12 s when the initial concentration of reactant is 0.98…

A:

Q: A zero-order reaction has a half-life of 10.0 minutes when the reactant concentration is 0.250 M.…

A:

Q: A first-order reaction has a half-life of 25 minutes.  How much time is required for the reactant to…

A: Given: Half-life of first order reaction = 25 minutes The reactant is reduced to 12% of its initial…

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

A: A second order reaction is kinetic reaction where the rate of reaction is dependant on the…

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: Which of the folowing graphs represents the variation of the concentration of a particular reactant…

A: FIRST ORDER REACTION The first-order reaction is the chemical reaction in which the chemical…

Q: 49. The half-life for a first-order reaction is 32 s. What was the original concentration if, after…

A: The given data is as follows: The half-life for the first-order reaction = 32 s The original…

Q: A compound decomposes by a first-order reaction. The concentration of compound decreases from…

A: Given compound decomposes by first order reaction and concentration of compound decreses from 0.3490…

Q: Does the half-life of a zero-order reaction depend on the initial concentration of the reactant?

A:

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

A:

Q: What is the rate constant of a first-order reaction that takes 318 seconds for the reactant…

A:

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: What is the unit of k in a zero-order reaction?

A: We know that order of a reaction is the relationship between the rate of a reaction and the…

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

A:

Q: A zero-order reaction has a constant rate of 3.10×10−4 M/s. If after 80.0 seconds the concentration…

A: Given :  K = 3.10×10−4 M/s  t = 80 sec  Initial concentration = ao  Concentration after 80 sec = at…

Q: If a solution containing 14.0 gg of a substance reacts by first-order kinetics, how many grams…

A: Half-life period is the time required for the reactant (substrate) concentration to reduce to the…

Q: The initial concentration of a reactant is 1.58 M for a second-order reaction. It takes 12.3 minutes…

A: The integrated rate law for second order reaction is as follows,

Q: Age of a tree/fossils can be measured by looking at the remaining Carbon-14 in a sample. C-14 has a…

A: Half life of C-14 = 5720 years As the reaction follow first order kinetics., Rate constant, K =…

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

A:

Q: 49. The half-life for a first-order reaction is 32 s. What was the original concentration if, after…

A:

Q: What is the half-life of a first-order reaction which is 15% complete after 210 seconds?

A: Given, time to consume 15 % of reaction for first order = 210 sec we are asked to calculate the…

Q: The rate constant for a second-order reaction is 0.13 M 's1lf the initial concentration of reactant…

A: Given: Rate constant=k=0.13 M-1s-1Initial concentration=[A]o=0.26 mol/LFinal concentration=[A]t=0.19…

Q: A sample of 0.900 mol N2O is placed in a sealed container, where it decomposes irreversibly to N2…

A: Here we are required to find the time required for the reaction to be 90% complete if it's first…

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

A:

Q: The

A: We will calculate final concentration

Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A: In a first order reaction, the rate of reaction is directly proportional to the change in substrate…

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: What is the concentration of a reactant after 30 minutes, given the initial concentration is 0.10M.…

A: Given, Initial concentration of reactant [A]o = 0.10M Half-life = 75 minutes

Q: A first order reaction has a half life 445.44 seconds. What is the rate constant in reciprocal…

A: The half-life of the first order reaction is 445.44 seconds. The half-life and rate constant are…

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

A:

Q: If the initial reactant concentration of a first order reaction is 1.60 M, what would be the…

A: Given :-  Reaction is first order  Initial concentration of reactant = 1.60 M  Half life = 9 s  To…

Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A: Since the reaction is given first order  hence we can say  ln(A0 / A) = Kt  where A0 = initial…

Q: The half-life of a first-order reaction is 13 min. If the initial concentration of reactant is 0.085…

A:

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

A:

Q: Given the reaction  2N2O(g) → 2N2(g) + 1O2(g)  Is a first order reaction with a half-life of 3580…

A: