A first-order reaction has a half-life of 25 minutes.  How much time is required for the reactant to be reduced to 12% of its initial concentration?

Q: A first-order reaction has a rate constant of 0.021 min-1. How long will it take for the reaction to…

A: The objective of the question is to find out the time it will take for a first-order reaction to be…

Q: hat is the rate constant of a first-order reaction if the half-life is 6.14 n?

A: Half life of first order reaction is independent on initial concentration of reactant.      Given…

Q: rate constant

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Q: What is the rate constant for a first order reaction for which the half-life is 85.0 sec?

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

Q: A certain first-order reaction has a rate constant of 0.00950 1/min at 300 K. What is the half-life…

A: Half life is the time when the concentration of reactants becomes half.

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: A particular first-order reaction has a rate constant of 0.015 s–1. What is the half-life for this…

A: Given -> Rate constant = 0.015 s-1 -> Half life of first order reaction is independent of…

Q: A certain medication contains 200 mg of active ingredient per tablet. The medication is metabolized…

A: Initial Amount = 200 mg  According to question 150 mg has been metabolised in the body &…

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

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Q: Describe what is  First-Order Reaction?

A: First order reaction has to be described.

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: half-life of a reaction, f/2, is the time it takes for the reactant concentration Alto ase by half.…

A: Given question is related to the rate equation of first order and second order reactions.

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: The dissociation of sulphonyl chloride, SO2C12 occurs as follows: SO2Cl2 → SO2 + Cl2 The reaction is…

A: The reaction  SO2Cl2→SO2 + Cl2 is a first order gas reaction with k=2.2×10-5s-1  at 593 K. Thus by…

Q: A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-…

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Q: How to Determine First-order Reaction?

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

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

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

Q: :A tain first-order reaction (A-sproducts) has a rate constant of 5.70x10s' at 45 °C. How many…

A: For second order kinetics,  Half life(t1/2) = 1/k[Ao]      [Ao] = 1/k.t1/2   = 1/1.0×10-3× 218 =…

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

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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: The half-life for a first order reaction is 85min. What is the rate constant?

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Q: A reaction is observed to have a rate constant of 35 min¹. Calculate the corresponding half-life for…

A: Given, rate constant (k) = 35 min-1 As the unit of rate constant is time-1,it is a first order…

Q: Half-life equation for first-order reactions: t1/2=0.673k  where t1/2 is the half-life in seconds…

A: Given:t1/2=0.673k  K = 6.50×10−3 s−1

Q: How might you experimentally distinguish between a first-order and second-order kinetic reaction?

A: reaction order must be determined experimentally. follow the reaction by making measurement of the…

Q: A first-order reaction has a half-life of 15.5 s . How long does it take for the concentration of…

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

A: The half-life of a first-order reaction does not depend on the initial concentration of the…

Q: What is the rate constant of a first-order reaction that takes 459 seconds for the reactant…

A: The time taken during a reaction to reduce the concentration of a reactant to half of its initial…

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: Suppose that the half-life of a stimulant shot into a race horse is 28 days. Assuming the stimulant…

A: The time required for half of the reaction to break up into the original concentration is known as…

Q: A certain first-order reaction has a rate constant of 1.60×10−3 s−1. How long will it take for the…

A: Use integrated first order rate equation for the calculation of the time required for the above…

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

A: The rate of a chemical reaction is defined as the change in the concentration of a reactant or a…