What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 78.0 s?

Q: ▼ Part A - Using the definition for mole fraction. A solution was prepared by dissolving 175.0 g of…

A: First we have to calculate the moles of KCl and moles of water,mass of KCl = 175.0 gmolar mass of…

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: At 568°C, cyclopropane rearranges to forms a molecule with a carbon-carbon double bond. C3H6…

A: reaction is first order kinetics  half-life time (t1/2) 1588 seconds intial concentration = A0 =…

Q: hat is the integrated rate law for a first-order reaction?

A: In first order kinetics reaction rate is depend upon only one reactant

Q: What is the half-life of a first order reaction with a rate constant of 0.457 s?

A: The time required for the reactant's concentration to reach half of its initial concentration is…

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 82.0 s?

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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: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 38.5 s?

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Q: Describe what is  First-Order Reaction?

A: First order reaction has to be described.

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 60.0 s?

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Q: What is the phenomena behind first-order reactions?

A: A question based on introduction to chemistry. A statement based question about chemical kinetics is…

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 half-life for a second order reaction is 50 sec when [A]0=0.84 mol L−1. The time needed for the…

A: Given, For second order reaction, Half life (t1/2) = 50 s Initial concentration = [A]o = 0.84 mol/L…

Q: The rate constant for this first-order reaction is 0.0 A →→ products After how many seconds will…

A: Rate constant (k) = 0.0160 s-1Let Initial amount (a)= 10012.9 % of reactant remainHence Final amount…

Q: What is the rate constant of a first-order reaction if the half-life is 6.62 min

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Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 54.5 s?

A: Answer:Here:

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 68.5 s?

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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: Upon heating, the gas cyclopropane (CH2)3 undergoes isomerization to form propene (CH3CH=CH2) The…

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

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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: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 30.0 s?

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

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: What is the half-life for a first order reaction if the initial concentration of reactant is 1.25M…

A: Given that it is a first-order reaction. Initial concentration [Co]= 1.25M Final concentration[C] =…

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

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Q: Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in…

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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: The half-life for the first-order reaction A(g) → B(g) + C(g) is 318 s. Find the percentage of A…

A: Determination of the percentage of A. Given:

Q: Butadiene (C4H6C4H6) reacts with itself to form a dimer with the formula (C8H12C8H12). The reaction…

A: Second order reactions can be defined as chemical reactions in which the sum of the exponents in the…

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…

Q: Determine the rate constant k of a zero-order reaction in M/s, if the initial concentration of…

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