It takes 5 minutes to reduce a certain reactant to 75% its original value, following a third-order reaction mechanism. How long will it take to reduce the amount of the reactant to 25%?

Q: A zero-order reaction has a constant rate of 1.50×10−4 M/s. If after 80.0 seconds the concentration…

A: Given: The rate constant of a zero-order reaction = 1.50×10-4 M The concentration of reactant after…

Q: At a given temperature, a first-order reaction has a half-life of 155 minutes How many minutes…

A: The correct answer is given below

Q: For a second-order reaction, the rate constant is 6.7x102M-1s-1 at 45 degrees celsius and…

A: The relationship between rate constant and activation energy is given by  where K = rate constant…

Q: At a given temperature, a first-order reaction has a rate constant of 2.1 × 10–3 s–1. How long will…

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

Q: A second order reaction involving reactants initially present at 0.10 mol/L is found to be 20%…

A: Solutions                              Given that A second order reaction involving reactants…

Q: A first order reaction has a half-life of 829 seconds at 25oC. How long (in seconds) does it take…

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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 reaction is completed by 50% in 30.0 minutes. How many minutes is 85% complete when this reaction…

A: For calculating the required time, we will use two Equations for each part. 1st one is the…

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

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Q: Study the steps in the reaction mechanism. elementary step 1: CI + 0, → CIO + 0, elementary step 2:…

A: Overall reaction is the sum of the elementary reactions.

Q: Describe what is  First-Order Reaction?

A: First order reaction has to be described.

Q: In a second-order reaction, X +Y → Z, the initial concentrations of X and Y are 0.025 mol L' and…

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Q: Find the overall reaction order and the order of the individual reactants of each reaction.

A: The order of the reaction is defined as the relationship between the rate of the reaction and the…

Q: The initial concentration of a reactant A in a second order reaction is 0.8 M. What will be the…

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Q: A certain reaction follows a 3rd order reaction. In an experiment, starting with 100 ppm, it was…

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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: 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: 1. A 0.75 M initial concentration of a reactant is used up in a zero-order reaction. If the rate…

A: (a) Integrated rate equation for zero order reaction: k = C∘-Ct0.015 =0.75-C15C = 0.75 - 0.225 C =…

Q: Calculate the final concentration for a second order reaction with a initial concentration of 0.643…

A: Second-order reaction means the rate is directly proportional to the square of the reactant…

Q: certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate…

A: The question is based on the concept of chemical kinetics. it talks of second order reaction for…

Q: Describe how graphical methods can be used to determine the order of a reaction and its rate…

A: When a series of data which includes the concentration of A is given over fixed intervals of time,…

Q: In a first order reaction, the concentration of the reactant decays to its half in 10 minutes.…

A: The half-life of a first-order reaction can be determined by using the following formula: t12 =…

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 half-life of a first-order reaction

A: The half-life of a reaction is the time required for the reactant concentration to decrease to…

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 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 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: 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: How do you determine the overall order of the reaction?

A: Rate = k * [I-]^a * [S2O8 2-]^b k = Rate constant a,b: Order of reaction Now, Rate 1 / Rate 4 = k *…

Q: Given a set of reaction conditions, predict whether a reaction will be unimolecular or bimolecular,…

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Q: What is the half-life for a particular reaction if the rate law is rate = (801 min ')[A]?

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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 25.5 s . How long does it take for the concentration of…

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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: In a reaction mechanism, what is an elementary step? Write down the three most common elementary…

A: Elementary step: It is the step involved in the chemical reactions which tells about the progress of…

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 chemical reaction has a First-Order rate law with a half-life of 303 s. What is the value of the…

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Q: Distinguish between the following: Homogeneous and heterogeneous catalysis’ Molecularity and order…

A: 1) Homogeneous and heterogeneous catalysis                        Homogeneous catalysis…

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: Distinguish between a) an elementary reaction and the overall reaction b) molecularity and reaction…

A: Ghus question is based on the difference of them, a)An elementary reaction and the overall reaction…

Q: The rate constant for a second-order reaction was determined as 0.186 L mol-1 s-1. How long does it…

A: Given  Initial Concentration (A)0  =  0.0671 M  Remaining Concentration (A)  =  0.0125 M  Rate…

Q: Calculate the half life, in minutes, for a second order reaction with an initial concentration of…

A: • The values provided in the question are:-      i) Initial concentration of reactant, A0 = 0.45 M…

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

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Q: What is the half-life (in seconds) of a zero-order reaction which has an initial reactant…

A: Given that: Initial reactant concentration [A]∘ = 0.824 M k = 5.43×10-2M/s Half-life of zero order…

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

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Q: Gaseous NO2 decomposes by a second order process and the rate constant at 573 K is 1.1 x 102 dm3…

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