Homework (1): If you know that a substance has dissociated a first-order reaction, and if its concentration after one minute has is 0.01 mol /L, what is the initial concentration of this substance, (given that the half-life is equal to 22 seconds)?

Q: If [I1- ] is 0.080 M and [S2O82-] is 0.040 M, what is the rate constant if the reaction took 45…

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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: 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: A first order reaction initially contains 3.10 × 10²⁰ molecules. If the reaction has a half-life of…

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

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 first order reaction has a half-life of 10 minutes. The value of the rate constant, k, for this…

A: Given 4: Half-life for 1st order reaction=10 min

Q: the first order reaction A-->B+C has a half life of 3.00 minutes. What is the rate equation for this…

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Q: A first-order reaction is 45% complete at the end of 35 minutes.What is the length of the half-life…

A: Given that, the reaction is 45% complete in 35 minutes.  For a first order reaction,    ln [ A ]  =…

Q: A certain first-order reaction is 25% complete in 65s. What are the values of the rate constant and…

A: Given: The first order reaction is completed 25% in 65 s. The integral rate law equation of first…

Q: A→products What would be the final concentration of A after 37.3 minutes, if in this first order…

A: Order of a reaction  is the relationship between rate if a reaction and the concentration of the…

Q: A second order reaction is carried out in 25% after 60 minutes, if the initial concentration of the…

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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: 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: For what order reaction does the half-life get longer as the initial concentration increases?

A: Half Life of a reaction: It is the time required by reaction to get its half of initial…

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: For the first-order reaction, A products, if half of the initial concentration of A reacts in 20…

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Q: Show that a first order reaction can be studied even when the initial concentration of the reactant…

A: We need to show that to study first order reactions we do not need the initial concentration.

Q: What is the rate for the second order reaction

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Q: What data should be plotted to show that experimental concentration data fits a first-order…

A: In first order reactions, the rate of reaction depends linearly on the concentration of one reactant…

Q: a. Give a mathematical expression for the half-life of a first order reaction and of a second order…

A: The progress of the reaction depends on the order of the reaction.

Q: Rate constant is equal to the rate of reaction when molar cone, of reactants is unity. Its unit…

A: the rate law tells about the relation between the rate of reaction and the concentration of the…

Q: A first order reaction initially contains 1.00 × 10²⁰ molecules. If the reaction has a half-life of…

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

Q: A) the rate of a reaction is dependent on the equilibrium constant. B) the rate of a first order…

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Q: What is the order of the reaction if its half-life is 15 minutes. Take note that the concentration…

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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: When the initial concentration of the reactant increases, the half life of a 1st order reaction will…

A: The half-life (t1/2) of a nth order reaction is related to the initial concentration [A] of the…

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

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Q: Consider a first-order reaction with a half-life of 15 minutes. If the initial concentration is 1.50…

A: For first order kinetics:  kt = ln(A0/At) ....(1)  and t(1/2) = 0.693/k ...(2)

Q: linear reaction-time graph represents a:       Group of answer choices   1.Zero-order reaction…

A: The correct answer about reaction kinetics is given below

Q: For the zeroth-order reaction: A → products, what will happen to the rate of reaction if the…

A: Given that, Reaction is zeroth order. So,

Q: Which of the following is incorrect about a zero-order reaction? *

A: Zero-order reactions are typically found when a material that is required for the reaction to…

Q: A first order reaction initially contains 2.10 × 10²⁰ molecules. If the reaction has a half-life of…

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

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: A first order reaction initially contains 4.65 × 10²⁰ molecules. If the reaction has a half-life of…

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Q: What is the reactant concentration after 78.9 seconds for a second order reaction with a half-life…

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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: A  reaction that has a rate only dependent  on catalyst will be a.Zero order reaction b.First…

A: A reaction that has a rate only dependent  on catalyst will be zero order reaction.  Catalyst change…

Q: It will take 1.6  min for the concentration of a compund  to decrease from 0.37 M to 0.15 M in the…

A: The half life period for a first order reaction is given by  t1/2=0.693k

Q: A first order reaction initially contains 1.70 × 10²⁰ molecules. If the reaction has a half-life of…

A: The reaction is first order. Half-life of reaction = 20.0minutes For the first-order reaction, rate…

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: 6. Consider a first order reaction with a half-life of 15 minutes. If the initial concentration is…

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Q: A first order reaction initially contains 4.10 × 10²⁰ molecules. If the reaction has a half-life of…

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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: For a certain first order reaction, it takes 449 seconds for the concentration of reactant to…

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

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Q: Assuming that the loss of ability to recall learned material is a first-order process with a…

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Q: your sketch d. On the graph, sketch the predicted results for the reactant if the volume of the…

A: d. let the reaction be first order reaction. Rate=k[A]