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

Q: What is the reaction rate constant given the plot of the reaction of reactant A with respect to time…

A: A question based on kinetics of reaction in solution that is to be accomplished.

Q: The reactant concentration in a zero-order reaction was 7.00x10-2 M after 185 s and 2.00×10-2 Mafter…

A: For zero order reaction, the rate constant is calculated by using formula -dAdt=k where d[A] =…

Q: The rate constant for a first order reaction is 60 s 1. How much time willit take to reduce the…

A: Given : Rate constant = 60 s-1  Order of reaction is first order.

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: The rate constant for a first-order reaction is 0.54 s What is the half-life of this reaction if the…

A: A first order reaction is one whose rate is directly proportional to concentration of reactant. It…

Q: A first-order reaction has a half-life of 11.0 seconds.  What is the value of the rate constant?  k…

A: A first-order reaction means that the rate of the reaction is directly proportional to the…

Q: The rate constant for a particular second-order reaction is 0.47 /(M×s). If the initial…

A: The speed, via which dissociation of reactants and formation of products occurs, is known as the…

Q: The reactant concentration in a first-order reaction was 6.80×10-2 M after 25.0 s and 2.10×10-3…

A: First order kinetic reaction are those in which the rate is direcdirectly proportional to the…

Q: 2. The reaction 2 NCI3 (g) → N2 (g) + 3 Cl2 (g) is found to follow second-order kinetics with rate…

A: Given, Rate constant (k) = 1.23 × 10-2 M-1s-1 Time (t) = 335 sec 2NCl3(g) ---------> N2(g) +…

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 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: 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: 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: 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: The reactant concentration in a first-order reaction was 7.10×10−2 M after 30.0 s and 5.60×10−3 M…

A: The equation for first order reaction is, A - concentration at time t Ao – initial concentration k…

Q: What are the units for the rate constant of a second order reaction? (s stands for seconds and M for…

A: Which one of the following is correct

Q: The reaction rate constant for the first order reaction is 1.15x10-3s-1. Determine the half-life of…

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

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

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

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Q: What is the half-life for a particular reaction if the rate law is rate = (821 M*min⁻¹)[A]⁰ and the…

A: The general form of the rate law of a chemical reaction is: Where k is the rate constant of the…

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: What is the rate constant of a first-order reaction if the half-life is 6.28 min?

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Q: he half-life, t2, of a chemical reaction is proportional to the initial concentration of the…

A: Half Life (t1/2):

Q: A first order reaction with respect to Reactant A has a rate constant of 4.206 x 102 minutes1. What…

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

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Q: rate constant

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

Q: What is the half-life for a particular reaction if the rate law is rate = (1021 M*min⁻¹)[A]⁰ and the…

A: The general form of the rate law of a chemical reaction is: Where k is the rate constant of the…

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

A: We have to derive the half-life equation for a second-order reaction as follows in step 2:

Q: The rate constant, k, for a first-order reaction is equal to  4.2 × 10-4 s-1. What is the half-life…

A: Given, k= 4.2 * 10-4 s-1  ( first order reaction)                       we know that the relation…

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) What is activation energy? What role does activation energy play in chemical kinetics? (b) What…

A: there are certain criteria for any chemical reaction to occur and activation energy is one of them…

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: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

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Q: The reactant concentration in a second-order reaction was 0.230 MM after 230 s and 4.20×10−2 MM…

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Q: The reactant concentration in a first-order reaction was 9.00×10−2 MM after 15.0 ss and 9.20×10−3 MM…

A: The equation for first order reaction is:

Q: The rate constant, k, is determined to be 0.25 M-1s-1 and the initial concentration is 0.50 M of a…

A: Given: Initial concentration = 0.50 M Rate constant = 0.25 M-1.s-1   Chemical reaction be, 2A →…

Q: a given temperature, a first-order reaction has a rate constant of 1.5 × 10–3 s–1. What is the time…

A: Given : Rate constant =  1.5 × 10–3 s–1

Q: The rate constant for a first order reaction is 0.54 s-1. If a 1.57 M sample reacts for 12 seconds,…

A: Rate constant K of the first order reaction is related to the concentrations of the reactants at t=0…

Q: If you are given a starting concentration vs reaction rate data for a certain reaction, which of the…

A: The order of reaction can be defined as  the power dependence of the rate of reaction on the…

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: What is the first order rate constant for the dissappearence of DDT?

A: The rate constant is depend on the rate equation for the first order reaction.

Q: The rate constant for a first-order reaction is 0.77 s^-1. What is the half-life of this reaction if…

A: The following  equation can be used to calculate the half-life of a first-order reaction. t12=ln…

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

A: The general equation of rate for a zero order reaction is given as below,  rate = kA0   -----------…

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

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Q: The decomposition of NO2 is a second order reaction and the rate constant is 0.755 L/mol-s. In an…

A: The decomposition of NO2 follows second order reaction. Rate constant = 0.755 L /mol.s  Initial…

Q: The reaction rate for the decomposition of N2O5 to form NO2 and O2 was studied as a function of…

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Q: What is the rate constant of a first-order reaction that takes 375 seconds for the reactant…

A: For the 1st order reaction we know that, t1/2 = (0.6932/K), K = rate constant.