The rate constant for a first-order reaction is 0.54 s¬1. What is the half-life of this reaction if the initial concentration is 0.33 M? 0.31 s O 1.8 s 1.3 s 5.6 s 0.089 s

Q: 24. The half-life for the reactant A in the first order reaction A B is 36.2 seconds. What is the…

A:

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

A: k = 8.84 L mol-1 s-1 initial concentration = 99.8 mol/L.

Q: 5. For a certain first-order reaction with the general form aA → products, the rate is 0.32 M•s-…

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Q: The reaction 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k of 1.13…

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Q: 9 - Molecular bromine, Br2 (g) dissociates into bromine atoms at 625 K with a first-order rate…

A: Given, K = 0.271 s-1  Half life = ?

Q: What do you understand by the rate law and rate constant of a reaction? Identify the order of a…

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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 rate constant, k, for a first-order reaction is equal to 3.60 × 10-5 s-1. What is the half-life…

A:

Q: The first-order decomposition of cyclopropane has a rate constant of 6.7 x 10-4 s-1.  If the initial…

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Q: The rate constant for a reaction is 1.4×10" dm°mol¯'s. Calculate the half-life of this reaction if…

A: Half - life period of a Reaction:The time during which the concentration os a reactant is reduced to…

Q: In a first-order reaction, the half-life is 137 minutes. What is the rate constant? O 1.22 x 10-4…

A: The rate constant and half life of first order reaction is related as follows - Half-life = 0.693/k

Q: The decomposition of a radioactive substance is a first-order reaction. If the half-life of the…

A: Given: Initial concentration=[Ao]=0.360 MFinal concentration=[A]=0.0450 Mt12=69.3 hr To calculate:…

Q: How many half-lives are required for the concentration of reactant to decrease to 12.5% of its…

A: Given,

Q: For the reaction 6CH2O(aq) + 4NH3(aq) → (CH2)6N4(aq) + 6H2O(l) the rate of the reaction may be…

A: Given,

Q: How long will it take for the concentration of A to decrease from 1.25 M to 0.249 for the second…

A:

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: Consider a first order reaction: A --> B If the initial concentration of A is O.75 M and the rate…

A: For a first order reaction, the half life is calculated using the formula, t1/2 = 0.693/k; where k…

Q: The half life for a first order reaction is 45 min. What is the rate constant in units of s? Multple…

A: Note : Half life (t 1/2) = 0.693 / K . See below.

Q: What is the half-life for the decomposition of O3 when the concentration of O3 is 2.35 × 10−6 M? The…

A:

Q: The reaction of fluorine and chlorine dioxide, shown below, is first order with respect to fluorine…

A: Given, The reaction of fluorine and chlorine dioxide, shown below, is first order with respect to…

Q: The kinetics of a particular reaction are described by the following rate law: Rate = k (A][B]*[C]…

A: The kinetics of the considered reaction has been described by the rate law as,

Q: A zero-order reaction has a first half-life of 964 s. What will be the value of the seventh…

A: The half-life of the reaction is the time in which the concentration of the reacting species is…

Q: (8) For the second order reaction 2A →B + C with a rate constant of 1.2 x 10² L/mol s, Calculate the…

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Q: The rate constant for a second-order reaction is 0.54 M 1s1. What is the half-life of this reaction…

A:

Q: a. R = k[A][B] b. R = k[A]³[B] c. R = k[A][B]² d. R = k[A]³[B]?

A:

Q: Predict the rate law for the reaction 2BrO(g)Br2 (g)+O2 (g) if the following conditions hold true:…

A: 2BrO(g)Br2 (g)+O2 (g)if the following conditions hold true: The rate is unchanged when [BrO] is…

Q: Q4: The rate constant for a second-order reaction is 0.13 M's'. If the initial concentration of…

A:

Q: Butadiene can undergo the following reaction to form a dimer (two butadiene molecules hooked…

A: Initial concentration of A = 0.710 M Half - life = 5.92 x 10-2 s The half - life of second order…

Q: Suppose that the second order reaction L products has a rate constant k = 4.62 x 10-5 M-1. min 1.…

A:

Q: How long will it take for the concentration of A to decrease from 1.25 M to 0.269 for the second…

A: Initial concentration of A = 1.25 M  Reduced concentration of A = 0.269 M  Rate constant (k) = 1.52…

Q: The initial concentration of a reactant is 1.58 M for a second-order reaction. It takes 12.3 minutes…

A: The integrated rate law for second order reaction is as follows,

Q: The rate constant for the following second-order reaction is 0.80/(M·s) at 10°C 2NOBr(g)→2NO(g) +…

A: For the second-order kinetic, the half-life is calculated as shown in equation (1) where ‘k’ is the…

Q: the rate constant for the first-order decomposition of N2O is 2.97 s^-1. what s the half-life of the…

A:

Q: The decomposition of hydrogen peroxide is considered to be a first order reaction.  The rate…

A: Given: The rate constant = 6.40 × 10-5 s-1 The initial concentration of H2O2 = 0.30 M

Q: Match the units of k, the rate constant, to the overall order of the reaction first order 1. mol L-1…

A: Match the correct option regarding the given question---

Q: The rate law for the reaction 3A → C is as follows: Rate = 4,36 x 10–2 [A]2. What is the half-life…

A:

Q: At a given temperature, a first-order reaction has a rate constant of 2.8 x 10-3s. The time required…

A: Given, for a first-order reaction, rate constant (k) = 2.8×10-3 s-1 let the initial concentration of…

Q: 11. A first-order reaction has a rate constant of 3.00 x 10-3 s1. Determine the minimum time needed…

A: In first order reaction, rate depends on concentration of the reactant.

Q: How long will it take for the concentration of A to decrease from 1.25 M to 0.289 for the…

A:

Q: The rate constant for the first-order decomposition of N20 is 3.40 s1. What is the half-life of the…

A:

Q: The rate constant for a second-order reaction is 0.13 M 's1lf the initial concentration of reactant…

A: Given: Rate constant=k=0.13 M-1s-1Initial concentration=[A]o=0.26 mol/LFinal concentration=[A]t=0.19…

Q: The half-life for the second-order decomposition of HI is 15.4 s when the initial concentration of…

A: Given that the decomposition of HI is a second-order reaction.

Q: Predict the rate law for the reaction 2 BrO(g) → Br2(g) + O2 (g) if: The rate is unchanged when…

A: the reaction is given by 2 BrO(g) → Br2(g) + O2 (g)

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: How many half-lives are required for the concentration of reactant to decrease to 1.56% of its…

A: final concentration is 1.56 %  So, initial concentration will be 100 %

Q: The half-life of a first-order reaction is 13 min. If the initial concentration of reactant is 0.085…

A:

Q: The reaction is 2A3 3B2 + F The corresponding rate law is, rate = k[A3]² [F]. It means that the…

A: Given reaction is, 2A3------>3B2 +F And  Rate= k[A3]2 [F]-1  So from this we can say , order of…

Q: The rate constant for a second order reaction is 3.33×10² L mol's. The initial concentration of the…

A: Given data:  Rate constant K = 3.33×10-2 L mol-1s-1 Initial concentration A0=0.5 mol/L