49. The half-life for a first-order reaction is 32 s. What was the original concentration if, after 2.0 minutes, the reactant concentration is 0.062 M? 0.84 M 0.069 M 0.091 M 0.13 M

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

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Q: The rate constant for this first-order reaction is 0.0179 s- at 300 °C. A - products If the initial…

A: Given chemical reaction is shown below: A→products It is a first order reaction. The value of rate…

Q: 16. For a certain first-order reaction the rate constant is 0.92 s. What percent of reactant remains…

A: The first order reactions are the ones where the rate depends linearly on the concentration of a…

Q: The decomposition of N2O5 is a first-order reaction. If the half- life time is equal to 1114 second,…

A: Decomposition of N2O5 is first order reaction.. Firstly we need to calculate the rate constant from…

Q: Butadiene C4H6, dimerizes according to the following reaction: C4H6(g)-->C8H12(g) The dimerization…

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Q: A particular reactant decomposes with a half-life of 155 s when its initial concentration is 0.274…

A: Solution The rate of reaction or reaction rate is that the speed at that reactants area unit reborn…

Q: The rate constant for this first-order reaction is 0.300 s- at 400 °C. products How long, in…

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Q: 3. The half-life for the reactant A in the first order reaction A B is 36.2 seconds. What is the…

A: We know that, Half-life of a first-order reaction = 0.693/k Where, K = rate constant  Given, t1/2 =…

Q: When studying a 1st order reaction, you measure the concentration of the reactant at two times. at…

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Q: The chemical reaction shown was performed and the concentration of CCl4CCl4 was measured over time.…

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

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

A: A second order reaction is kinetic reaction where the rate of reaction is dependant on the…

Q: The first-order reaction, SO2C12 –→ SO2 + Cl2, has a rate constant equal to 2.20 x 10s will remain…

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Q: A compound decomposes by a first-order reaction. The concentration of compound decreases from…

A: Given compound decomposes by first order reaction and concentration of compound decreses from 0.3490…

Q: What is the half-life for a particular reaction if the rate law is rate=(1181M*min-1)[A}0 and the…

A: The general form of the rate law of a reaction is: Thus,

Q: The decomposition of N,0 to N, and O, is a first-order reaction. At 730°C the half-life of the…

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Q: The rate constant for this first-order reaction is 0.0482 s at 300 °C. A- products Calculate the…

A: The integrated rate law of first order equation is ; [A]=[A]oe-kt[A]=concentration after time…

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

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Q: The initial concentration of reactant of a 2nd order reaction is 4.80 M, if the reaction has a half…

A: The rate constant of second-order reaction is calculated as,

Q: The half life for the first order decomposition of nitromethane, CH,NO,, at 500K is 650 seconds. If…

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Q: What is the half-life for a 1st order reaction, if the initial concentration of A=0.2 M and the…

A: Given:First  order reactionA0=0.2M=Initial& r=1.2 Ms=Ratet12=?

Q: The half-life for a first-order reaction, A→B is 9.79 s. If the initial [A] is 0.75 M, how long…

A: This question is related chemical kinetics. First contain all the given information. Then apply the…

Q: Determine the half-life (seconds) when the initial concentration is 0.865 M?

A: We have to find time needed to change concentration to 2.31 and half life

Q: Nitrogen dioxide undergoes thermal decomposition according to the second-order reaction 2 NO2(g) → 2…

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Q: The decomposition of N2O to N2 and O2 is a first-order reaction. At 730°C the half-life of the…

A: Given: Half-life of the reaction = 3.58x103min Initial pressure of N2O = 2.10 atm

Q: 9. The half-life for a first-order reaction is 32 s. What was the original concentration if, after…

A: Given that : Half-life for the reaction (t1/2)= 32 seconds Concentration after t = 2 minutes(= 120…

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: 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 kinetics of a gas phase reaction of the form A → Products results in a rate constant of 0.00781…

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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: 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: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

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Q: Classify the following if they represent  (A) first order reaction (B) second-order reaction (C)…

A: given, 1. 1At=kt+1A0   2. lnA0At=kt     3. At-A0=-kt             4.  At=-kt +A0…

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

A: Half life of second order reaction is inversely proportional to initial concentration

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: 49. The half-life for a first-order reaction is 32 s. What was the original concentration if, after…

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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 first order reaction SO,CI, (g) --> SO2 (g) + Cl2 (g) has a rate constant of 2.90 X 104 s at a…

A: Ans

Q: A first order reaction has a half life of 33 s. How long will it take for the reactant concentration…

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Q: The

A: We will calculate final concentration

Q: A first order reaction takes 20 minutes for 25% decomposition. Calculate the time when 75% of the…

A: The given data contains, The time required for 25% completion of reaction is 20 minutes. A=25A0=100

Q: Carbon dating is often used to estimate the age of once living organisms (which contain carbon). The…

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Q: A particular reactant decomposes with a half-life of 157 s when its initial concentration is 0.338…

A: Given datas ;  In first case , t1/2 = 157 s  [A]0 = 0.338 M  Let us assuming the second order of the…

Q: For the following second order reaction, the rate constant is 0.752 1/M s and the [A]0 = 2.86 M.…

A: Given, Rate constant of the reaction is  0.752 (Msec)-1. Concentration of sample initially, [A]0 =…

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

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Q: A drug suspension decomposes upon storage at room temperature. Drug amount over time is presented in…

A: The time v/s data given is,

Q: Given the reaction  2N2O(g) → 2N2(g) + 1O2(g)  Is a first order reaction with a half-life of 3580…

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Q: Half-life for a first order reaction 693 s. Calculate the time required for 90% completion of this…

A: When concentration of a reactant decreases to one-half of its initial value then the time required…