For the first order reaction below the initial concentration of A is 0.78 M. What is the rate constant if the concentration decreases for .39 M in 25 seconds  A==> B, rate = k[A]

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

Q: The rate constant for a first order reaction is 1.72 x 10^-4 s^-1 at 113°C. What is the activation…

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Q: [NO2] (M) time (s) 0.0831 0.0 0.0666 4.7 0.0567 8.8 0.0497 12.7 0.0441 16.6 The table…

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Q: Consider a first order decomposition reaction of A with t1/2 = 95.0 seconds. If the initial…

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Q: The following reaction is second order in respect to NO and first order in respect to H2.  The rate…

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Q: The reactant concentration in a second-order reaction was 0.650 M after 165 s and 1.40×10−2 M after…

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Q: For a starting concentration of 1.0 M, the concentration after 5 minutes for a first-order reaction…

A: For a first order reaction the rate  law can be written as, rate= k[A] Where [A]  is the…

Q: The reactant concentration in a first-order reaction was 9.80×10−2 M after 45.0 s and 9.30×10−3 M…

A: Ao = 9.8 x 10-2 M A = 9.30 x 10-3 M t =( 100-45) = 55 s

Q: Calculate the rate constant (in units M/min) for a zero order reaction

A: Given :        t1/2 = 82.4 min        [A]o=0.787 M To calculate :           rate constant (k)

Q: A first order reaction has a rate constant of 7.65 x 10-2 s-1.   If the initial concentration of…

A: Given: The rate constant for the first-order reaction, k= 7.65 x 10-2 s-1 The initial concentration…

Q: rate

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Q: ?       1.33e-06 1/s     The answer is not shown.     8.61e-07

A: Integrated equation for first order reaction is ;  kt = 2.303 • log( a/a-x )  At half life…

Q: The following reaction was determined to be elemtary: A + 2B -> C What is the overall of the…

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Q: The reactant concentration in a second-order reaction was 0.180 mol L−1 after 240 s and 3.80×10−2…

A: Given : Concentration of reactant after 240 s = 0.180 M Concentration of reactant after 805 s = 3.80…

Q: rate constant of a first-order process

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Q: [NO2] (M) time (s) The table gives the concentrations of NO2(g) as a function of time at a certain…

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Q: A first order reaction takes 10 minutes for 25% decomposition. Calculate t1/2 for the reaction.…

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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=?

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Q: The following data were collected for a certain reaction of the type A → products. Determine the…

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Q: a. The reactant concentration in a first-order reaction was 7.40×10−2 M after 35.0 s and 9.60×10−3 M…

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Q: 4. For a first order reaction (A) → products. The concentration of A changes from 0.1M to 0.025 M in…

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Q: What amount of time is required for the concentration of A to decrease from 0.800 M to 0.195 M in…

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Q: Calculate the value of the reaction rate constant if the initial concentrations of "A" is 0.05M and…

A: Given :-  [A] = 0.05 M  [B] = 0.08 M  Order with respect to B is 2  Reaction Rate = 1.6 × 10-3 M/s…

Q: . (a) What is the rate constant for a second-order reaction with an initial reactant concentration…

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A: 2HI (g) ------> H2 (g)+ I2 (g) Reaction follows 2nd order kinetics. Rate constant, k = 0.372…

Q: Half-life equation for first-order reactions: t1/2=0.673k  where t1/2 is the half-life in seconds…

A: Given:t1/2=0.673k  K = 6.50×10−3 s−1

Q: For the 1st order reaction whose rate law constant, k, is 2.5x10-5s-1,

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

A: Given : Initial concentration of reactant = 0.104 M Order of reaction = 1 And rate constant of…

Q: The reaction 2 A(g) -->  A(g) obeys zero-order kinetics. The reaction begins with 5.57E2 g of A.…

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Q: 38- The reaction A → product is second order reaction, A solution originally at 0.6 M is found to be…

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Q: A reaction is second order with respect to reactant "A" and has a rate constant of 2.97 x 10-2…

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Q: (a) For the generic reaction A ---> B. If this is a first-order reaction, what quantity when graphed…

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Q: In a second order reaction,  2 NO 2(g)  --> 2 NO  (g) + O 2(g)     Initial concentration of NO 2 is…

A: Given data :  1. Initial concentration of NO2 = 0.7650 M  2. Rate constant : 0.5411 M-1s-1  3. Time…

Q: The initial rate of a reaction which is first order in A is 2.0 x 106 M/s when the initial…

A: For a first order reaction, A -> B Rate of reaction = k [A] Hence, initial rate of reaction  = k…

Q: A)  The reactant concentration in a zero-order reaction was 0.100 mol L−1 after 140 s and 1.00×10−2…

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Q: For the first order reaction below, the initial concentration of A is 0.58 M. What is the rate…

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Q: The decomposition of nitrogen dioxide is a second order reaction. At 560 K, a 0.25 M sample…

A: Rate= k [NO2]2 , because it is a second order reaction.

Q: The reactant concentration in a first-order reaction was 5.80×10−2 M after 40.0 s and 1.60×10−3 M…

A: Given: Order of the reaction = 1 Concentration of reactant after 40.0 s = 5.80 X 10-2 M And final…

Q: 5. The first-order rate constant for hydrolysis of a certain insecticide in water at 12° C is 1.45…

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Q: Dinitrogen pentoxide, N2O5, decomposes by a first order reaction with an activation energy of 110…

A: The late law for the first order reaction is given by, Rate=k[A] where k is the rate constant and…

Q: A)  The reactant concentration in a zero-order reaction was 0.100 mol L−1mol L−1 after 140 ss and…

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Q: The reactant concentration in a zero-order reaction was 9.00×10−2 MM after 115 ss and 3.50×10−2 MM…

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