Consider a first order reaction: 2A --> B If the initial concentration of A is 0.5 M and the rate constant, k = 0.255 s-1,  how many seconds until it reaches one-half of its original concentration? (Round to the hundredths place

Q: Name: 11. The half-life of a first-order decomposition reaction is 188 seconds. If the initial…

A: All the given questions discuss about the several concepts related to rate laws such as half life,…

Q: If the [S2O32-] is initially 2.49 x 10-4 M, and the reaction takes 160 seconds for the solution to…

A: Reaction: 2S2O32- + I2 → S4O6-- + 2I-  The reaction mixture turn blue just after the complete…

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: A second order reaction (A -->  products) has a rate constant of  6.2 x 10-4 M-1s -1 . If the…

A: Given: The rate is constant of the given reaction, (K) = 6.2×10-4M-1s -1. The initial concentration…

Q: A certain first-order reaction is 85.5 percent complete in 5.90 min at 25°C. What is its rate…

A: Given data,time=5.90minPercent of reaction completion=85.5%Temperature=25oC

Q: What is the instantaneous rate of the reaction (M/s), A → products where the value for the rate…

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

Q: A second order reaction has an initial concentration of 1.53 M.  If the half-life of the reaction is…

A: The solution is as follows:

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

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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: Given the first order reaction: Y - Z It is found that this reaction is 40.0% complete at the end of…

A: Reaction completed = 40.0 %  Time = 40 minutes Rate constant (in min-1 ) = ?

Q: The first-order reaction X → Y has a rate constant of 0.00420 s-1.  Starting concentration of X is…

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Q: The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the…

A: Given that,

Q: What is the order of a reaction where each successive half life gets shorter and is dependent upon…

A: ★ Answer :  Zero order

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: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate…

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Q: rate

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Q: A first order reaction has a rate constant of 0.239 sec-1 at 25.6 oC. If the activation energy is 62…

A: Ea = activation energyA = pre-exponential factor,R = gas constant,T = absolute temperaturek =…

Q: In a first order reaction, the concentration of the reactant drops from 0.257 M to 6.77 x 10-3 M in…

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Q: Please assist with the following sub questions of question 2. i) a first order reaction is 45%…

A: Part (i)

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,   2A →B is first order in A and has a rate constant, k, of 7.5 × 10−3 s−1 at…

A: The equation for first order rate constant is:

Q: A certain first-order reaction is 46.3% complete in 7.23 min at 25 deg Celcius. What is its rate…

A: Given-> Time = 7.23 min  Completion of reaction = 46.3%

Q: The reaction 2A -> B is first order in A with a rate constant of 2.8 x 10-2 s-1 at 80°C. How long…

A: Given details, Rate constant (k) = 2.8×10-2s-1 A0=0.88 MA1=0.14 M To calculate the time in seconds.…

Q: The rate constant for the reaction of 2A --> B is 7.57X10^-3 at 100 degrees C. The reaction is first…

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Q: The decomposition of a chemical follows the Zero order with a rate constant, k = 0.00177 M/s. If the…

A: Given data :  1) initial concentration= 1.60 M  Final concentration= 0.980 M  Rate constant, k =…

Q: Butadeine, C4H6, dimerizes into C8H12 in a reaction that is second order with respect to C4H6. The…

A: In chemical reaction the rate of reaction is proportional to exponents of concentration of reacting…

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: A first order process has an experimentally determined rate constant of 6.0 * 10 ^ - 4 * s ^ - 1 at…

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Q: Consider the reaction A --> B. The rate of the reaction is 3.2 x 10-2 M/s when the concentration of…

A: Recall the given first order reaction and write rate expression as follows…

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

A: For the first question, we have to determine the time required for the concentration of A to…

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: At a certain temperature, this reaction follows second-order kinetics with a rate constant of…

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

Q: The rate constant at 366 K for a first-order reaction is 7.7 x10-3 s-1 and the activation energy is…

A:

Q: At a certain temperature the rate of this reaction is second order in HI with a rate constant of…

A: we have to calculate the final concentration of HI

Q: 3. (a) Consider the first order reaction, A ---->  products , which has a rate constant, k = 2.95 X…

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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…

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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: 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: rate = k(NO2)(F2) b) Calculate the value of the rate constant, kk.         Express your answer in…

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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: john measures the rate constant of a first order reaction to be 1.35 × 102 s-1 at 25.0°C. What is…

A: Given: The initial temperature is 25 degree Celsius. The initial rate constant is 1.35 × 102 s-1 .…

Q: 17. A first order decomposition reaction was found to have an initial rate of 0.19 M-min- when the…

A: The rate law of the first-order reaction is given by The rate constant of the reaction is…

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 particular second order reaction has a rate constant of 0.0345 M-1 min-1 and an initial…

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Q: Find the half life time of the following reaction : A---> C Rate law = 1.0s^-1 *[A]

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Q: Consider a second order reaction: A --> B If the initial concentration of A is 0.75 M and the rate…

A: Given: Initial concentration of A, A0 = 0.75 M Final concentration of A, A=13×A0 Rate constant, k =…

Q: Which rate order is a reaction that has a rate constant that is equal to 3x10-4 M-1s-1?…

A:

Q: The rate constant, k, for a first-order reaction is equal to 4.3 × 10-4 s-1. What is the half-life…

A: half-life for the reaction is given by: