rate constant of a first-order process

Q: After 66.0 min, 30.0% of a compound has decomposed. What is the half‑life of this reaction assuming…

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Q: Using the data in the table, calculate the rate constant of this reaction.   A+B⟶C+DA+B⟶C+D…

A: Order of reactions is sum of power of exponents to which molar concentration terms are raised in the…

Q: A first-order reaction has a rate constant of 0.33 min -1. It takes ________ min for the reactant…

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Q: The reaction 2NO2 - 2NO + 02 obeys the rate law: rate = 1.4 x 102(No21? at 500 K. What would be the…

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Q: Consider the following data obtained in a second order reaction:    NO2(g)  -----   N2O4(g)…

A: A second order reaction follow second order kinetics and the given second order reaction is, NO2(g)…

Q: A certain compound decomposes according to a first order process. If k = 5.0 X 103 s-1 at -5 degrees…

A: According to the clausius clapeyron equation, where K2 = rate constant at temperature 2 i.e 25 oC…

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

A: The given information is as follows: The rate constant for second-order reaction = 8 L mol-1 s-1 The…

Q: A products Time, s [A ], M 1.00 25 0.80 75 0.57 150 0.40 Fit this data into the integrated rate laws…

A: According to question,Given data, [A]   (in M)  Time (In sec) 1.00 0 0.80 25 0.57 75 .40…

Q: Calculate the rate constant (with appropriate units) for a first order reaction which is 16.5%…

A: Given: The reaction is first order.  Time is 213 s. The initial amount, [A]0 is 100.

Q: A first-order reaction has a rate constant of 7.5 × 10–3 s–1. How many seconds does it take for the…

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Q: 10) The unit of the rate constant for a second-order reaction is (a) sec-¹ (b) dm-mol-²-sec-¹ (c)…

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Q: The rate constant for a particular second-order reaction is 0.25 M-1s-1 . If the initial…

A: The rate constant for a particular second-order reaction is 0.25 M-1s-1  . If the initial…

Q: A substance A is consumed by a reaction of unknown order. The initial concentration is 2 mM, and…

A: For a first order reaction, as shown in the following figure, the plot of the logarithm of [A]…

Q: At which times during the reaction wouldyou have trouble distinguishing a zero-orderreaction from a…

A: Zero order reaction: Reaction in which rate is independent on the concentration of reactant. First…

Q: The second-order rate constant for the following gas-phase reaction is 0.042 1/M.s. We start with…

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Q: 7) A compound decomposes by a first-order process at a certain temperature. If 8.25% of it remains…

A: Given data, Final amount of reactant, A = 8.25 Time of reaction, t = 120 minutes Formula Used,…

Q: For a second-order reaction: A+B> P, the initial concentrations of A and B were 0.080 mol dm-3 and…

A: Given Second order reaction is :  A + B →       PInitial concentration of A = 0.080 moldm3Initial…

Q: What is the molecularity of the rate limiting step for the mechanism below? Step 1: H2O2 (aq) +…

A: Molecularity of each elementary step of a chemical reaction is the number of reacting species coming…

Q: A certain first-order reaction A → B is 86% complete in 42 min at 25°C. What is the half-life of the…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: What is the rate equation of a reaction A + B ---> C which has a first order rate for [B] and…

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Q: A first order reaction takes 40 min for 30% decomposition. Calculate t₁/2

A: Given :- A first order reaction takes 40 min for 30% decomposition  To calculate :- t1/2

Q: The reaction H2O + SO3 → H2SO4 is a source of acid rain in Earth’s atmosphere. It is thought to…

A: 1) The given reaction is: H2O+SO3 →k1H2OSO3 The experimental rate law if this reaction is the rate…

Q: 12. What is the half-life of a 1st order reaction whose rate law constant is 3.7x10-3s-1? a. 190…

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

A: Given data is as follows:                The rate constant (K) of the first order reaction =…

Q: In 30.0 minutes, a first order reaction is 25% complete. Calculate how long it will take for the…

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Q: What are the units on a first order rate constant? Select one: a. M/s b. M-1s-1 c. MS d. s e.…

A: The unit of the rate constant is expressed as: Unit of rate constant = (Unit of…

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: What is the half-life of a 1st order reaction whose rate law constant is 7.6x10-4s-1? A.…

A: half life = .693/.00076 half life = 910

Q: For a first order reaction that has a half-life of 69 s at 80 celsius, the value of the rate…

A: Given, For a first order reaction, Temperature (T)  Half Life (t1/2) = 69 s Rate constant (k) = ?…

Q: Consider a first order reaction: 2A --> B If the initial concentration of A is 0.5 M and the rate…

A: The question is based on the concept of chemical kinetics. we have to calculate the time required…

Q: The rate constant of a first-order process that has a half-life of 3.50 min is Select one: O A.…

A: We have half life as 3.5 min, we have to calculate the rate constant value in s-1 .

Q: linear reaction-time graph represents a:       Group of answer choices   1.Zero-order reaction…

A: The correct answer about reaction kinetics is given below

Q: A first order reaction A --> products has a rate constant of 0.120 min-1. Determine the…

A: A ——> Products Rate constant (k)  = 0.120 min-1 [A0] = initial concentration = 0.500 M Final…

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

A: The integrated equation for second order reaction is shown below: Where; [A] = concentration at…

Q: What is the half-life of a 1st order reaction

A: Given :- rate constant (k) = 3.7 × 10-2 s-1  To calculate :- half life (t1/2) of first order…

Q: [A] [B] initial rate 0.010 0.025 1.90 x 10-5 7.60 x 10-5 3.04 x 10-4 0.020 0.025 0.020 0.050 at is…

A: Given : We have to calculate the rate constant for the reaction.

Q: 2A + 20 -> F + 2E Step 1: A + A B k/k1 (very very fast) Step 2: B + C->D+E k2 (fast) Step 3: D+ C->…

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Q: For the following second order reaction, the rate constant is 0.0462.  If [A]0 = 8.27, calculate [A]…

A: Given data is as follows: The equation for second order reaction for calculation of [A] is as…

Q: 1. Graph the following data as time vs. [A], time vs. In[A], and time vs. 1/[A] to determine if the…

A: The order of reaction is to be determined by plotting the graphs for given data. Given: If the plot…

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

A: Consider the given information is as follows; Order of the reaction = 0 Rate constant (k) = 1.44 mol…

Q: A different beta blocker is eliminated by a second-order process with a rate constant of 7.6x10-3…

A: Since the concentration time equation for 2nd order reaction is as shown below. where [A] = final…

Q: 1st-order reaction with a single reactant, whose initial concentration is 0.87 M, has a rate…

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Q: A first-order reaction has a rate constant of 4.38 × 10^-4 s-1 at a certain temperature. Calculate…

A: Given values are,  Order of reaction = 1st Rate of reaction = 4.38×10-4 s-1 Halflife=?

Q: Of the units below __ are appropriate or a third order reaction rate constant. M-2s-1 Ms-1…

A: We know that, for n-th order reaction ,                  Rate = k [A]n            or, k = Rate /…

Q: What are the units on a second order rate constant? Select one: a. MS b. M-1s-1 c. s d. s-1 e.…

A: The rate constant of second order reaction is denoted as k.

Q: What are the correct units for the rate constant in a zeroth order overall reaction rate? O M1s1 O…

A: GivenOrder of reaction = ZeroUnits for rate constant = To be determined

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

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Q: 4.2 * 10 - 4s - 1 . What is the half- life 4. The rate constantk for a first-order reaction is equal…

A: Half life is the time at which the initial amount of reactant is reduced to it's half value.

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

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