(a) A certain first-order reaction has a rate constant of2.75 x 10-2 s-1 at 20 °C. What is the value of k at 60 °Cif Ea = 75.5 kJ/mol ? (b) Another first-order reaction alsohas a rate constant of 2.75 x10-2 s-1 at 20 °C. What isthe value of k at 60 °C if Ea = 125 kJ/mol ? (c) What assumptionsdo you need to make in order to calculate answersfor parts (a) and (b)?

Q: For the reaction A(g) → B(g) + 4 C(g), what is the rate of pressure change for C if the pressure…

A: A(g) → B(g) + 4 C(g)            -d[A]/dt=1/4 d[C]/dt       Active replace with pressure…

Q: In a first-order decomposition reaction, 50.0% of a com-pound decomposes in 10.5 min. (a) What is…

A: Given   The time taken for fifty percent decomposition is 10.5 min.

Q: (Q91) The activation energy for a certain reaction is -179 kJ/mol. If the rate constant is 116 M-1s1…

A:

Q: If a reaction with an activation energy of 45.2 kJ/mol occurs with a rate constant of 0.39 s-1 at…

A: Given: Activation energy (Ea) is 45.2 kJ/mol. Rate constant at -30°C k1is 0.39 s-1. First…

Q: Calculate the first order rate constant (ins ) for a reaction with an activation energy of 14 kJ.mol…

A: The rate constant can be calculated using Arrhenius equation given as :  k = Ae-Ea/RT  Here , A is…

Q: (a) A certain first-order reaction has a rate constant of 2.75 * 10-2 s-1 at 20 °C. What is the…

A:

Q: A certain first-order reaction has a rate constant of -3.-1 1.0 X 10 s at 25 °C. (a) If the reaction…

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Q: a.The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 ×…

A: The question has two subparts which has been solved below

Q: The rate constant of a reaction is 4.50X10⁻⁵ L/mol s at195°C and 3.20X10⁻³ L/mol s at 258°C.…

A: Record the given data, k1 = 14.50 x 10-5 L/moles k2 = 3.20 x 10-3 L/moles T1= 195ºC T2= 258ºC Ea = ?

Q: The activation energy of a certain reaction is 33.6 kJ/mol . At 21  ∘C ∘C , the rate constant is…

A:

Q: The rate constant for this zero-order reaction is 0.0320 M s- at 300 C. A products How long (in…

A: Zero order reaction :- Reaction in which rate is independent of concentration of reactants is called…

Q: 3. The following results were obtained by monitoring the reaction H+I + 1/2 H,O, - 1/2 Ly + H,O (aq)…

A: We have to determine the order of the reaction with respect to I- and H2O2 and we have to determine…

Q: The rate constant of a first order reaction is 4.60x10-4s-1 at 350.°C. If the activation energy is…

A: Solution: We have rate constant (k1) at 350 degree is 4.60*10^-4 s^-1 and to find is rate constant…

Q: 3. A particular first-order reaction has a rate constant of 1.35 × 10² s-l at 25.0°C. At what…

A: The integrated rate law equation for the first order reaction is, Where, Ea is the activation…

Q: Cyclobutanone (cyclo-C4H&O) undergoes a multi-step decomposition to give ethylene (C2H4) and a…

A:

Q: Question: For the reaction NO,CI + NO → NO; + NOCI, the frequency factor is 8.3 x 10' dm mol's' and…

A: given reaction is NO2Cl+NO→NO2+NOCl frequency factor=8.3×108dm3mol-1s-1 Ea=28.9 kJ/mol…

Q: If a reaction is first-order with respect to a particular reactant, when the concentration of that…

A: The question is based on the concept of chemical kinetics. we have to predict the effect on rate of…

Q: The rate constant for this zero‑order reaction is 0.0190 M·s−10.0190 M·s−1 at 300 ∘C.300 ∘C.…

A:

Q: A reaction is of second order with respect to a reactant. How will the rate of reaction be affected…

A: A reaction is of second order with respect to a reactant. How will the rate of the reaction be…

Q: When the reaction A → B + C is studied, a plot 1/[A]t vs. time gives a straight line with a positive…

A: Since the plot of 1/[A]t vs. time is a straight line So we can say that the line of equation will…

Q: Molecular iodine, I2(g), dissociates into iodine atoms at 625 Kwith a first-order rate constant of…

A: Half-life is the time required for the reaction to be half completed. It is denoted by t1/2 . For a…

Q: Ca lcu late the ratio of rates of catalysed to non-catalysed reactions at 37 oC given that the…

A: From the  Arrhenius equation: k=Ae-EaRT Where, k is rate constant, A is pre-exponential factor, Ea…

Q: The reaction A → B + C is known to be zero order in A with a rate constant of 5.0 × 10–2 mol/L·s at…

A: Rate of reaction is equal to the change in concentration of reactant or product with respect to…

Q: Question: For the reaction NO,CI + NO → NO, + NOCI, the frequency factor is 8.3 x 10 dm mol's" and…

A: The rate constant for the reaction can be calculated with the help of the Arrhenius equation.

Q: I have no idea how to enter these into my calculater to get the correct answer. The rearrangement…

A: Given: The reaction is first order. Initial concentration = 0.179 M Final concentration = 0.0292 M…

Q: 2. This reaction has been studied in the laboratory, and the following rate data were determined at…

A: The rate of a reaction is defined as the change in concentration of the reactants at a given time.…

Q: The reactions in the table are all zero order and follow the same general reaction process of A…

A:

Q: If a temperature increase from 10.0 °C to 20.0 °C doubles the rate constant for a reaction, what is…

A:

Q: The gas-phase reaction of NO with F2 to form NOF and Fhas an activation energy of Ea = 6.3 kJ/mol.…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Question: For the reaction NO,CI + NO → NO, + NOCI, the frequency factor is 8.3 x 10' dm mol's' and…

A: The given reaction is: NO2Cl + NO → NO2 + NOCl Frequency factor of the reaction (A)= 8.3×108…

Q: For the reaction A(g) → B(g) + 4 C(g), what is the rate of pressure change for C if the pressure…

A: For the reaction A(g) → B(g) + 4 C(g), we have to calculate  rate of pressure change for C if the…

Q: ta certain temperature the rate of this reaction is second order in N,O, with a rate constant of…

A: Given : Rate constant = 0.0326M-1sec-1

Q: A certain first-order reaction has a rate constant of 2.35 x 102 s-1 at 25°C. What is the value of k…

A:

Q: The rate constant for this first‑order reaction is 0.660 s−10.660⁢ s−1 at 400 ∘C.400⁢ ∘C.…

A:

Q: Q2/ A) The following reaction was monitored as a function of time: A B + C A plot of In[A] versus…

A: Given that the plot of ln[A] versus time yields a straight line. So the reaction should follow first…

Q: A first-order reaction A ¡ B has the rate constant k = 3.2 * 10-3 s-1. If the initial concentration…

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Q: (a) The reaction H2O2(aq)---->H2O(l) + 1/2O2(g) is firstorder. At 300 K the rate constant equals…

A:

Q: The rate constant for a given reaction is k = 0.312 M1s1. If the initial concentration of reactant…

A: Given,  Rate constant, k = 0.321 M-1s-1  Initial concentration, [A]0 = 1.00 M  According to the…

Q: The rate constant for this second‑order reaction is 0.550 M−1⋅s−10.550⁢ M−1⋅s−1 at 300 ∘C.300⁢ ∘C.…

A: Ans is 2.31sec

Q: The reaction A → B + C is found to be zero order. If it takes 4.2  102 seconds for an initial…

A: Order of reaction = zero order  Time = 4.2 ×102 sec  Initial concentration = 0.58 M Final…

Q: A particular reaction has an activation energyof E a 189 k//mol . the rate constant for the reaction…

A: Given, Ea=189 KJ/mol rate constant ,K1=0.00205 s-1 Temperature, Ti= 457°C=(457+273)K=730 K rate…

Q: Q2/ A The following reaction was monitored as a function of time: A+ B+C A plot of In[A] versus time…

A:

Q: a particular 2nd order reaction A --> products has a [A]time=0 = .45M and a [A]time=35sec = .13 M.…

A:

Q: A first-order reaction has rate constant of 1.89 x 10 at 25 "C. a What fraction aof the starting…

A:

Q: A certain second-order reaction (B>products) has a rate constant of 1.85x10-° M.s'at 27 °C and an…

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Q: (a) What factors determine whether a collision betweentwo molecules will lead to a chemical…

A: (a) The activation energy is barrier between the reactants and products of a reaction. Only those…

Q: 2: When the concentration of a reactant changed from 0.5 mol L- to 1.03 mol L, the half-life of the…

A:

Q: Consider the reaction 2A + B _______> ProductsWhen concentration of B alone was doubled, half…

A: Given: 2A+ B → P When the conc. of only B was doubled for the reaction and there was no change…

Q: (a) The decomposition of A into products has a value of K as 4.5 × 103 s-1 at 10°C and energy of…

A: Rate of a reaction as well as the rate constant increases with increase in the temperature. The…