A certain first order reaction has a rate constant 3.80e-02 1/s at 22.70 degrees Celcius. If the activation energy is 77.80 kJ/mol, what is the rate constant at 63.70 degrees Celcius? Assume that the activation energy is constant over the temperature range.       2.98e+00 1/s     5.44e+00 1/s     The answer is not shown.     2.06e+00 1/s     1.79e+00 1/s

Q: Given the same reactant concentrations, the reaction COg) + Cl,(8) → COC,(8) at 245°C is 136 times…

A: Recall the given reaction, CO (g) + Cl2 (g) -------> COCl2 (g) . The reaction at 245◦C is 136…

Q: The rate constant, k, for a first-order reaction N2O5 → NO2 + NO3 is ,16 x 103s at 0°C. The…

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Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A: Given; The Initial temperature, (T1)=1620C. The final temperature, (T2)=2880C. The initial rate…

Q: Calculate the rate constant, ?, for a reaction at 75.0 °C that has an activation energy of 82.8…

A: According to the Arrhenius equation, the rate of a reaction increases by increasing the temperature…

Q: A student collects the following data: Time (s)  [X] mol*L-1 0 0.0200 800 0.0101 1600…

A: The given data is: Time (s)  [X] mol*L-1 0 0.0200 800 0.0101 1600 0.0067…

Q: An elementary process has an activation energy of 88 kJ/mol. If the enthalpy change for the reaction…

A: Activation energy for the forward reaction, Ea(forward reaction) = 88 kJ/molEnthalpy change of the…

Q: A reaction has an activation energy of 225,0 kJ/mol. By what factor will the rate constant, k,…

A: Arrhenius equation: Arrhenius equation give the relationship between the activation energy and the…

Q: 2. The rate constant of a reaction at 32.0°C is 0.0550 s¹. If the frequency factor is 1.20 x 10¹3…

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Q: - The activation energy for the following 1st-order reaction is 114 kJ/mol. N₂0s (g) → 2 NO₂ (g) +…

A: K2  at temperatureT2(-5°C) = 2.14×10-7 s-1 Explanation:Step 1:.

Q: Consider a second order reaction: 2A + B →C If the rate constant at 500 K is 0.242 M1s 1 and the…

A: A multiple choice question based on Arrhenius equation, which is to be accomplished.

Q: A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 9.6 x 10-2 s1 at 0°C and 20.°C,…

A: The given data contains, k1=4.6×10-2/sk2=9.6×10-2/sT1=273 KT2=293 K

Q: The activation energy for a reaction is 35.8 kJ, and the rate constant for the reaction is…

A: Given :- activation energy = 35.8 kJ or 35800 J  Rate constant at 25oC(298K)= 0.010 s-1  To…

Q: The rate constant for a certain first order reaction is increased by 3 times when the temperature is…

A: The activation energy can be defined as the minimum amount of energy that reactants must possess to…

Q: Consider the coagulation of a protein at 100°C. The first-order reaction has an activation energy of…

A: The mentioned coagulation of protein is a first-order reaction. In case of first order reactions, we…

Q: 8. The rate constant for a first order reaction is 4.60 x 10* s' at 350°C. If the activation energy,…

A: Arrhenius equation that relates the rate constants k1 and k2 at respective temperatures T1 and T2…

Q: A certain substance, initially present at 0.950 M, decomposes by first-order kinetics with a rate…

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Q: er reaction has a rate constant of 1.

A: First order reaction is that which depend only on one reactant concentration. To calculate…

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

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Q: certain first-order reaction has a rate constant of 2.75 x 10-2 s1 at 20 °C. What is the value of k…

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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: 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: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

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Q: The rate constant for this second-order reaction is 0.870 M-1 . s-l at 300 °C. A → products How…

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Q: Given that the rate constant for a reaction is 5 ×1010 at 25 °C, what is its rate constant at 37 °C?…

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Q: The rate constant for this zero-order reaction is 0.0190 M · sl at 300 °C. A products How long (in…

A: For zero order reaction,   Where, [A]t = 0.940 M [A]0 = 0.290 M     k = 0.0190 M.s-1

Q: The rate constant for a first-order reaction is 4.60 x 10-4 s-1 at 350 oC. If the activation energy…

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

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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 activation energy of a certain reaction is 49.8 kJ/mol. At 26 °C, the rate constant is 0.0190s-1…

A: The problem is asking us to find the temperature at which a reaction would go twice as fast. We are…

Q: The first-order decomposition, A → products, has a rate constant of 0.0 Starting with [A], = 0.7 M,…

A: Given that rate constant = 0.02 s-1 [A0] = 0.7 M  [At] = 0.1 M

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

A: Given activation energy of a reaction= 39.5 KJ/mol=39500 J/mol We Know, the Arrhenius equation is,…

Q: The activation energy of a first order reaction is 2.03 × 105 J/mol. At 40 oC, the rate constant is…

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Q: A particular reactant decomposes with a half-life of 105 s when its initial concentration is 0.272…

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Q: The activation energy of a certain reaction is 36.9 kJ·mol−1. At 35 °C, the rate constant is 0.0135…

A: We have to calculate  a) temperature at which rate is twice as fast  b) rate constant at 225°C

Q: The rate constant for this second-order reaction is 0.350 M-1.s-l at 300 °C. A → products How long,…

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Q: Consider the following reaction: 3 Y(g) → 2 Z (g) The half life of this reaction is 12.16 days at…

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Q: A reaction is followed and found to have a rate constant of 3.36 × 104 M-1s-1 at 344 K and a rate…

A: Given data :  Rate constant,  K1 = 7.69 M-1 .s-1  At temperature,  T1 = 219 K  Rate constant,  K2 =…

Q: A first-order reaction has a rate constant of 1.10 x 10-4 s-1 at 470°C and 5.70 x 10-4 s-1 at 500°C.…

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Q: The decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) → 2 H₂(g) + ½/2 1₂ (9) is…

A: Reaction in which rate does not depend upon any reactant is known as zero order reaction.

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

A: Value of activation energy of the reaction in Joules = 39.5 × 103 = 39500 J Let the initial rate…

Q: The rate constant of a first-order reaction is 2.65 x 10 139 kJ/mol, calculate the temperature at…

A: It can solved using Arenhius equation as shown below

Q: For the elementary process, CH3Cl(g) + Cl(g)  CH3(g) + Cl2(g), the rate constant increases by a…

A: Given: Rate constant of reaction at 320 K = 23 times that of rate constant at 298 K.

Q: Consider the coagulation of a protein at 100°C. The first-order reaction has an activation energy of…

A: Arrhenius Equation can be written  as, lnk2k1=EaR1T1-1T2 Where K1 and K2 are rate constant at T1 and…

Q: The activation energy for a first order reaction is 100.6 kj/mole at 121°C. What is the rate…

A: Activation energy (Ea) = 100.6 KJ/mol ...Or because 1 KJ = 1000 J    so,  = 100.6 KJ/mol × (1000 J /…