The rate constant of the hydrolysis of ethyl acetate (conc = 0.08 M) by sodium hydroxide(conc = 0.08 M) was determined by monitoring the conductance of the solution overtime. Determine the rate constant and briefly discuss how you were able to solve for it.t (s)L (uS)160101402012030108409850927085100801506518065

The progress of the reaction of hydrolysis of ethyl acetate by sodium hydroxide can be monitored…

Answered: The rate constant of the hydrolysis of…

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In aqueous solution buffered at a pH of 6.75 Penicillin G (molecular weight of 334.39 g/mole) undergoes hydrolysis via a pseudo first order reaction that has an activation energy of 77.3 kJ/mole and a pseudo first order rate constant of 1.58 x 10-7 s-1 at 30°C. If a vial of Penicillin G containing 5,000,000 units is stored under the conditions above, how many days will it take for 10% of the drug to hydrolyze?
For the gas phase decomposition of nitrosyl chloride at 400 K 2 NOCI→2 NO + Cl, the average rate of disappearance of NOCI over the time period from t = 0 s to t = 42480 s is found to be 8.69×107 M s1. The average rate of formation of Cl, over the same time period is M s1
Ethyl chloride vapor decomposes by the first-order reactionC2H5Cl→C2H4+HClC2H5Cl→C2H4+HClThe activation energy is 249 kJmol−1kJmol−1 and the frequency factor is 1.6×1014s−11.6×1014s−1. ind the value of the specific rate constant at 720 KK . Express your answer using two significant figures. Find the fraction of the ethyl chloride that decomposes in 16 minutes at this temperature. Express your answer using one significant figure. Find the temperature at which the rate of the reaction would be twice as fast. Express your answer using two significant figures.
(2) The reaction-rate data given below were obtained using a batch reaction system for the reaction A→products. Plot the data in appropriate form to test the fit for zero- and first-order kinetics. From the plot that gives the best fit, determine the appropriate reaction rate constant (remember the units). Time, min CA, (g/m3) 0 30 0.5 25.4 1 21.6 2 16.9 4 13.1 8 8.3 16 3.2 32 0.31
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The rate constants for the decomposition of an organic compound in solution is measured at several temperatures: Temp (oC) k (1/sec) 5 0.00492 15 0.0216 25 0.0950 Determine the energy of activation and pre-exponential factor.
For a simple reaction, S 1 P, k1 is the rate of the forward reaction and k-1 is the rate of the backwards reaction. The k1 in the absence of any enzyme was 0.01/s. The k1 in the presence of enzyme was 5,000,000/s. Calculate the rate enhancement (k1 catalyzed divided by k1 uncatalyzed) provided by the enzyme. If the equilibrium constant in the absence of enzyme is 1 x 104, what is the equilibrium constant (Keq) in the presence of enzyme?
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The gas phase decomposition of nitrosyl chloride at 400 K NOCI(g) NO(g) + ½ Cl½(g) is second order in NOCI with a rate constant of 5.90×10+ M's'. If the initial concentration of NOCI is 4.60×10 ² M, the concentration of NOCI will be 8.51x10 3M after seconds have passed.
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In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)→(NH2)½CO(aq) the following data were obtained: [NH,NCO], M |0.715 8.95x10-2 1.05x103 0.358 0.179 minutes 150 449 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.715 M is min and when the starting concentration is 0.358 M is min. (2) The average A(1/[NHẠNCO]) / At from t= 0 min to t= 150 min i | The average A(1/[NH,NCO]) / At from t= 150 min to t= 449 min is M min. M' min!. (3) Based on these data, the rate constant for this | order reaction is M' min!.
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The rate constant of the hydrolysis of ethyl acetate (conc = 0.08 M) by sodium hydroxide (conc = 0.08 M) was determined by monitoring the conductance of the solution over time. Determine the rate constant and briefly discuss how you were able to solve for it.