The hydrolysis of the sugar sucrose to the sugars glucose and fructose can be described as follows. C12H22011 + H,0 - C,H120, + C,H1206 This reaction follows a first-order rate equation for the disappearance of sucrose: rate - k [C,,H2,0,1 (The products of the reaction, glucose, and fructose, have the same molecular formulas but differ in the arrangement of the atoms in their molecules, I.e. they are Isomers.) (a) In neutral solution, k- 1.8 x 10"1 s at 26°C and 8.5 x10-" s- at 37°C. Determine the activation energy (in k)/mol), the frequency factor (in s"), and the rate constant (In s) for this equation Arrhenlus equation at this temperature). (Enter unrounded values.) 48°C (assuming the kinetics remain consistent with the activation energy 108 v k)/mol frequency factor s-1 rate constant x s1 (b) When a solution of sucrose with an Initial concentration of 0.130 M reaches equilibrium, the concentration of sucrose is 1.40x10- M. How long (In s) will it take the solution to reach equilibrlum at 26°C in the absence of a catalyst? Because the concentration of sucrose at equilbrium is so low, assume that the reaction is Irreversible. (Enter an unrounded value.)
The hydrolysis of the sugar sucrose to the sugars glucose and fructose can be described as follows. C12H22011 + H,0 - C,H120, + C,H1206 This reaction follows a first-order rate equation for the disappearance of sucrose: rate - k [C,,H2,0,1 (The products of the reaction, glucose, and fructose, have the same molecular formulas but differ in the arrangement of the atoms in their molecules, I.e. they are Isomers.) (a) In neutral solution, k- 1.8 x 10"1 s at 26°C and 8.5 x10-" s- at 37°C. Determine the activation energy (in k)/mol), the frequency factor (in s"), and the rate constant (In s) for this equation Arrhenlus equation at this temperature). (Enter unrounded values.) 48°C (assuming the kinetics remain consistent with the activation energy 108 v k)/mol frequency factor s-1 rate constant x s1 (b) When a solution of sucrose with an Initial concentration of 0.130 M reaches equilibrium, the concentration of sucrose is 1.40x10- M. How long (In s) will it take the solution to reach equilibrlum at 26°C in the absence of a catalyst? Because the concentration of sucrose at equilbrium is so low, assume that the reaction is Irreversible. (Enter an unrounded value.)
Chemistry
10th Edition
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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