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An unknown reaction was observed, and the following data were collected: T k (К) (M 1.s 1) 352 109 426 185 Determine the activation energy for this reaction.

An unknown reaction was observed, and the following data were collected: T k (К) (M 1.s 1) 352 109 426 185 Determine the activation energy for this reaction.

Chemistry
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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Review Constants Periodic Tal III K III A 9. There are several factors that affect the rate constant of a reaction. These factors include т Ea where y is In k, m is the slope or x is -, and b is the y-intercept or In A. The linearity of this temperature, activation energy, steric factors (orientation), and also collision frequency, which changes with concentration and phase. All the factors that affect the rate constant can be R T equation is illustrated graphically in the image.(Figure 1) summarized in an equation called the Arrhenius equation: Part B k = Ae Ea/RT where k is the rate constant, A is the frequency factor, Ea is the activation energy, R= 8.314 J/(mol · K) is the universal gas constant, and T is the absolute temperature. An unknown reaction was observed, and the following data were collected: k. (K) (M-1.s 1) 352 109 426 185 Determine the activation energy for this reaction. Figure 1 of 1 Express your answer with the appropriate units. View Available Hint(s) slope = Value Units In k Submit
Transcribed Image Text:Review Constants Periodic Tal III K III A 9. There are several factors that affect the rate constant of a reaction. These factors include т Ea where y is In k, m is the slope or x is -, and b is the y-intercept or In A. The linearity of this temperature, activation energy, steric factors (orientation), and also collision frequency, which changes with concentration and phase. All the factors that affect the rate constant can be R T equation is illustrated graphically in the image.(Figure 1) summarized in an equation called the Arrhenius equation: Part B k = Ae Ea/RT where k is the rate constant, A is the frequency factor, Ea is the activation energy, R= 8.314 J/(mol · K) is the universal gas constant, and T is the absolute temperature. An unknown reaction was observed, and the following data were collected: k. (K) (M-1.s 1) 352 109 426 185 Determine the activation energy for this reaction. Figure 1 of 1 Express your answer with the appropriate units. View Available Hint(s) slope = Value Units In k Submit
Part A A certain reaction has an activation energy of 64.0 kJ/mol and a frequency factor of A1 = 8.70x1012 Ms.What is the rate constant, k, of this reaction at 28.0 °C ? %3D Express your answer with the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot (asterisk) or a dash. > View Available Hint(s) HẢ k = Value Units Submit The linear form of the Arrhenius equation The Arrhenius equation can be rearranged to a form that resembles the equation for a straight line: Ea In k (금) + InA In A R m Ea where y is In k, m is the slope or x is , and b is the y-intercept or In A. The linearity of this R T equation is illustrated graphically in the image.(Figure 1)
Transcribed Image Text:Part A A certain reaction has an activation energy of 64.0 kJ/mol and a frequency factor of A1 = 8.70x1012 Ms.What is the rate constant, k, of this reaction at 28.0 °C ? %3D Express your answer with the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot (asterisk) or a dash. > View Available Hint(s) HẢ k = Value Units Submit The linear form of the Arrhenius equation The Arrhenius equation can be rearranged to a form that resembles the equation for a straight line: Ea In k (금) + InA In A R m Ea where y is In k, m is the slope or x is , and b is the y-intercept or In A. The linearity of this R T equation is illustrated graphically in the image.(Figure 1)
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