What is the activation energy of the reaction? Number Units What is the frequency factor for the reaction? Number

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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The concentration of methyl acetate (CH3COOCH3) was measured at various temperatures during a reaction with sodium
hydroxide to form the acetate anion (CH3COO") and methanol (CH3OH) according to the following reaction:
CH-СOОСH3(ag) + ОH (аq) — СH;COO (aq) + СH3ОН(ад).
The initial concentrations of CH3COOCH3(aq) and OH"(aq) were 5·10-6 M or 5.00 µM and 0.150 M, respectively.
Reminder: In PLA 9-1 you determined that this reaction was
1
order with respect to both reactants and
2
O order overall.
Complete the table below and answer the following questions.
*It may help to prepare a graph in Excel.
T (°C) k' (1/s)
k (1/M·s)
T (K)
1/T ( 1/Κ)
In(k)
-13
0.0586
0.3906
260
0.00384615
-0.940071
25
0.139
0.926
298
0.00335570
-0.07688
96
0.568
3.786
369
0.00271
1.3313
What is the activation energy of the reaction?
Number
Units
What is the frequency factor for the reaction?
Number
Transcribed Image Text:The concentration of methyl acetate (CH3COOCH3) was measured at various temperatures during a reaction with sodium hydroxide to form the acetate anion (CH3COO") and methanol (CH3OH) according to the following reaction: CH-СOОСH3(ag) + ОH (аq) — СH;COO (aq) + СH3ОН(ад). The initial concentrations of CH3COOCH3(aq) and OH"(aq) were 5·10-6 M or 5.00 µM and 0.150 M, respectively. Reminder: In PLA 9-1 you determined that this reaction was 1 order with respect to both reactants and 2 O order overall. Complete the table below and answer the following questions. *It may help to prepare a graph in Excel. T (°C) k' (1/s) k (1/M·s) T (K) 1/T ( 1/Κ) In(k) -13 0.0586 0.3906 260 0.00384615 -0.940071 25 0.139 0.926 298 0.00335570 -0.07688 96 0.568 3.786 369 0.00271 1.3313 What is the activation energy of the reaction? Number Units What is the frequency factor for the reaction? Number
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