4 The concentration of methyl acetate (CH3COOCH3) was measured at various temperatures during a reaction with sodiumhydroxide 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 was1order with respect to both reactants and2O 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)-130.05860.39062600.00384615-0.940071250.1390.9262980.00335570-0.07688960.5683.7863690.002711.3313What is the activation energy of the reaction?NumberUnitsWhat is the frequency factor for the reaction?Number

Arrhenius equation is: k = A e-Ea/RT Where, k = rate constant, Ea = Activation energy, R = Gas…

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Chemistry for Engineering Students

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ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

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Question

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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