The following data was collected for the reaction between ethoxide and methyl iodide T(°C) Rate (1/s) T (K) 1/T (1/K) In (rate) 168 273.15 0.00366 5.12 6 354 |279.15 0.00358 5.87 12 735 285.15 0.00351 6.60 18 1463 291.15 0.00343 7.29 24 3010 297.15 0.00337 8.01 30 6250 303.15 0.00330 8.74

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The following data was collected for the reaction between ethoxide and methyl iodide
T(°C)
Rate (1/s) T (K)
1/T (1/K)
In (rate)
168
273.15
0.00366
5.12
6
354
279.15
0.00358
5.87
12
735
285.15
0.00351
6.60
18
1463
291.15
0.00343
7.29
24
3010
297.15
0.00337
8.01
30
6250
303.15
0.00330
8.74
A plot of In (rate) vs. 1/T using the above table was made and is shown below, and a linear regression
line fitted to the data. Using the provided graph, estimate the activation energy (kJ/mol) of the
reaction between ethoxide and methyl iodide. Enter your number using 2 decimal places without
unit.
Gas constant is R = 8.3144598 J. mol 1. K-1.
In(k) vs 1/T
9.30
8.80
8.30
7.80
y = -9930.5x + 41.445
R² = 0.9992
2 7.30
6.80
6.30
5.80
5.30
4.80
0.00325 0.00330 0.00335 0.00340 0.00345 0.00350 0.00355 0.00360 0.00365 0.00370
1/T (1/K)
Ln(k)
Transcribed Image Text:The following data was collected for the reaction between ethoxide and methyl iodide T(°C) Rate (1/s) T (K) 1/T (1/K) In (rate) 168 273.15 0.00366 5.12 6 354 279.15 0.00358 5.87 12 735 285.15 0.00351 6.60 18 1463 291.15 0.00343 7.29 24 3010 297.15 0.00337 8.01 30 6250 303.15 0.00330 8.74 A plot of In (rate) vs. 1/T using the above table was made and is shown below, and a linear regression line fitted to the data. Using the provided graph, estimate the activation energy (kJ/mol) of the reaction between ethoxide and methyl iodide. Enter your number using 2 decimal places without unit. Gas constant is R = 8.3144598 J. mol 1. K-1. In(k) vs 1/T 9.30 8.80 8.30 7.80 y = -9930.5x + 41.445 R² = 0.9992 2 7.30 6.80 6.30 5.80 5.30 4.80 0.00325 0.00330 0.00335 0.00340 0.00345 0.00350 0.00355 0.00360 0.00365 0.00370 1/T (1/K) Ln(k)
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