-The rate of a certain reaction was studied at various T(K) k (s-¹) temperatures. The table shows temperature (T) and rate constant (k) data collected during the experiments. Plot the 400 0.000105 420 0.000658 data to answer the questions. 440 0.00348 What is the value of the activation energy, Ea, for 460 0.0159 this reaction? 480 0.0643 500 0.232 520 0.758 Ea = kJ.mol-1 540 2.27 560 6.29 580 16.2 What is the value of the pre-exponential factor (sometimes called the frequency factor), A, for this reaction? A = 8-1

Introductory Chemistry: An Active Learning Approach
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Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter18: Chemical Equilibrium
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-The rate of a certain reaction was studied at various
T(K)
k (s-¹)
temperatures. The table shows temperature (T) and rate
constant (k) data collected during the experiments. Plot the
400
0.000105
420
0.000658
data to answer the questions.
440
0.00348
What is the value of the activation energy, Ea, for
460
0.0159
this reaction?
480
0.0643
500
0.232
520
0.758
Ea =
kJ.mol-1
540
2.27
560
6.29
580
16.2
What is the value of the pre-exponential factor (sometimes
called the frequency factor), A, for this reaction?
A =
8-1
Transcribed Image Text:-The rate of a certain reaction was studied at various T(K) k (s-¹) temperatures. The table shows temperature (T) and rate constant (k) data collected during the experiments. Plot the 400 0.000105 420 0.000658 data to answer the questions. 440 0.00348 What is the value of the activation energy, Ea, for 460 0.0159 this reaction? 480 0.0643 500 0.232 520 0.758 Ea = kJ.mol-1 540 2.27 560 6.29 580 16.2 What is the value of the pre-exponential factor (sometimes called the frequency factor), A, for this reaction? A = 8-1
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