Transcribed Image Text: I Review I Constants I Periodic Table

Transcribed Image Text: I Review I Constants I Periodic Table
MISSED THIS? Read Section 15.5 (Pages 650 – 656).
The following data show the rate constant of a reaction
measured at several different temperatures.
Part A
Temperature (K) Rate constant (1/s)
Use an Arrhenius plot to determine the activation barrier (Ea) for the reaction.
300
9.11×10-3
Express your answer using three significant figures.
310
2.86×10-2
320
8.37×10-2
330
0.229
340
0.592
Ea =
kJ/mol
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Part B
Use an Arrhenius plot to determine the frequency factor (A) for the reaction.
Express your answer using two significant figures.
?
A =
s-1
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