The reaction of AB → A + B was monitored as a function of time at a constant temperature of 35.0℃. A plot of 1
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versus time yields a straight line with a slope of 0.55 M-1
s
-1
.
a. What is the value and unit of the rate constant for this reaction?
b. Write the rate law for the reaction?
c. What is the half life when the initial concentration is 0.450 M?
d. How long in minutes will it take for the initial concentration, 0.450 M, to decrease to
0.00560 M?
e. Further experiments were performed at 125℃. It was determined that the rate constant at
125℃ was 4.34 M-1
s
-1
. Determine the activation energy in kJ/mol for this reaction.