Below is a sample set of data for run 1 from the reaction tables: Time (min) 0 1

Question

Below is a sample set of data for run 1 from the reaction tables:

Time (min)     0            1          2           3         4             5

Absorbance: 0.237   0.235   0.232    0.23   0.227 0.224

2) Based on the five minutes of data presented, use a graph and best fit line to estimate the initial rate of the reaction with respect to I3-. Attach your and write both the best fit line and the initial rate (including units) in the space below.

Best fit line: ___________________________________________

Rate: _________________________________________________

Explanation / Answer

The plot of absorbance (A) vs time is drawan and shown below

here absorbance is proportional to concentration

the equation of best fit is A= -0.002* time+0.237

(dA/dt)t=0= -0.002

the initial rate is indepenent of time.

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