Question

Write a rate law for the reaction. The graph below shows a plot of the rate of a reaction versus the concentration of the rea

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Answer #1

As you already know this is 1st order reaction.

The graph for the rate of the reaction versus concentration is linear and the rate of reaction is given as.

Rate = k[A]

Equating this rate to the equation of line.

Equation of line is;

y= mx

This implies k is the slope of line.

And the slope of linear line is given by the following formula;

Slope = y2 – yl Slope = 72 - 11

U​​​​​se any two points on the line form graph

0.012 0.01 0.00892 Rate (M/s) 0.0067 0.004? 0.002+ 0-T X1 1 XZ 0 0.2 0.4 0.6 0. 8 1

10.008 -0.004 0.88 -0.4

10.004 04

k=0.01

so the value of k is 0.01

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