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The reaction A → B + C is known to be first order in A. Below...

The reaction A → B + C is known to be first order in A. Below are data showing the concentration of A as a function of reaction time.

Time, h

[A], M

0 1.00*10^-1
0.5 9.01*10^-2
1 8.12*10^-2
2 6.60*10^-2
4 4.35*10^-2
5 3.53*10^-2
6 2.87*10^-2

(a) What is the average rate of reaction between 0.5 and 2 h? Report the units as well as the numbers.

(b) Plot the data above, showing the concentration of A as a function of the time. From your graph, determine the instantaneous rate of reaction at 4 h. Report the units as well as the numbers.

(c) Plot ln [A] versus time. Estimate the rate constant for this first-order reaction from your graph. Report the units as well as the numbers

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