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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