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6. In the gas phase at 500.°C, cyclopropane reacts to form propene in a first-order reaction. The figure below shows the concentration of cyclopropane plotted versus time. Use the graph to caculate approximate values of (10 points) a. the rate of the reaction, 600. seconds after the start. b. the half-life of the reaction, t12- 0.1 0.08 0.06 0.04 0.02 0 200 400 600 800 1000 time (s)

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reaclion eaciion dt k-Tade constand TA) earalinR 0n CA CA CAD) kt CAOJ ak t: 600o s -k 600 -600 k , In 0.3s -1-o5 -book , R

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