Question 9 Take Quiz Butadiene (C4H6) is consumed in a reaction by a 2nd order process. The initial concentration of C4H6 is 68.58 M. After 2.07 seconds, the concentration of C4H6 is 0.216 M. What is the rate constant for this reaction. Enter your answer as a number with 3 sig figs. Assume that the units are M-¹5-¹. Question 10 A second order reaction with the equation A--> B has a half life of 59.26 seconds with an initial concentration of {A} = 0.432 M. If you started with an initial concentration of {A} = 0.792 M, how many seconds would it take for the concentration to get to 0.271 M? Exit

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