rate = k [A] Constants| rate = k [A] 2 Consider the following data showing the i

Question

rate = k [A] Constants| rate = k [A] 2 Consider the following data showing the initial rate of a reaction (A-products) at several different concentrations of A swe A(M) Initial rate (M/s) 0.15 0.30 0.112 0.60 0.014 Correct 0.894 Part C You may want to reference (Pages 629-634) Section 14.3 while completing this problem. Estimate the value of the rate constant, k Express your answer using two significant figures. M-2.s-1 Submit Previous Answers Request Answer Incorrect; Try Again; 5 attempts remaining

Explanation / Answer

Ans. From part B,      rate = k [A]3

Putting the values in above expression for [A] = 0.15 M

            0.014 M s-1 = k (0.15 M)3

            Or, k = 0.014 M s-1 / 0.003375 M3

            Hence, k = 4.148 M-2 s-1

Therefore, rate constant for the given reaction, k = 4.148 M-2 s-1

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