Author Question: The reaction A products is second order. If the initial concentration of A is 0.419 M and, after ... (Read 141 times)

MGLQZ · **on:** Mar 21, 2021

Question 1

The reaction A → products is first order. If the initial concentration of A is 0.391 M and, after 16.2 seconds have elapsed, the concentration of A has fallen to 0.0284 M, what is the rate constant of the reaction?

◦ 0.162 s^–1

◦ 0.0428 s^–1

◦ 0.0224 s^–1

◦ 2.02 s^–1

◦ 0.0617 s^–1

Question 2

The reaction A → products is second order. If the initial concentration of A is 0.419 M and, after 26.6 seconds have elapsed, the concentration of A has fallen to 0.0231 M, what is the rate constant of the reaction?

◦ 0.109 M^–1 s^–1

◦ 1.54 M^–1 s^–1

◦ 0.0261 M^–1 s^–1

◦ 0.0149 M^–1 s^–1

◦ 0.0376 M^–1 s^–1

smrerig · **Reply #1 on:** Mar 21, 2021

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