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For A-> products , time and concentration data were collected and plotted as sho

ID: 637357 • Letter: F

Question

For A-> products , time and concentration data were collected and plotted as shown here.

For A>products, time and concentration data were collected and plotted as shown here. [Al (M) t (s) 0.8000.0 0.740 30.0 0.680 60.0 0.620 90.0 A] In[A] 1/IA] Determine the reaction order, the rate constant, and the units of the rate constant. Number Number Units order = 12 ?113.37× 10- M-1s1 Incorrect Notice that the plot of [A] vs. t is a straight line. Which of the integrated rate equations involves [A] (as opposed to n[A] or 1/[A)?

Explanation / Answer

Actually, this is a zero order reaction.

this graph is of zero order reaction.

the rate constant for zero order reaction

= slope of [A] vs t graph

= pick two points and find the slope

= (0.800-0.740) / 0-30

= 2 * 10^-3 M s-1

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