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In: Chemistry

From the following data, construct 3 graphs: [A] vs t, ln[A] vs t, and 1/[A] vs...

From the following data, construct 3 graphs: [A] vs t, ln[A] vs t, and 1/[A] vs t

a) determine the order of the reaction from the graphs.

b) from the one graph that is linear, determine the rate constant, k.

You do not need to calculate the slopes of the nonlinear graphs.

time in seconds	[A] in (M)
0	1
25	0.914
50	0.829
75	0.744
100	0.659
125	0.573
150	0.488
175	0.403
200	0.318

From the following data, construct 3 graphs: [A] vs t, ln[A] vs t, and 1/[A] vs t

a) determine the order of the reaction from the graphs.

b) from the one graph that is linear, determine the rate constant, k.

You do not need to calculate the slopes of the nonlinear graphs.

time in seconds	[A] in (M)
0	1
10	0.894
20	0.799
30	0.714
40	0.638
50	0.571
60	0.51
70	0.456
80	0.408
90	0.364
100	0.326

Solutions

Expert Solution

First data set:

The plot of [A] vs time is a straight line with negative slope. This is characteristic of zero order reaction.

The rate constant slope

Second data set:

The plot of ln[A] vs time is a straight line with negative slope. This is characteristic of first order reaction.

The rate constant slope

queen_honey_blossom answered 1 year ago

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