The decomposition of N2O5 occurs according to this reaction:2 N2O5 (g)→ 4 NO2 (g) + O2 (g)The following data about this reaction is collected:Time (min)[N2O5], M0.00.4001.00.3855.00.33210.00.27620.00.19030.00.13140.00.090a. Using Excel (or a similar program), determine the overall order of this reactiongraphically. [You will need to create three separate graphs to determine the order.] Createa summary data table that shows what data was plotted (x-axis and y-axis), the equationfor the best fit line, and the R2 value for each graph.b. Using the correct graph, report the value of k for this reaction.

We can determine the order of a reaction graphically. For zero order reaction, concentration…

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determine the overall order of this reaction

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The decomposition of N2O5 occurs according to this reaction:
2 N2O5 (g)
→ 4 NO2 (g) + O2 (g)
The following data about this reaction is collected:
Time (min)
[N2O5], M
0.0
0.400
1.0
0.385
5.0
0.332
10.0
0.276
20.0
0.190
30.0
0.131
40.0
0.090
a. Using Excel (or a similar program), determine the overall order of this reaction
graphically. [You will need to create three separate graphs to determine the order.] Create
a summary data table that shows what data was plotted (x-axis and y-axis), the equation
for the best fit line, and the R2 value for each graph.
b. Using the correct graph, report the value of k for this reaction.

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A scientist already determined the rate of the reaction is first order with respect to I - . Determine the rate law and the value of k for the following reaction using the data provided. Hint, you only need to find the reaction order for S2O82⁻ because it is first order for I - . After you find the reaction order for S2O82⁻ you need to calculate k. S2O82⁻ (aq) + 3 I⁻ (aq) → 2 SO42⁻ (g) + I3⁻ (aq) [S2O82⁻ ]i (M) [I⁻ ]i (M) Initial Rate (M -1 s -1 ) 0.30 0.42 4.54 0.44 0.42 6.65 Rate = 120 M-2s-1 [S2O82⁻]2[I⁻] Rate = 195 M-3s-1 [S2O82⁻]2[I⁻] Rate = 86 M-2s-1 [S2O82⁻][I⁻] Rate = 23 M-1/2s-1 [S2O82⁻][I⁻] Rate = 36 M-1s-1 [S2O82⁻][I⁻]