chemistry
Table 1: 10 mL Undiluted (1.0-2.0%) IKI and 5 mL 3% H2O2
|
mL water displaced |
Time (seconds) |
|
2 |
18.9 |
|
4 |
45.7 |
|
6 |
65.9 |
|
8 |
98.4 |
|
10 |
123.6 |
|
12 |
138.4 |
|
14 |
151.2 |
|
16 |
197.4 |
|
18 |
242.3 |
|
20 |
278.1 |
|
22 |
327.6 |
|
Slope: |
29.345 |
|
Inverse Slope: |
0.9743 |
Table 2: 10 mL 0.5-1.0% IKI and 5 mL 3% H2O2
|
mL water displaced |
Time (seconds) |
|
2 |
88.6 |
|
4 |
129.5 |
|
6 |
148.3 |
|
8 |
199.3 |
|
10 |
236.1 |
|
12 |
268.5 |
|
14 |
331.6 |
|
16 |
393.7 |
|
18 |
448.9 |
|
20 |
499.5 |
|
22 |
529.9 |
|
Slope: |
46.115 |
|
Inverse Slope: |
0.989 |
Table 3: 10 mL Undiluted (1.0-2.0%) IKI and 5 mL 2.25% H2O2
|
mL water displaced |
Time (seconds) |
|
2 |
24.1 |
|
4 |
49.5 |
|
6 |
78.2 |
|
8 |
133.3 |
|
10 |
186.7 |
|
12 |
203.5 |
|
14 |
214.9 |
|
16 |
262.7 |
|
18 |
321.6 |
|
20 |
363.5 |
|
22 |
397.2 |
|
Slope: |
37.625 |
|
Inverse Slope: |
0.9886 |
Post-Lab Questions
1. Determine the order of the IKI in this reaction?
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1. Determine the order of the H2O2 in this reaction.
1. What is the overall rate law?
Table 1
Time in seconds 2 mL 4 mL 6 mL 8 mL 10 mL 12 mL 14 mL 16 mL 18 mL 20 mL 22 mL 18.899999999999999 45.7 65.900000000000006 98.4 123.6 138.4 151.19999999999999 197.4 242.3 278.10000000000002 327.60000000000002Table 2
Time in seconds 2 mL 4 mL 6 mL 8 mL 10 mL 12 mL 14 mL 16 mL 18 mL 20 mL 22 mL 88.6 129.5 148.30000000000001 199.3 236.1 268.5 331.6 393.7 448.9 499.5 529.9Table 3
Time in seconds 2 mL 4 mL 6 mL 8 mL 10 mL 12 mL 14 mL 16 mL 18 mL 20 mL 22 mL 24.1 49.5 78.2 133.30000000000001 186.7 203.5 214.9 262.7 321.60000000000002 363.5 397.2