Question

Table 1: 10 mL Undiluted (1.0-2.0%) IKI and 5 mL 3% H2O2 mL water displaced Time...

Table 1: 10 mL Undiluted (1.0-2.0%) IKI and 5 mL 3% H2O2

mL water displaced

Time (seconds)

2

20.6

4

43.9

6

66.9

8

98.7

10

130.6

12

155.5

14

180.3

16

242.4

18

278.8

20

340.1

22

361.2

Slope:

17.03

Inverse Slope:

5.87 x 10-2

Table 2: 10 mL 0.5-1.0% IKI and 5 mL 3% H2O2

mL water displaced

Time (seconds)

2

86.8

4

115.2

6

139.8

8

197.6

10

256.8

12

296.0

14

321.4

16

397.5

18

471.3

20

556.7

22

729.6

Slope:

32.14

Inverse Slope:

3.11 x 10-2

Table 3: 10 mL Undiluted (1.0-2.0%) IKI and 5 mL 2.25% H2O2

mL water displaced

Time (seconds)

2

29.7

4

47.9

6

75.4

8

126.6

10

176.8

12

202.1

14

214.9

16

260.6

18

320.0

20

366.3

22

396.4

Slope:

18.35

Inverse Slope:

5.45 x 10-2

Post-Lab Questions

  1. Determine the order of the IKI in this reaction.
  2. Determine the order of the H2O2 in this reaction.
  3. Calculate the rate law constant.
  4. What is the overall rate law?

Please provide solutions and explanations thank you!

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Answer #1

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