1. Should the rate constant (k) be the same for all three trials in this experiment?  Explain your answer.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
Section: Chapter Questions
Problem 110GQ
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Experiment 1: Determination of the Rate, Order, and Rate Constant

Table 3:  Data for Trial 1

Water displaced in mL

Time (seconds)

2 mL

 

49

4 mL

 

84

6 mL

 

116

8 mL

 

145

10 mL

 

174

12 mL

 

202

14 mL

 

230

16 mL

 

253

18 mL

 

280

20 mL

 

313

22 mL

 

350

Table 4:  Data for Trial 2

Water displaced in mL

Time (seconds)

2 mL

 

78

4 mL

 

144

6 mL

 

175

8 mL

 

205

10 mL

 

255

12 mL

 

308

14 mL

 

330

16 mL

 

409

18 mL

 

463

20 mL

 

515

22 mL

 

575

Table 5:  Data for Trial 3

Water displaced in mL

Time (seconds)

2 mL

 

53

4 mL

 

100

6 mL

 

139

8 mL

 

178

10 mL

 

213

12 mL

 

247

14 mL

 

282

16 mL

 

319

18 mL

 

363

20 mL

 

412

22 mL

 

463

help me with  this part 

 

1. Should the rate constant (k) be the same for all three trials in this experiment?  Explain your answer.

2. Write the complete rate law for this reaction.

Test Data:
1.
Table 1 contains the concentrations of H2O2 and IKI used in each
trial. IKI stands for iodine-KI reagent.
Table 1. Concentrations of H,O, and IKI Used
Trial
H,O,
IKI
1
5 mL of 3% H,02
10 mL of 0.60M KI
5 mL of 3% H,0,
10 mL of 0.30M KI
5 mL of 2.25% H,0,
10 mL of 0.60 M KI
3.
O Inglés (Estados Unidos)
OConcentración
2.
Transcribed Image Text:Test Data: 1. Table 1 contains the concentrations of H2O2 and IKI used in each trial. IKI stands for iodine-KI reagent. Table 1. Concentrations of H,O, and IKI Used Trial H,O, IKI 1 5 mL of 3% H,02 10 mL of 0.60M KI 5 mL of 3% H,0, 10 mL of 0.30M KI 5 mL of 2.25% H,0, 10 mL of 0.60 M KI 3. O Inglés (Estados Unidos) OConcentración 2.
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