The following data were obtained from a study of the decomposition of a sample of HI on the surface of gold at 320 °C: Concentration t, seconds of HI, mmole/L 0.00 5.46 250 3.60 500 2.30 750 1.37 Plot the data using the first- and second-order equations. 1. What is the correlation coefficient (r) for each plot? a. r for first-order? [Select] b. r for second-order? [Select] 2. What is the order for this reaction? [Select] 3. What is the rate constant? [Select] 4. What is the HI concentration (in mmol/L) at 450 s? [Select]

The following data were obtained from a study of the decomposition of a sample of HI on the surface of gold at 320 °C: Concentration t, seconds of HI, mmole/L 0.00 5.46 250 3.60 500 2.30 750 1.37 Plot the data using the first- and second-order equations. 1. What is the correlation coefficient (r) for each plot? a. r for first-order? [Select] b. r for second-order? [Select] 2. What is the order for this reaction? [Select] 3. What is the rate constant? [Select] 4. What is the HI concentration (in mmol/L) at 450 s? [Select]

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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Consider the following reaction energy diagram: Reaction progress А. [ Select ] How many elementary step are in the reaction mechanism? [ Select ] v Which step is rate-limiting? В. C. [ Select ] Is the overall reaction exothermic or endothermic? С.
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The following initial rate data are for the reaction of hypochlorite ion with iodide ion in 1 M aqueous hydroxide solution: OCr +I- OI + CI Experiment [OCI"]o, M , M Initial Rate, Ms™ -1 1.70×10-3 1.70×10-3 3.40x10-3 3.40x10-3 4.57×10-3 9.15×10-3 4.57x10-3 9.15×103 1 5.41x10-4 1.08×10-3 1.08×10-3 2.17x10-3 2 3 4 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]" , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n Rate = From these data, the rate constant is M's.
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0.554 Absorbance (Initial Absorbance) reading s 10 secondr Absorbance →6.148 20 seconds - 30 seconds → 0094 40 seconds 0,073 S0 Seconds > 0,058 60 seconde -
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