1. The reaction H2SEO3(aq) 61 (aq) + 4H*(aq) → 213 (aq) + 3H2O(1) + Se(s) was studied at 0°C by the method of initial rates: Experiment [H2SeO3]o [H*]o []o Rate (mol/L s) 1.0 × 10–4 2.0 × 10–4 3.0 x 10–4 1.0 × 10–4 1.0 × 10–4 1.0 x 10-4 1.0 × 10–4 1 2.0 × 10–2 2.0 × 10–2 2.0 × 10–2 4.0 × 10–2 1.0 × 10–2 2.0 x 10-2 1.0 × 10–2 2.0 x 10-2 1.66 × 10–7 3.33 × 10–7 4.99 x 10–7 6.66 × 10–7 0.42 × 10–7 13.4 x 10-7 3.36 x 10–7 2 2.0 x 10-2 ? 4 2.0 x 10-2 5 2.0 x 10-2 4.0 × 10-2 4.0 × 10-2 а) What is the order of the reaction with respect to [H2SEO3], [H*] and [I¯]? b) c) Write the rate law for the reaction. Calculate k, specifying the units. d) What is the concentration of I¯ in experiment 3? 3. 67

1. The reaction H2SEO3(aq) 61 (aq) + 4H(aq) → 213 (aq) + 3H2O(1) + Se(s) was studied at 0°C by the method of initial rates: Experiment [H2SeO3]o [H]o []o Rate (mol/L s) 1.0 × 10–4 2.0 × 10–4 3.0 x 10–4 1.0 × 10–4 1.0 × 10–4 1.0 x 10-4 1.0 × 10–4 1 2.0 × 10–2 2.0 × 10–2 2.0 × 10–2 4.0 × 10–2 1.0 × 10–2 2.0 x 10-2 1.0 × 10–2 2.0 x 10-2 1.66 × 10–7 3.33 × 10–7 4.99 x 10–7 6.66 × 10–7 0.42 × 10–7 13.4 x 10-7 3.36 x 10–7 2 2.0 x 10-2 ? 4 2.0 x 10-2 5 2.0 x 10-2 4.0 × 10-2 4.0 × 10-2 а) What is the order of the reaction with respect to [H2SEO3], [H*] and [I¯]? b) c) Write the rate law for the reaction. Calculate k, specifying the units. d) What is the concentration of I¯ in experiment 3? 3. 67

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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