The decomposition of Hydrogen Peroxide is monitored in the lab. The data in the table below shows how the H2O2 molarity decreases for 2000 minutes. Plot [H2O2] vs. time and attach the graph. 2 H:02 (аq) —>2 H:0() + O2(g) Time (min) [H2O2] mol/L 0.0200 200 0.0160 400 0.0131 600 0.0106 800 0.0086 1000 1200 1600 2000 0.0069 0.0056 0.0037 0.0024 Rev: 1.15.2020 Experiment 15 •Calculations & Graphing Page 5 3. Determining Average, Instantaneous and Relative Rates. Use the data above to calculate the following rates using the formulas from the "Chemical Kinetics" chapter in your textbook. (a) Average Rate of disappearance of H2O2 during the first 1000 minutes: (Set up your calculation and give answer. Include units) (b) Average Rate of appearance of O2 during the first 1000 minutes. (Set up your calculation and give answer. Include units) (c) Use the slope of the tangent for your graph in number (2) above to determine the Instantaneous Rate of disappearance of H2O2 at 500 minutes into the reaction. (Show your tangent on the graph and show your slope calculation with units below)
The decomposition of Hydrogen Peroxide is monitored in the lab. The data in the table below shows how the H2O2 molarity decreases for 2000 minutes. Plot [H2O2] vs. time and attach the graph. 2 H:02 (аq) —>2 H:0() + O2(g) Time (min) [H2O2] mol/L 0.0200 200 0.0160 400 0.0131 600 0.0106 800 0.0086 1000 1200 1600 2000 0.0069 0.0056 0.0037 0.0024 Rev: 1.15.2020 Experiment 15 •Calculations & Graphing Page 5 3. Determining Average, Instantaneous and Relative Rates. Use the data above to calculate the following rates using the formulas from the "Chemical Kinetics" chapter in your textbook. (a) Average Rate of disappearance of H2O2 during the first 1000 minutes: (Set up your calculation and give answer. Include units) (b) Average Rate of appearance of O2 during the first 1000 minutes. (Set up your calculation and give answer. Include units) (c) Use the slope of the tangent for your graph in number (2) above to determine the Instantaneous Rate of disappearance of H2O2 at 500 minutes into the reaction. (Show your tangent on the graph and show your slope calculation with units below)
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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