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Chemistry
Questions 1

Questions 1

Chemistry
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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Options Page Help Collect 99 1/A = 14.860 The Rate and Order of a Chemical Reaction 1/A 2.0- 3.586A 3.696 3.842 3.934 4.082 4.201 4.285 Linear Fit for: 0.017M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b m (Slope): -0.0004530 b (Y-Intercept): 0.5257 Correlation: -0.9608 RMSE: 0.02339 Linear Fit for: 0.068M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b 7 m (Slope): -0.0001799 b (Y-Intercept): 0.2334 Correlation: -0.9152 RMSE: 0.01418 < 1.5- Linear Fit for: 0.017M Bleach | InA InA = mt+b Linear Fit for: 0.034M Bleach | InA InA = mt+b m (Slope): 4.091E-06 b (Y-Intercept): -0.1709 m (Slope): -0.001133 b (Y-Intercept): -0.6235 Correlation: -0.9832 RMSE: 0.03765 4.406 Linear Fit for: 0.034M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b m (Slope): 3.450E-06 b (Y-Intercept): 0.8429 Correlation: 0.3767 RMSE: 0.001519 4.498 4.589 4.687 4.788 4.860 4.942 5.030 5.100 5.176 5.252 5.326 5.395 7 Correlation: 0.3767 RMSE: 0.001801 1.0- Linear Fit for: 0.017M Bleach | 1/A 1/A = mt+b m (Slope): 0.002908 b (Y-Intercept): 1.800 Correlation: 0.9961 RMSE: 0.04624 Linear Fit for: 0.068M Bleach | InA InA = mt+b m (Slope): -0.0009544 b (Y-Intercept): -1.448 Correlation: -0.9455 RMSE: 0.05882 0.5- Linear Fit for: 0.034M Bleach | 1/A 1/A = mt+b Linear Fit for: 0.068M Bleach | 1/A 1/A = mt+b m (Slope): 0.005177 b (Y-Intercept): 4.198 Correlation: 0.9686 RMSE: 0.2378 m (Slope): -4.851E-06 b (Y-Intercept): 1.186 Correlation: -0.3767 RMSE: 0.002136 1 nm Activate Windows 400 Go to Settings to activate Windows. 0.0- 200 600 (232.8, 0.738) Time (s) 4:31 PI 3/17/20 Absorbance at 630.1 nm InA 1/A
Transcribed Image Text:Options Page Help Collect 99 1/A = 14.860 The Rate and Order of a Chemical Reaction 1/A 2.0- 3.586A 3.696 3.842 3.934 4.082 4.201 4.285 Linear Fit for: 0.017M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b m (Slope): -0.0004530 b (Y-Intercept): 0.5257 Correlation: -0.9608 RMSE: 0.02339 Linear Fit for: 0.068M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b 7 m (Slope): -0.0001799 b (Y-Intercept): 0.2334 Correlation: -0.9152 RMSE: 0.01418 < 1.5- Linear Fit for: 0.017M Bleach | InA InA = mt+b Linear Fit for: 0.034M Bleach | InA InA = mt+b m (Slope): 4.091E-06 b (Y-Intercept): -0.1709 m (Slope): -0.001133 b (Y-Intercept): -0.6235 Correlation: -0.9832 RMSE: 0.03765 4.406 Linear Fit for: 0.034M Bleach | Absorbance at 630.1 nm Abs-630.1 nm = mt+b m (Slope): 3.450E-06 b (Y-Intercept): 0.8429 Correlation: 0.3767 RMSE: 0.001519 4.498 4.589 4.687 4.788 4.860 4.942 5.030 5.100 5.176 5.252 5.326 5.395 7 Correlation: 0.3767 RMSE: 0.001801 1.0- Linear Fit for: 0.017M Bleach | 1/A 1/A = mt+b m (Slope): 0.002908 b (Y-Intercept): 1.800 Correlation: 0.9961 RMSE: 0.04624 Linear Fit for: 0.068M Bleach | InA InA = mt+b m (Slope): -0.0009544 b (Y-Intercept): -1.448 Correlation: -0.9455 RMSE: 0.05882 0.5- Linear Fit for: 0.034M Bleach | 1/A 1/A = mt+b Linear Fit for: 0.068M Bleach | 1/A 1/A = mt+b m (Slope): 0.005177 b (Y-Intercept): 4.198 Correlation: 0.9686 RMSE: 0.2378 m (Slope): -4.851E-06 b (Y-Intercept): 1.186 Correlation: -0.3767 RMSE: 0.002136 1 nm Activate Windows 400 Go to Settings to activate Windows. 0.0- 200 600 (232.8, 0.738) Time (s) 4:31 PI 3/17/20 Absorbance at 630.1 nm InA 1/A
Page > of 2 1. Determine the molar concentration of the dye in the stock dye solution that you used, as follows: (show work for credit) a. Read the absorbance value, A0, at the peak of the absorption curve in the spectrum. Ao = b. Use Beer's Law to solve for [Dye]: A0 = abc, where pathlength (b) = 1 cm and absorptivity (a) = 0.164 L/mg-cm at 630 nm, and c = concentration. (be sure to include the correct units) c. Convert concentration to moles/L. (Calculate molar mass from structure) 2. Based on the three trials you performed, what is the order of the reaction with respect to the dye? Explain. 3. Complete the data table below, presenting initial concentrations of reagent in the reaction solution after mixing. Determine the pseudo rate constants, k'1, k'2, and k'3, for Runs 1-3 using the slopes of the regression lines for the MacBook Air 80 888 DII DD F3 F4 F5 F6 F7 F8 F9 F10 #3 2$ % & 4 7 8 9 E R Y U < CO
Transcribed Image Text:Page > of 2 1. Determine the molar concentration of the dye in the stock dye solution that you used, as follows: (show work for credit) a. Read the absorbance value, A0, at the peak of the absorption curve in the spectrum. Ao = b. Use Beer's Law to solve for [Dye]: A0 = abc, where pathlength (b) = 1 cm and absorptivity (a) = 0.164 L/mg-cm at 630 nm, and c = concentration. (be sure to include the correct units) c. Convert concentration to moles/L. (Calculate molar mass from structure) 2. Based on the three trials you performed, what is the order of the reaction with respect to the dye? Explain. 3. Complete the data table below, presenting initial concentrations of reagent in the reaction solution after mixing. Determine the pseudo rate constants, k'1, k'2, and k'3, for Runs 1-3 using the slopes of the regression lines for the MacBook Air 80 888 DII DD F3 F4 F5 F6 F7 F8 F9 F10 #3 2$ % & 4 7 8 9 E R Y U < CO
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