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Using the reaction below and mixture 1 volumes, a student mixes Fe(NO3)3 with KSCN, and calculated their equilibrium concentrations at 5.71 × 104 M and 3.71 × 104 M, respectively. Using the colorimeter, she obtains the net absorbance of mixture 1 at 0.090. The calibration curve for the equilibrium reaction is y =2635 x + 0.0140. Fe3+ (aq) + SCN- (aq)= FESCN²+ (aq) a) Using the calibration curve, where y is equal to the absorbance [applying the Beer's Law: Absorbance = slope (concentration)], calculate the equilibrium concentration of FeSCN2+. b) Write the equilibrium expression. c) Calculate the Keg for the reaction. d) Identify if the reaction is product favored or reactant favored? Briefly explain your answers.

Using the reaction below and mixture 1 volumes, a student mixes Fe(NO3)3 with KSCN, and calculated their equilibrium concentrations at 5.71 × 104 M and 3.71 × 104 M, respectively. Using the colorimeter, she obtains the net absorbance of mixture 1 at 0.090. The calibration curve for the equilibrium reaction is y =2635 x + 0.0140. Fe3+ (aq) + SCN- (aq)= FESCN²+ (aq) a) Using the calibration curve, where y is equal to the absorbance [applying the Beer's Law: Absorbance = slope (concentration)], calculate the equilibrium concentration of FeSCN2+. b) Write the equilibrium expression. c) Calculate the Keg for the reaction. d) Identify if the reaction is product favored or reactant favored? Briefly explain your answers.

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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Using the reaction below and mixture 1 volumes, a student mixes Fe(NO3)3 with KSCN, and calculated their equilibrium concentrations at 5.71 × 104 M and 3.71 × 104 M, respectively. Using the colorimeter, she obtains the net absorbance of mixture 1 at 0.090. The calibration curve for the equilibrium reaction is y =2635 x + 0.0140. Fe3+ (aq) + SCN- (aq) = FESCN²+ (aq) a) Using the calibration curve, where y is equal to the absorbance [applying the Beer's Law: Absorbance = slope (concentration)], calculate the equilibrium concentration of FeSCN2+. b) Write the equilibrium expression. C) Calculate the Keg for the reaction. d) Identify if the reaction is product favored reactant favored? Briefly explain your answers.
Transcribed Image Text:Using the reaction below and mixture 1 volumes, a student mixes Fe(NO3)3 with KSCN, and calculated their equilibrium concentrations at 5.71 × 104 M and 3.71 × 104 M, respectively. Using the colorimeter, she obtains the net absorbance of mixture 1 at 0.090. The calibration curve for the equilibrium reaction is y =2635 x + 0.0140. Fe3+ (aq) + SCN- (aq) = FESCN²+ (aq) a) Using the calibration curve, where y is equal to the absorbance [applying the Beer's Law: Absorbance = slope (concentration)], calculate the equilibrium concentration of FeSCN2+. b) Write the equilibrium expression. C) Calculate the Keg for the reaction. d) Identify if the reaction is product favored reactant favored? Briefly explain your answers.
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