2. 4 g of benzoic acid was partially dissolved in 100 mL of water in a double-walled steel beaker and 5 mL of sample was taken from the solution at different temperatures according to the following reaction: (Benzoic acid (2) Benzoic acid()) 0.1 M of NaOH was used in the titration of sample solutions to measure benzoic acid concentration and the volume of titrant was recorded at the end points as follows: T (°C) 20 50 VNaOH (mL) 1.4 2.6 a. Determine the equilibrium constant at each temperature. b. Calculate AH and AS values in kJ/mol and discuss your results. DATA: R-8.314 J/mol K Van't Hoff Equation: InK = - AHO Aso + RT [T in K] R

2. 4 g of benzoic acid was partially dissolved in 100 mL of water in a double-walled steel beaker and 5 mL of sample was taken from the solution at different temperatures according to the following reaction: (Benzoic acid (2) Benzoic acid()) 0.1 M of NaOH was used in the titration of sample solutions to measure benzoic acid concentration and the volume of titrant was recorded at the end points as follows: T (°C) 20 50 VNaOH (mL) 1.4 2.6 a. Determine the equilibrium constant at each temperature. b. Calculate AH and AS values in kJ/mol and discuss your results. DATA: R-8.314 J/mol K Van't Hoff Equation: InK = - AHO Aso + RT [T in K] R

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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