Show by calculation, using a table of thermodynamic data, whether dissolving lead(II) chloride PbCl, PbCl2(s) = Pb² (aq) + 2Cl (aq) is spontaneous at 25°C. Substance AH, kJ/mol S°, J/mol K P6C12(s) 359.4 136.0 Pb2"(aq) -1.7 Cl (aq) 10.5 -167.2 56.5 a The free energy is related to the concentrations according to the equation AG = AG° + RT In Q The spontaneity of the reaction can be predicted based on the sign of AG. [Pb2] = 0.78 M; [Cl]= 0.78 M. What is the value for the reaction quotient, Q? What is the value for AH°? AH® = kJ What is the value for AS°? AS° = J/K What is the standard free energy, AG°, at 25°C? kJ AG°

Show by calculation, using a table of thermodynamic data, whether dissolving lead(II) chloride PbCl, PbCl2(s) = Pb² (aq) + 2Cl (aq) is spontaneous at 25°C. Substance AH, kJ/mol S°, J/mol K P6C12(s) 359.4 136.0 Pb2"(aq) -1.7 Cl (aq) 10.5 -167.2 56.5 a The free energy is related to the concentrations according to the equation AG = AG° + RT In Q The spontaneity of the reaction can be predicted based on the sign of AG. [Pb2] = 0.78 M; [Cl]= 0.78 M. What is the value for the reaction quotient, Q? What is the value for AH°? AH® = kJ What is the value for AS°? AS° = J/K What is the standard free energy, AG°, at 25°C? kJ AG°

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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