7. Given the solubility equilibrium reaction: CaCl, (s)ó Ca²* (aq) + 2C1" (aq) and that the AH°; for CaCl,= -795.8 kJ/mol, for Ca2* (aq) = -542.8 kJ/mol, and for Cl (aq) = -167.2 kJ/mol, and S°m = -53.1 J/Kmol for CaCl, (s), 104.6 J/Kmol for Ca?+ (aq), and 56.5 J/Kmol for Cl'. Determine the temperature at which this reaction becomes spontaneous.

7. Given the solubility equilibrium reaction: CaCl, (s)ó Ca²* (aq) + 2C1" (aq) and that the AH°; for CaCl,= -795.8 kJ/mol, for Ca2* (aq) = -542.8 kJ/mol, and for Cl (aq) = -167.2 kJ/mol, and S°m = -53.1 J/Kmol for CaCl, (s), 104.6 J/Kmol for Ca?+ (aq), and 56.5 J/Kmol for Cl'. Determine the temperature at which this reaction becomes spontaneous.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 99CWP: The following reaction occurs in pure water: H2O(l)+H2O(l)H3O+(aq)+OH-(aq) which is often...

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