11. a) Mercury(I) chloride has a K, value of 1.3 x 10-". Determine its molar solubility in water, and apply an ice table if it helps to organize your calculation!

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section16.6: Gibbs Free Energy
Problem 16.10CE
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11. a) Mercury(I) chloride has a K, value of 1.3 x 10-15. Determine its molar solubility in water, and
apply an ice table if it helps to organize your calculation!
b) On the basis of your understanding of Le Chatelier's principle or the Common Ion Effect, state
anything that would be likely to shift the equilibrium to the left, causing the solubility to diminish.
Transcribed Image Text:11. a) Mercury(I) chloride has a K, value of 1.3 x 10-15. Determine its molar solubility in water, and apply an ice table if it helps to organize your calculation! b) On the basis of your understanding of Le Chatelier's principle or the Common Ion Effect, state anything that would be likely to shift the equilibrium to the left, causing the solubility to diminish.
10. Calculate the standard free energy change (AG°) for the reaction below at 450 K, and state which
direction (forward or reverse) the reaction is spontaneous at 450 K. Thermodynamic data is provided.
Hg2Cl2 (s) <-
HgCl2 (s) + Hg (1)
AH°, (kJ/mol)
AS'; (J/mol K)
HgCl, (s)
Hg.Cl2 (s)
Hg (1)
-230.1
144.5
-264.9
192.5
77.40
Transcribed Image Text:10. Calculate the standard free energy change (AG°) for the reaction below at 450 K, and state which direction (forward or reverse) the reaction is spontaneous at 450 K. Thermodynamic data is provided. Hg2Cl2 (s) <- HgCl2 (s) + Hg (1) AH°, (kJ/mol) AS'; (J/mol K) HgCl, (s) Hg.Cl2 (s) Hg (1) -230.1 144.5 -264.9 192.5 77.40
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