The experimental methods used for the determination of K sp are to be devised and the reason behind their use is to be stated. Concept introduction: The salts that do not dissolve completely in a solvent or they show the partial dissociation, for them solubility product that is K sp is used.

Question

Two students prepared aqueous solutions of LiCl and measured the properties, as shown in the table above. Both students observed that the solid LiCl readily dissolved in H2O. The students drew particle diagrams to explain the changes in the enthalpy and entropy of dissolution for LiCl based on their results and observations. Based on this information, the better particle diagram was drawn by which student, and why is that diagram more accurate? (see attached image) a.) The better particle diagram was drawn by Student 1 because when LiCl dissolves in water, it dissociates into Li+ and Cl− ions causing an increase in entropy. b.) The better particle diagram was drawn by Student 1 because when LiCl dissolves in water, it dissociates into Li+and Cl−ions indicating that the dissolution of LiCl is exothermic. c.) The better particle diagram was drawn by Student 2 because it shows that LiCl does not dissociate, resulting in a decrease in entropy for the dissolution of LiCl.…

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Chapter 15, Problem 2ALQ

Interpretation Introduction

Interpretation:

The experimental methods used for the determination of Ksp are to be devised and the reason behind their use is to be stated.

Concept introduction:

The salts that do not dissolve completely in a solvent or they show the partial dissociation, for them solubility product that is Ksp is used.

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Two students prepared aqueous solutions of LiCl and measured the properties, as shown in the table above. Both students observed that the solid LiCl readily dissolved in H2O. The students drew particle diagrams to explain the changes in the enthalpy and entropy of dissolution for LiCl based on their results and observations. Based on this information, the better particle diagram was drawn by which student, and why is that diagram more accurate? (see attached image) a.) The better particle diagram was drawn by Student 1 because when LiCl dissolves in water, it dissociates into Li+ and Cl− ions causing an increase in entropy. b.) The better particle diagram was drawn by Student 1 because when LiCl dissolves in water, it dissociates into Li+and Cl−ions indicating that the dissolution of LiCl is exothermic. c.) The better particle diagram was drawn by Student 2 because it shows that LiCl does not dissociate, resulting in a decrease in entropy for the dissolution of LiCl.…

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a. Calculate the Gibbs energy of formation for a generic compound AB2 in kJ/mol given the following thermodynamic data A;H° kJ/mol S; J/mol K A(I) B2(g) AB2(s) 76.02 223.07 |-224.3 146.00 b. Interpret your result from part a. Will the formation of AB2(s) occur under standard state conditions? Why or why not?