#5 plz Data Table:Room TemperatureSaturated Solution (25 °C)100 °C Saturated SolutionVolume of saturated,filtered Ca(OH)2 solutionthat was titrated with HCI5.0 mL5.0 mLVolume of HCl solutionConcentration of HCIsolution used in titration required in the titration toreach the equivalence point19.5 mL10.6 mL0.0120 M0.0120 MQuestions/Calculations:1. Based on the titration data (but without really having to do any calculations yet), is the calciumhydroxide more soluble in the room temperature water or the 100 °C temperature water? Explain yourreasoning.2. Calculate the molar solubility and then the Ksp value for Ca(OH)2 at room temperature and 100 °C usingthe titration data.3. Calculate AG for the dissolution of Ca(OH)2 at room temperature and 100 °C.4. Assuming they are constant with temperature, calculate AH° and AS° for the dissolution of calciumhydroxide in water.5. Using the standard thermodynamic values in the Appendix, calculate the theoretical values of AH°, AS°,and AG for the reaction of Ca(OH)2 dissolving in water. Discuss the sign of each and what it tells youabout this reaction.

Ca(OH)2 solid H2O liquid Ca2+ aqueous OH- aqueous ∆H0(KJ/mol) -986.168 -285.829 -542.832…

Using the standard thermodynamic values in the Appendix, calculate the theoretical values of AH°, AS°, and AG for the reaction of Ca(OH)2 dissolving in water. Discuss the sign of each and what it tells you about this reaction.

Using the standard thermodynamic values in the Appendix, calculate the theoretical values of AH°, AS°, and AG for the reaction of Ca(OH)2 dissolving in water. Discuss the sign of each and what it tells you about this reaction.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 12QAP: A buffer is prepared by dissolving 0.062 mol of sodium fluoride in 127 mL of 0.0399 M hydrofluoric...

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Question

#5 plz

Data Table:
Room Temperature
Saturated Solution (25 °C)
100 °C Saturated Solution
Volume of saturated,
filtered Ca(OH)2 solution
that was titrated with HCI
5.0 mL
5.0 mL
Volume of HCl solution
Concentration of HCI
solution used in titration required in the titration to
reach the equivalence point
19.5 mL
10.6 mL
0.0120 M
0.0120 M
Questions/Calculations:
1. Based on the titration data (but without really having to do any calculations yet), is the calcium
hydroxide more soluble in the room temperature water or the 100 °C temperature water? Explain your
reasoning.
2. Calculate the molar solubility and then the Ksp value for Ca(OH)2 at room temperature and 100 °C using
the titration data.
3. Calculate AG for the dissolution of Ca(OH)2 at room temperature and 100 °C.
4. Assuming they are constant with temperature, calculate AH° and AS° for the dissolution of calcium
hydroxide in water.
5. Using the standard thermodynamic values in the Appendix, calculate the theoretical values of AH°, AS°,
and AG for the reaction of Ca(OH)2 dissolving in water. Discuss the sign of each and what it tells you
about this reaction.

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