Inorganic Thermodynamics: Corresponding Reactions
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Note: Δ stands in for other symbols. PLEASE SEE ATTACHMENT FOR PROPER FORMULA SYMBOLS.
Given the following data:
ΔGf Ca2+(aq) = -553 kJ / mol
ΔGf Cl-(aq) = -131 kJ / mol
ΔGf CaCl2(s) = - 748 kJ / mol
ΔGhyd Ca2+(g) = -1517 kJ / mol
ΔGhyd Cl-(g) = -334 kJ / mol
a) Write the reaction corresponding to the dissolution of CaCl2(s) and calculate the corresponding free energy: ΔGsol
b) Using a Born-Haber cycle (show the actual cycle), write ΔGsol as a function of ΔGhyd Ca2+(g), ΔGhyd Cl-(g) and ΔGlattice CaCl2.
c) Using the answers in a) and b), calculate ΔGlattice CaCl2
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Solution Summary
The solution is given in two attachments as labelled diagrams. The inorganic thermodynamics for corresponding reactions are given.
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