9. The dissociation of silver chloride salt is: AgCl(s) → Ag*(aq) + Clraq) AG° = 33.0 kJ/mol Given that the standard free energies of formation of Ag*(aq), Cl (ag), and AgCl(s) are 77.1 kJ/mol, -131.2 kJ/mol, and -109.8 kJ/mol, respectively, calculate the solubility product, Ksp, for AGCI.

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Q: The standard free energy change of formation for nitrogen trifluoride at 298 K is -90.6 kJ/mol. What…

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Q: Fe 20 3(s) + 3H 2(g) For the reaction above, calculate the standard Gibbs' Free energy change at 700…

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A: The reaction given is, => Fe2O3 (s) + 3 H2 (g) → 2 Fe (s) + 3 H2O (l)

Q: at what temperature will this reaction be exactly at equilibrium?

A: Enthalpy change (∆Ho)=-162.2 kJ =-162.2  X 103J Entropy change (∆So)=104.2 J/K ∆Go=0 at equilibrium…

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A: Answer: c.  7.93×10^-5

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Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free…

A: we know  △G = ∑GPRODUCT  -     ∑GREACTANT △G = 2×GAl(s) +3×GH2O(g)  -  GAl2o3(s) +3×GH2(g) GAl(s)  =…

Q: What is the value of Kp

A: Given: Standard free energy change of formation for nitrogen trifluoride at 298 K is -90.6 kJ/mol.

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A: Gibbs equation G = H -TS Where, G = Gibbs free enery H = enthalpy S = entropy  And ln Keq = -G/RT

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A: Standard free energy change for the reaction is given by the expression ∆Go=∆Ho-T∆So

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A: I have given the answer in the explanation section. Hope you will understand that.

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Crystal Structures

Solids are present all around us. They have different properties and applications. Diamond and graphite are two well-known solids. Diamond is the hardest material in the world and is used in making jewelry. Graphite on the other hand is soft. The lead of your pencil is graphite. Why are they so different in appearance and properties despite the fact they are chemically the same? Both are allotropes of carbon. The answer lies in the structure, the way constituent particles are arranged in the solids.