Question 8 of 13 Map A General Chemistr sity Science Books presented by Sapling

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Question 8 of 13 Map A General Chemistr sity Science Books presented by Sapling Lea Donald McQuarrie. Peter A Rock .Ethan Gallogly Consider the following Gibbs energies at 25 C. Substance Ag (aq) 77.1 CIT (aq) 131.2 AgCl(s) 09.8 Br (aq) 04.0 96.9 AgBr(s) (a) Calculate AGron for the dissolution of AgCI(s). (b) Calculate the solubility product constant of AgC Number Number kJ mol (c) Calculate AG non for the dissolution of AgBr(s). (d) Calculate the solubility-product constant of AgBr Number Number k J. mol o Previous Give Up & View solution Check Answer o Next Ext Hint

Explanation / Answer

a)

Calculate the sum of gibbs free energies in products and in reactants, then substract the value of products minus the value in reactants.

[Ag+ + Cl-] - [AgCl] = [77-131.2]-[-109.8] = 55.7 kJ/mol.

Consider posting the parts b, c and d) in another Q&A since we're only allow to answer one question per Q&A.

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