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Given the following thermodynamic data for this reaction: H2PO4 (aq) + H2O (1) HPO4 (aq) + H3O+ (aq) H2PO4 (aq) AG (kJ/mol) -1130 a.
Given the following thermodynamic data for this reaction: H2PO4 (aq) + H2O (1) HPO4 (aq) + H3O+ (aq) H2PO4 (aq) AG (kJ/mol) -1130 a. Estimate Ka at 50C (10) H2O (1) HPO4 (aq) H3O+ (aq) -237 -1089 -237 b. If the concentrations of the components of the above reaction are: [H2PO4] = 0.5 M, [HPO4] = 0.2M and [H3O+] = 1x107M Calculate AG for the reaction and determine which way the reaction must proceed to reach equilibrium. (8) EC: What is the pH of the solution described in question 8b? (5) EC2: Prove LeChatelier's Principle for both change in concentration (10) and temperature.
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a To estimate Ka at 50C 10C we can use the relationship between the standard free energy change G and the equilibrium constant K at a given temperature G RT lnK Where G standard free energy change R g...
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Auditing The Art and Science of Assurance Engagements
Authors: Alvin A. Arens, Randal J. Elder, Mark S. Beasley, Joanne C. Jones
13th Canadian edition
133405508, 978-0133405507
