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Calculate the standard cell potential at 25°C for the following cell reaction from standard free energies of formation: 2A1(s) + 3H&²+ (ag) → 2Al** (aq) + 3Hg(!)

Calculate the standard cell potential at 25°C for the following cell reaction from standard free energies of formation: 2A1(s) + 3H&²+ (ag) → 2Al** (aq) + 3Hg(!)

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter19: Applications Of Standard Electrode Potentials
Section: Chapter Questions
Problem 19.8QAP
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Calculate the standard cell potential at 25°C for the following cell reaction from standard free energies of formation: 2Al(s) + 3H3²+ (aq) → 2A1š+ (ag) + 3Hg(1) Standard Free Energy of Formation Ion AG; (kJ/mol) Als+ (aq) -485.0 Zn2+ (aq) -147.0 Co2+ (ag) -54.4 Ni²+ (ag) -45.6 Pb?+ (ag) -24.39 Cu²+ (ag) 65.52 Hg²+ (aq) 164.4 Fe?+ (ag) -78.87 Standard cell potential V
Transcribed Image Text:Calculate the standard cell potential at 25°C for the following cell reaction from standard free energies of formation: 2Al(s) + 3H3²+ (aq) → 2A1š+ (ag) + 3Hg(1) Standard Free Energy of Formation Ion AG; (kJ/mol) Als+ (aq) -485.0 Zn2+ (aq) -147.0 Co2+ (ag) -54.4 Ni²+ (ag) -45.6 Pb?+ (ag) -24.39 Cu²+ (ag) 65.52 Hg²+ (aq) 164.4 Fe?+ (ag) -78.87 Standard cell potential V
Calculate the standard cell potential of the cell corresponding to the oxidation of oxalic acid, H2 C204, by chlorate ion, ClO3 (ag). 3H2C204(aq) + ClO3 (ag) → 6CO2 (g) + Cl¯ (ag) + 3H2O(1) AG; for H2 C204 (aq) is -698 kJ. You may need to use the following data. Substance or ion AG; (kJ/mol) ClO3 (ag) -292.3 CO2 (g) -394.4 Cl" (aq) -131.3 H2O(1) -237.1 Standard cell potential = V
Transcribed Image Text:Calculate the standard cell potential of the cell corresponding to the oxidation of oxalic acid, H2 C204, by chlorate ion, ClO3 (ag). 3H2C204(aq) + ClO3 (ag) → 6CO2 (g) + Cl¯ (ag) + 3H2O(1) AG; for H2 C204 (aq) is -698 kJ. You may need to use the following data. Substance or ion AG; (kJ/mol) ClO3 (ag) -292.3 CO2 (g) -394.4 Cl" (aq) -131.3 H2O(1) -237.1 Standard cell potential = V
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