Calculate the standard Gibbs free energy changes at 25 oC for each of the reactions shown below using the Eo values given. Select whether each of these reactions is nonspontaneous, at equilibrium, or spontaneous under standard conditions (a) 2 Cu+(aq) + 2 I-(aq) 2 Cu(s) + 1 I2(s) Eo = -0.015 V Go =______ kJ/mol _____nonspontaneous _____at equilibrium _____spontaneous (b) 2 Fe(CN6)3-(aq) + 1 Fe(s) 2 Fe(CN6)4-(aq) + 1 Fe2+(aq) Eo = 0.800 V Go = ________ kJ/mol ______nonspontaneous ______at equilibrium ______spontaneous (c) 1 Sn4+(aq) + 1 Sn(s) 1 Sn2+(aq) + 1 Sn2+(aq) Eo = 0.290 V Go =________ kJ/mol _____nonspontaneous _____at equilibrium _____spontaneous
Calculate the standard Gibbs free energy changes at 25 oC for each of the reactions shown below using the Eo values given. Select whether each of these reactions is nonspontaneous, at equilibrium, or spontaneous under standard conditions (a) 2 Cu+(aq) + 2 I-(aq) 2 Cu(s) + 1 I2(s) Eo = -0.015 V Go =______ kJ/mol _____nonspontaneous _____at equilibrium _____spontaneous (b) 2 Fe(CN6)3-(aq) + 1 Fe(s) 2 Fe(CN6)4-(aq) + 1 Fe2+(aq) Eo = 0.800 V Go = ________ kJ/mol ______nonspontaneous ______at equilibrium ______spontaneous (c) 1 Sn4+(aq) + 1 Sn(s) 1 Sn2+(aq) + 1 Sn2+(aq) Eo = 0.290 V Go =________ kJ/mol _____nonspontaneous _____at equilibrium _____spontaneous
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 73QAP: Consider the reaction below at 25°C: 2MnO4(aq)+16H+(aq)+10Br(aq)2Mn2+(aq)+5Br2(l)+8H2O Use Table...
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Calculate the standard Gibbs free energy changes at 25 oC for each of the reactions shown below using the Eo values given. Select whether each of these reactions is nonspontaneous, at equilibrium, or spontaneous under standard conditions
| (a) 2 Cu+(aq) + 2 I-(aq) 2 Cu(s) + 1 I2(s) | Eo = -0.015 V | Go =______ kJ/mol |
_____nonspontaneous
_____at equilibrium
_____spontaneous
| (b) 2 Fe(CN6)3-(aq) + 1 Fe(s) 2 Fe(CN6)4-(aq) + 1 Fe2+(aq) | Eo = 0.800 V | Go = ________ kJ/mol |
______nonspontaneous
______at equilibrium
______spontaneous
| (c) 1 Sn4+(aq) + 1 Sn(s) 1 Sn2+(aq) + 1 Sn2+(aq) | Eo = 0.290 V | Go =________ kJ/mol |
_____nonspontaneous
_____at equilibrium
_____spontaneous
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