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S. Given the following reduction half-reactions at 298 K: Half-Reaction E (V) at 298 K Fe" (aq) + e→ Fe" (aq) MnO, (aq) + 8H (aq) + 5e → Mn (aq) + 4H;0 (1) +0.77 +1.49 (a) Write the balanced equation for the spontaneous cell reaction, (b) Calculate the value of the standard potential, E", for the spontaneous cell reaction. (c) How many moles of electrons are transferred when 1.0 mol of MnOa (aq) is consumed in the overall cell reaction?

S. Given the following reduction half-reactions at 298 K: Half-Reaction E (V) at 298 K Fe" (aq) + e→ Fe" (aq) MnO, (aq) + 8H (aq) + 5e → Mn (aq) + 4H;0 (1) +0.77 +1.49 (a) Write the balanced equation for the spontaneous cell reaction, (b) Calculate the value of the standard potential, E", for the spontaneous cell reaction. (c) How many moles of electrons are transferred when 1.0 mol of MnOa (aq) is consumed in the overall cell reaction?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.49QE: A half-cell that consists of a copper wire in a 1.00 M Cu(NO3)2 solution is connected by a salt...
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5. Given the following reduction half-reactions at 298 K: Half-Reaction Fe (aq) + e → Fe" (aq) MnO, (aq) + 8H (aq) + 5e → Mn (aq) + 4H;O (1) E° (V) at 298 K +0.77 +1.49 (a) Write the balanced equation for the spontaneous cell reaction. (b) Calculate the value of the standard potential, E", for the spontaneous cell reaction. (c) How many moles of electrons are transferred when 1.0 mol of MnO4 (aq) is consumed in the overall cell reaction?
Transcribed Image Text:5. Given the following reduction half-reactions at 298 K: Half-Reaction Fe (aq) + e → Fe" (aq) MnO, (aq) + 8H (aq) + 5e → Mn (aq) + 4H;O (1) E° (V) at 298 K +0.77 +1.49 (a) Write the balanced equation for the spontaneous cell reaction. (b) Calculate the value of the standard potential, E", for the spontaneous cell reaction. (c) How many moles of electrons are transferred when 1.0 mol of MnO4 (aq) is consumed in the overall cell reaction?
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