An electrochemical cell consists of a half-cell in which a piece of platinum wire is dipped into a solution that is 2.5 M in KI and 0.046 M in I2. The other half-cell consists of magnesium metal immersed in a 0.37 M Mg2+ solution. Assume that the temperature is 25°C. (a) Which electrode is the anode and which is the cathode? anode: O Pt|12, 1- O Mg2+|Mg cathode: O Pt|I2, I~ O Mg2+|Mg (b) What is the emf of the cell? 2.869 x V (c) What is the spontaneous cell reaction? chemPad O Help Greek |-563 -563 Your answer differs too much from the expected answer to provide useful feedback. (d) What is the equilibrium constant of the cell reaction? 6.09e98
An electrochemical cell consists of a half-cell in which a piece of platinum wire is dipped into a solution that is 2.5 M in KI and 0.046 M in I2. The other half-cell consists of magnesium metal immersed in a 0.37 M Mg2+ solution. Assume that the temperature is 25°C. (a) Which electrode is the anode and which is the cathode? anode: O Pt|12, 1- O Mg2+|Mg cathode: O Pt|I2, I~ O Mg2+|Mg (b) What is the emf of the cell? 2.869 x V (c) What is the spontaneous cell reaction? chemPad O Help Greek |-563 -563 Your answer differs too much from the expected answer to provide useful feedback. (d) What is the equilibrium constant of the cell reaction? 6.09e98
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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