Imagine an electrochemical cell established from the following half cells, linked by a KCI salt bridge. - a Fe electrode in 2.0 M FeCl, solution - a Ni electrode in 2.0 M Ni(NO3), solution When the cell is running spontaneously, which choice includes only true statements? • Ni (s) + Fe (s) E° (V) = -0.25 E° (V) = -0.44 Ni2+ (aq) + 2e Fe2+ (aq) + 2e" O The iron electrode is the anode and gains mass. The nickel electrode is the cathode and loses mass O The nickel electrode is cathode and gains mass. The iron electrode is the cathode and loses mass. O None of them.
Imagine an electrochemical cell established from the following half cells, linked by a KCI salt bridge. - a Fe electrode in 2.0 M FeCl, solution - a Ni electrode in 2.0 M Ni(NO3), solution When the cell is running spontaneously, which choice includes only true statements? • Ni (s) + Fe (s) E° (V) = -0.25 E° (V) = -0.44 Ni2+ (aq) + 2e Fe2+ (aq) + 2e" O The iron electrode is the anode and gains mass. The nickel electrode is the cathode and loses mass O The nickel electrode is cathode and gains mass. The iron electrode is the cathode and loses mass. O None of them.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section17.3: Voltaic Cells
Problem 17.3PSP
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