The two half-reactions in a voltaic cell areZn(s)---->Zn2+(aq) + 2 e- (electrode = Zn) ClO3-(aq) + 6 H+(aq) + 6 e----->Cl-(aq) + 3 H2O(l) (electrode = Pt)(a) Indicate which reaction occurs at the anode and which atthe cathode. (b) Does the zinc electrode gain, lose, or retainthe same mass as the reaction proceeds? (c) Does the platinumelectrode gain, lose, or retain the same mass as the reactionproceeds? (d) Which electrode is positive?
The two half-reactions in a voltaic cell areZn(s)---->Zn2+(aq) + 2 e- (electrode = Zn) ClO3-(aq) + 6 H+(aq) + 6 e----->Cl-(aq) + 3 H2O(l) (electrode = Pt)(a) Indicate which reaction occurs at the anode and which atthe cathode. (b) Does the zinc electrode gain, lose, or retainthe same mass as the reaction proceeds? (c) Does the platinumelectrode gain, lose, or retain the same mass as the reactionproceeds? (d) Which electrode is positive?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The two half-reactions in a voltaic cell are
Zn(s)---->Zn2+(aq) + 2 e- (electrode = Zn)
ClO3-(aq) + 6 H+(aq) + 6 e----->Cl-(aq) + 3 H2O(l) (electrode = Pt)
(a) Indicate which reaction occurs at the anode and which at
the cathode. (b) Does the zinc electrode gain, lose, or retain
the same mass as the reaction proceeds? (c) Does the platinum
electrode gain, lose, or retain the same mass as the reaction
proceeds? (d) Which electrode is positive?
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