32. Consider the following two standard reduction potentials: Pt2"(aq) + 2 e → Pt (s); E° = 1.180 V Pb"(aq) + 2 e → Pb(s); E° = –0.130 V Part 1. Which of the following is the balanced overall reaction and standard cell potential of a working electrochemical (or voltaic) cell constructed from half-cells with the given half reactions? Note that "working" means that the electrochemical reaction is spontaneous. a) Pt2"(aq) + Pb(s) → Pt(s) + Pb²"(aq); = 1.310 V cell Pt(s) + Pb* (aq) – Pt"(aq) + Pb(s); cell - 1.310 V Pt* (aq) + Pb3 (aq) → Pt(s) + Pb(s); cell = 1.050 V d) p Pr*"(aq) + Pb(s) → Pt(s) + Pb²"(aq); cell 0.655 V e) Pt(s) + Pb²"(aq) → Pt2"(aq) + Pb(s); £cel 0.655 V f) none of the above
32. Consider the following two standard reduction potentials: Pt2"(aq) + 2 e → Pt (s); E° = 1.180 V Pb"(aq) + 2 e → Pb(s); E° = –0.130 V Part 1. Which of the following is the balanced overall reaction and standard cell potential of a working electrochemical (or voltaic) cell constructed from half-cells with the given half reactions? Note that "working" means that the electrochemical reaction is spontaneous. a) Pt2"(aq) + Pb(s) → Pt(s) + Pb²"(aq); = 1.310 V cell Pt(s) + Pb* (aq) – Pt"(aq) + Pb(s); cell - 1.310 V Pt* (aq) + Pb3 (aq) → Pt(s) + Pb(s); cell = 1.050 V d) p Pr*"(aq) + Pb(s) → Pt(s) + Pb²"(aq); cell 0.655 V e) Pt(s) + Pb²"(aq) → Pt2"(aq) + Pb(s); £cel 0.655 V f) none of the above
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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