2(g) |H '(aq) || Pb<'(aq) | PBS04(s) | Pb(s) he following standard reduction potentials. q) + 2 e¯ ® H2(g) (s) + 2 e ® Pb(s) + SO42(aq) -0.712 V 0.356 V

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.127QP
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Which one of the changes below will increase the potential of the following electrochemical cell?
Pt | Sn 2*(aq, 1.0 M), Sn 4*(aq, 1.0 M) || Cu 2*(aq, 0.200 M) | Cu
a. Increasing the size of the cathode.
b. Increasing the concentration of Sn2+.
C. Decreasing the concentration of Cu2+.
d. Increasing the mass of Pt.
e. Switching from a platinum to a graphite anode.
Transcribed Image Text:Which one of the changes below will increase the potential of the following electrochemical cell? Pt | Sn 2*(aq, 1.0 M), Sn 4*(aq, 1.0 M) || Cu 2*(aq, 0.200 M) | Cu a. Increasing the size of the cathode. b. Increasing the concentration of Sn2+. C. Decreasing the concentration of Cu2+. d. Increasing the mass of Pt. e. Switching from a platinum to a graphite anode.
Calculate Ecell for the following cell:
Pt(s) | H2(g) | H *(aq) || Pb2*(aq) | PBSO4(s) | Pb(s)
given the following standard reduction potentials.
2 H*(aq) + 2 e ® H2(g)
E° = 0.000 V
PbSO4(s) + 2 e ® Pb(s) +
So42 (aq)
E° = -0.356 V
a. +0.712 V
b. -0.356 V
О с. -0.178 V
d. +0.356 V
e. -0.712 V
Transcribed Image Text:Calculate Ecell for the following cell: Pt(s) | H2(g) | H *(aq) || Pb2*(aq) | PBSO4(s) | Pb(s) given the following standard reduction potentials. 2 H*(aq) + 2 e ® H2(g) E° = 0.000 V PbSO4(s) + 2 e ® Pb(s) + So42 (aq) E° = -0.356 V a. +0.712 V b. -0.356 V О с. -0.178 V d. +0.356 V e. -0.712 V
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