of the following cell diagrams represents a galvanic cell? (ɛ° red(Cd E(s) | Cd2*(aq) || H*(aq)| H2(g), Pt(s) (s), H2(g) | H*(aq) || Cd²*(aq) | Cd(s) (s) | Pt(s) || H*(aq), Ca2*(aq) | H2(g) s) | Cd2*(aq) || H*(aq) | H2(g), Cd(s) (s), H2(g) | H*(aq) || Cd²*(aq) | Pt(s)
of the following cell diagrams represents a galvanic cell? (ɛ° red(Cd E(s) | Cd2*(aq) || H*(aq)| H2(g), Pt(s) (s), H2(g) | H*(aq) || Cd²*(aq) | Cd(s) (s) | Pt(s) || H*(aq), Ca2*(aq) | H2(g) s) | Cd2*(aq) || H*(aq) | H2(g), Cd(s) (s), H2(g) | H*(aq) || Cd²*(aq) | Pt(s)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 1E: If a 2.5 A current is run through a circuit for 35 minutes, how many coulombs of charge moved...
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Transcribed Image Text:How many moles of electrons are produced from a current of 18.0 A in 4.40 hours? (1 mole e = 96,485 coulombs)
a. 6.34 x 10-4 mol
O b. 61.2 mol
c. 2.28 mol
d. 2.96 mol
O e. 3.35 mol
Transcribed Image Text:Which of the following cell diagrams represents a galvanic cell? ( ɛ° red(Cd 2*/Cd) = -0.403V, ɛ° red(H */H 2) = 0.00 V)
O a. Cd(s) | Cd2+(aq) || H*(aq) | H2(g), Pt(s)
b. Pt(s), H2(g) | H*(aq) || Cd²*(aq) | Cd(s)
OC. Cd(s) | Pt(s) || H*(aq), Cd²*(aq) | H2(g)
O d. Pt(s) | Cd2*(aq) || H*(aq) | H2(g), Cd(s)
e. Cd(s), H2(g) | H*(aq) || Cd2*(aq) | Pt(s)
С.
е.
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