ive the or the gaivanic celnS Ba ing Hail-r əəp pu p uonenbə uəɔ pƏ: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) а. H2 O2 + 2H+ + 2e¯ →2H2O Cr2 072- + 14H+ + 6e¯ →2Cr³+ + 7H2O €° = 1.33 V e° = 1.78 V V + + b. 2H* + 2e →H2 La+ + 3e- -→La = 0.00 V ɛ° = -2.37 V V +

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Give the balanced cell equation and determine e° for the galvanic cells based on the following half-reactions.
(Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed,
leave it blank.)
а.
H2O2 + 2H+ + 2e¯ → 2H2O
Cr2 072- + 14H+ + 6e¯ →2 Cr³+ + 7H2O ɛ° = 1.33 V
ɛ° = 1.78 V
V
+
+
+
b.
2H+ + 2e +H2 €° = 0.00 V
Lašt + 3e →La ɛ°
:-2.37 V
ɛ° =
V
+
+
Transcribed Image Text:Give the balanced cell equation and determine e° for the galvanic cells based on the following half-reactions. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) а. H2O2 + 2H+ + 2e¯ → 2H2O Cr2 072- + 14H+ + 6e¯ →2 Cr³+ + 7H2O ɛ° = 1.33 V ɛ° = 1.78 V V + + + b. 2H+ + 2e +H2 €° = 0.00 V Lašt + 3e →La ɛ° :-2.37 V ɛ° = V + +
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