Given: Br2 (1) + 2e 2 Br-1 12 (s) +2e=21-¹ O-1.63 V What is the standard cell potential for the following reaction? 12(s) + 2 Br 1 (aq) →21-¹(s) + Br2 (aq) O-1.63 V O 0.87 V O 0.55 V (aq): E = 1.09 V O-0.55 V (aq) E= 0.54 V

Given: Br2 (1) + 2e 2 Br-1 12 (s) +2e=21-¹ O-1.63 V What is the standard cell potential for the following reaction? 12(s) + 2 Br 1 (aq) →21-¹(s) + Br2 (aq) O-1.63 V O 0.87 V O 0.55 V (aq): E = 1.09 V O-0.55 V (aq) E= 0.54 V

Chemistry

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ISBN:9781305957404

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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

Given:
Br2 (1) + 2e 2 Br -1
(aq);
12 (s) + 2e-2 1-¹ (aq); E 0= 0.54 V
What is the standard cell potential for the following reaction?
12(s) + 2 Br ¹ (aq) → 21−¹(s) + Br2 (aq)
O-1.63 V
O-1.63 V
O 0.87 V
0.55 V
EO = 1.09 V
-0.55 V

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