Thebalance cell reaction, E° and Δ G° for the cell needs to be determined that is composed of by combining two of the given cell reactions with the most positive E° . Co 2+ ( a q ) + 2 e - → Co ( s ) E° = -0 .28 V I 2 (s) + 2 e - → 2 I (aq) − E° = 0 .54 V Cu 2+ ( a q ) + 2 e - → Cu ( s ) E° = 0 .34 V Concept introduction: In the electrochemical cell, the reactions at cathode and anode occur due to the difference in their reduction electrode potential value. The EMF of the cell can be calculated with the help of electrode reduction potential values. The reaction at each electrode is called half-reaction and the combination of both half-reactions gives the cell reaction of given electrochemical cell. The standard cell potential for an electrochemical cell can be calculated as: E cell ° = E cathode ° - E anode ° E cell ° = E reduction ° - E oxidation ° Cathode involves the reduction process whereas oxidation occurs at the anode.
Thebalance cell reaction, E° and Δ G° for the cell needs to be determined that is composed of by combining two of the given cell reactions with the most positive E° . Co 2+ ( a q ) + 2 e - → Co ( s ) E° = -0 .28 V I 2 (s) + 2 e - → 2 I (aq) − E° = 0 .54 V Cu 2+ ( a q ) + 2 e - → Cu ( s ) E° = 0 .34 V Concept introduction: In the electrochemical cell, the reactions at cathode and anode occur due to the difference in their reduction electrode potential value. The EMF of the cell can be calculated with the help of electrode reduction potential values. The reaction at each electrode is called half-reaction and the combination of both half-reactions gives the cell reaction of given electrochemical cell. The standard cell potential for an electrochemical cell can be calculated as: E cell ° = E cathode ° - E anode ° E cell ° = E reduction ° - E oxidation ° Cathode involves the reduction process whereas oxidation occurs at the anode.
Solution Summary: The author explains that the balance cell reaction, E°, and Delta
Definition Definition Study of chemical reactions that result in the production of electrical energy. Electrochemistry focuses particularly on how chemical energy is converted into electrical energy and vice-versa. This energy is used in various kinds of cells, batteries, and appliances. Most electrochemical reactions involve oxidation and reduction.
Chapter 19, Problem 19.86SP
Interpretation Introduction
Interpretation:
Thebalance cell reaction, E° and ΔG° for the cell needs to be determined that is composed of by combining two of the given cell reactions with the most positive E°.
In the electrochemical cell, the reactions at cathode and anode occur due to the difference in their reduction electrode potential value. The EMF of the cell can be calculated with the help of electrode reduction potential values. The reaction at each electrode is called half-reaction and the combination of both half-reactions gives the cell reaction of given electrochemical cell. The standard cell potential for an electrochemical cell can be calculated as:
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