The half-reaction taking place in a galvanic cell is given. Various questions based on the cell reaction are to be answered. Concept introduction: The relationship between reduction potential and standard reduction potential value and activities of species present in an electrochemical cell at a given temperature is given by the Nernst equation. The value of E cell is calculated using Nernst formula, E = E ° − ( R T n F ) ln ( Q ) At room temperature the above equation is specifies as, E = E ° − ( 0.0591 n ) log ( Q ) This relation is further used to determine the relation between Δ G ° and K , Δ G ° and E ° cell . To determine: The overall cell reaction and E ° cell for the given cell reaction.
The half-reaction taking place in a galvanic cell is given. Various questions based on the cell reaction are to be answered. Concept introduction: The relationship between reduction potential and standard reduction potential value and activities of species present in an electrochemical cell at a given temperature is given by the Nernst equation. The value of E cell is calculated using Nernst formula, E = E ° − ( R T n F ) ln ( Q ) At room temperature the above equation is specifies as, E = E ° − ( 0.0591 n ) log ( Q ) This relation is further used to determine the relation between Δ G ° and K , Δ G ° and E ° cell . To determine: The overall cell reaction and E ° cell for the given cell reaction.
Solution Summary: The author explains the oxidation half-reaction taking place in a galvanic cell. The value of E°_cell is calculated using the Nernst equation.
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 17, Problem 78E
(a)
Interpretation Introduction
Interpretation:
The half-reaction taking place in a galvanic cell is given. Various questions based on the cell reaction are to be answered.
Concept introduction:
The relationship between reduction potential and standard reduction potential value and activities of species present in an electrochemical cell at a given temperature is given by the Nernst equation.
The value of
Ecell is calculated using Nernst formula,
E=E°−(RTnF)ln(Q)
At room temperature the above equation is specifies as,
E=E°−(0.0591n)log(Q)
This relation is further used to determine the relation between
ΔG° and
K ,
ΔG° and
E°cell.
To determine: The overall cell reaction and
E°cell for the given cell reaction.
(b)
Interpretation Introduction
Interpretation:
The half-reaction taking place in a galvanic cell is given. Various questions based on the cell reaction are to be answered.
Concept introduction:
The relationship between reduction potential and standard reduction potential value and activities of species present in an electrochemical cell at a given temperature is given by the Nernst equation.
The value of
Ecell is calculated using Nernst formula,
E=E°−(RTnF)ln(Q)
At room temperature the above equation is specifies as,
E=E°−(0.0591n)log(Q)
This relation is further used to determine the relation between
ΔG° and
K ,
ΔG° and
E°cell.
To determine: The value of
ΔG° and
K for the cell reaction at
25°C.
(c)
Interpretation Introduction
Interpretation:
The half-reaction taking place in a galvanic cell is given. Various questions based on the cell reaction are to be answered.
Concept introduction:
The relationship between reduction potential and standard reduction potential value and activities of species present in an electrochemical cell at a given temperature is given by the Nernst equation.
The value of
Ecell is calculated using Nernst formula,
E=E°−(RTnF)ln(Q)
At room temperature the above equation is specifies as,
E=E°−(0.0591n)log(Q)
This relation is further used to determine the relation between
ΔG° and
K ,
ΔG° and
E°cell.
To determine: The value of
Ecell for the given concentrations of
Au3+ and
Tl+.
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell