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+.
Experiment 1
Data Table 1: Conservation of Mass - Initial Mass
Data Table 1
Data Table 2
Data Table 3
Data Table 4
Panel 1
Photo 1
Data Table 5
Reaction Mass of test tube and 5.0% HC₂H₂O2 (g)
#
(A)
(B)
Mass of NaHCO, (g) Mass of balloon and NaHCO, (g)
(C)
0.10
1
0829
14.38g
0.20
2
0.929
14.29g
0.35
1.00g
3
14.25g
0.50
1.14g
14.29
Experiment 1
Data Table 2: Moles of HC2H3O2
Reaction Volume of Mass of
Moles of HC₂H₂O₂
5.0%
Vinegar
(g)
(ML)
5.0
0.25
0042 mol
2
5.0
0.25
0042 mol
3
5.0
0.25
0042 mol
5.0
0.25
0042 mol
Experiment 1
Data Table 3: Moles of NaHCO3
Reaction Mass of NaHCO (g)
10g
20g
35g
50g
Experiment 1
Data Table 4: Theoretical Yield of CO₂
Reaction #
1
2
3
Experiment 1
Total mass before reaction (g)
(D=A+C)
15.29
15.21g
15.25g
15.349
Exercise 1
Data Table 1
Data Table 2
Data Table 3
Data Table 4
Panel 1
Photo 1
Data Table 5
Exercise 1-
Data Table 1
Data Table 2
DataTable 3
Data Table 4
Panel 1
Photo 1
Data Table 5
Exercise 1-
Moles of NaHCO
0012 mol
0025 mol
0044 mol
0062 mol…
The chemical reaction you investigated is a two-step reaction. What type of reaction occurs in each step? How did you determine your answer?
What is the relationship between the limiting reactant and theoretical yield of CO2?
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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