Cell Potential
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|---|---|---|---|
| Redox Reaction | 32 mins | 0 completed | Learn Summary |
| Balancing Redox Reaction | 31 mins | 0 completed | Learn |
| The Nernst Equation | 11 mins | 0 completed | Learn |
| Faraday's Constant | 10 mins | 0 completed | Learn |
| Galvanic Cell | 85 mins | 0 completed | Learn |
| Batteries and Electricity | 9 mins | 0 completed | Learn |
| Additional Practice |
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| Cell Notation |
| Standard Hydrogen Electrode |
| Cell Potential |
| Electroplating |
| Electrolysis of Water & Mixture of Ions |
| Additional Guides |
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| Nernst Equation |
Solution: Balance each skeleton reaction, use Appendix D to calculate E°cell, and state whether the reaction is spontaneous:(a) Cd(s) + Cr2O72−(aq) ⟶ Cd 2+(aq) + Cr 3+(aq)
Problem
Balance each skeleton reaction, use Appendix D to calculate E°cell, and state whether the reaction is spontaneous:
(a) Cd(s) + Cr2O72−(aq) ⟶ Cd 2+(aq) + Cr 3+(aq)
Practice Problems
Refer to the tabulated values of ΔG°f in Appendix ...
For the a voltaic cell with the overall reaction:
...
What is the standard electrode potential for a vol...
Calculate the equilibrium constant for each of the...
If for the reaction, 2 Ag+(aq) + Co(s) → 2 Ag(s) ...
The reduction potentials for Au3+ and Ni2+ are +1....
What is the standard cell potention, E°, for this ...
Calculate the standard cell potential for each of ...
Using the following standard reduction potentials,...
Calculate the standard cell potential for each of ...
Calculate the standard cell potential for each of ...
What is the standard e.m.f. for a voltaic cell bas...
A friend wants you to invest in a new battery she ...
Calculate the standard cell potential of a Al/Al 3...
What voltage can theoretically be achieved in a ba...
The Ksp of CuI is 1.1 x 10–12. Find Ecell for the ...
The Ksp of Zn(OH)2 is 1.8 x 10-14 . Find Ecell for...
Calculate ΔG°rxn and K for each reaction.
a. The r...
Consider a voltaic cell made up of Ag(s), 1M Ag(NO...
THe equilibrium constant Kb = 1.75 x 10 -5 M at 25...
Given the listed standard electrode potentials, wh...
Calculate the standard free energy change (kJ) for...
Using the standard electrode potentials, determine...
The standard electrode potential for the following...
Consider an electrochemical cell that utilizes lit...
A spontaneous redox reaction is indicated by:
a. ...
Use the standard half-cell potentials listed below...
Which of the following reactions would have the sm...
Consider the following reaction:
2 Fe 2+ (aq) + C...
Calculate the maximum electrical work that can be ...
Calculate the value of Eocell for the following r...
Consider the following standard reduction potentia...
Consider the non–aqueous cell reaction
2 K(s) + F...
What is the relation between ΔG° and E°cell for th...
A quantity of a powdered mixture of zinc and iron ...
Calculate the value of E°cell for the following re...
Which combination of reactants will produce the gr...
Consider the non-aqueous cell reaction
2Na(l) + F...
What is the standard cell potential, E°, for this ...
Given
Cu2+(aq) + 2e- → Cu(s) E° = 0.337 V
A...
The standard cell potential. E°, for this reaction...
Use the standard half-cell potentials listed below...
For the a voltaic cell with the overall reaction:
...
Make a sketch of the voltaic cell represented by t...
Determine whether or not each redox reaction occur...
Determine whether or not each redox reaction occur...
Determine whether or not each redox reaction occur...
What is the ΔG° (kJ/mol) for a spontaneous (voltai...
Determine whether or not each redox reaction occur...
Design an electrolytic cell from the following hal...
Which metal can be oxidized with an Sn 2+ solution...
Calculate E°cell for each balanced redox reaction ...
Calculate E°cell for each balanced redox reaction ...
Calculate E°cell for each balanced redox reaction ...
Use tabulated electrode potentials to calculate Δ ...
Use tabulated electrode potentials to calculate Δ ...
Use tabulated electrode potentials to calculate Δ ...
Calculate the equilibrium constant for each of the...
Design an electrolytic cell from the following hal...
Calculate the equilibrium constant for the reactio...
Calculate ΔG°rxn and E°cell for a redox reaction w...
Which of these changes will produce the most posit...
An electrochemical cell is based on these two half...
Calculate the equilibrium constant for each of the...
Cytochrome, a complicated molecule that we will re...
Consider a redox reaction for which E is a negati...
Using the standard reduction potentials in Appendi...
Mercuric oxide dry-cell batteries are often used w...
Can a spontaneous redox reaction be obtained by pa...
Predict whether the following reactions will be sp...
Predict whether the following reactions will be sp...
Predict whether the following reactions will be sp...
The standard reduction potentials of the following...
Predict whether the following reactions will be sp...
Given the following half-reactions and associated ...
Given the following half-reactions and associated ...
Given the following half-reactions and associated ...
A 1M solution of Cu ( NO3 )2 is placed in a beaker...
Using standard reduction potentials (Appendix E in...
Using standard reduction potentials (Appendix E in...
Using standard reduction potentials (Appendix E in...
Using standard reduction potentials (Appendix E in...
A voltaic cell is based on Ag+(aq)/Ag(s) and Fe3+(...
If a standard cell potential is Eocell =+0.85 at 2...
For the half-reaction Cl2(g) + 2e- → 2Cl-(aq), w...
A voltaic cell is based on the reaction
Sn(s) +...
Consider the following two half reactions.
Mg2+ ...
What are the units for electrical potential?
A voltaic cell is constructed that uses the follow...
A voltaic cell utilizes the following reaction:
...
What conditions must be met for a reduction potent...
Why is it impossible to measure the standard reduc...
A voltaic cell utilizes the following reaction and...
Compute the equilibrium constant for the spontaneo...
The standard potential for the reduction of AgSCN(...
Using data from Appendix E in the textbook, calcul...
The Haber process is the principal industrial rout...
Given the following reduction half-reactions:
F...
Given the following reduction half-reactions:
F...
Given the following reduction half-reactions:
F...
Using the standard reduction potentials listed in ...
Using the standard reduction potentials listed in ...
Using the standard reduction potentials listed in ...
A cell has a standard emf of +
0.151 V at 298 K...
A cell has a standard emf of +
0.151 V at 298 K...
A cell has a standard emf of +
0.151 V at 298 K...
Consider a redox reaction for which E is a negati...
An electrochemical cell has a positive standard ce...
Calculate the Ksp of silver iodide at 25°C, using ...
Consider these two entries from a fictional table ...
What is the cell potential for the reactionMg(s) +...
Calculate the equilibrium constant, K, for the fol...
Calculate the E°cell for the following equation. C...
What statement is TRUE about standard electrode po...
Calculate the standard potential, E°, for this rea...
The reaction below has a cell potential, Eo , of –...
What is the standard potential of a cell where X i...
Calculate the E°cell for the following equation. U...
Calculate the standard reduction potential for the...
Consider the following electrochemical cell for th...
Consider the reaction at 55°C, where [Fe2+] = 3.80...
Given the following half-reactions and their respe...
What statement is NOT true about standard electrod...
For the a voltaic cell with the overall reaction:
...
Using the following data, calculate the standard r...
The standard reduction potential for a substance i...
Calculate the equilibrium constant, K, for the fol...
Find the emf at 25°C for the following reaction?
...
Calculate ΔGr° for the electrochemical cell, Pt (s...
The cell diagram for the reaction occurring in sil...
You are given the following three half-reactions:(...
76Exercise 42. Sketch the galvanic cells based on ...
You are given the following three half-reactions:(...
You are given the following three half-reactions:(...
Use tabulated half-cell potentials to calculate ΔG...
Use tabulated half-cell potentials to calculate ΔG...
Use tabulated half-cell potentials to calculate ΔG...
The overall reaction and standard cell potential a...
What is the maximum work that can be obtained from...
The overall reaction and equilibrium constant valu...
The overall reaction and equilibrium constant valu...
The overall reaction and equilibrium constant valu...
Calculate ΔG˚rxn and E˚cell E_{{
m{cell}}}^circfor...
Consider the reaction: I2(s) + 2 Br–(aq) → 2 I–(aq...
The black silver sulfide discoloration of silverwa...
76Exercise 38. Sketch the galvanic cells based on ...
76Exercise 42. Sketch the galvanic cells based on ...
Exercise 37. Sketch the galvanic cells based on th...
Exercise 41. Sketch the galvanic cells based on th...
Exercise 41. Sketch the galvanic cells based on th...
For the standard cell potential given here, determ...
For the standard cell potential given here, determ...
For the standard cell potential given here, determ...
For the ΔG° values given here, determine the stand...
For the ΔG° values given here, determine the stand...
Determine ΔG and ΔG° for each of the reactions bel...
Use tabulated half-cell potentials to calculate ΔG...
Use tabulated half-cell potentials to calculate ΔG...
Use tabulated half-cell potentials to calculate ΔG...
Calculate ΔG˚rxn and E˚cell at 25 ˚C for a redox r...
S4O62−(aq) + 2I−(aq) ⟶ I2(s) + S2O32−(aq) Δ...
S4O62−(aq) + 2I−(aq) ⟶ I2(s) + S2O32−(aq) Δ...
Hydrogen gas has the potential as a clean fuel in ...
Calculate ΔG˚rxn K for each of the following react...
Calculate ΔG˚rxn for each of the following reactio...
A voltaic cell has one half-cell with a Cu bar in ...
Calculate ΔG˚rxn K for each of the following react...
Calculate ΔG˚rxn for each of the following reactio...
Given the following reduction half-reactions:Fe3+(...
The cell Pt(s) | Cu+(1 M), Cu2+(1 M) ‖ Cu+(1 M) | ...
The cell Pt(s) | Cu+(1 M), Cu2+(1 M) ‖ Cu+(1 M) | ...
A redox reaction has an equilibrium constant of K ...
Use tabulated electrode potentials to calculate ΔG...
A redox reaction has an equilibrium constant of K ...
If the equilibrium constant for a two-electron red...
Chlorine dioxide (ClO2), which is produced by the ...
The amount of manganese in steel is determined by ...
If the equilibrium constant for a one-electron red...
Exercise 45. Consider the following galvanic cells...
Exercise 46. Give the balanced cell equation and d...
The equation ΔG° = -nFE° also can be applied to ha...
Consider a redox reaction for which E is a negati...
Exercise 37. Sketch the galvanic cells based on th...
76Exercise 38. Sketch the galvanic cells based on ...
Consider the galvanic cell based on the following ...
Consider the galvanic cell based on the following ...
Consider the following reaction.Mg(s) + SO42-(aq) ...
A disproportionation reaction involves a substance...
Consider a galvanic cell based on the following th...
The following reactions are used in batteries:I. 2...
The following reactions are used in batteries:I. 2...
A voltaic cell utilizes the following reaction:2Fe...
Calculate E˚cell for each of the following balance...
Calculate E˚cell for each of the following balance...
Calculate E˚cell for each of the following balance...
Heart pacemakers are often powered by lithium-silv...
What are E°cell and ΔG° of a redox reaction at 25°...
Determine whether the reaction is spontaneous as w...
What are E°cell and ΔG° of a redox reaction at 25°...
Determine whether the reaction is spontaneous as w...
What are E°cell and ΔG° of a redox reaction at 25°...
Determine whether the reaction is spontaneous as w...
What are E°cell and ΔG° of a redox reaction at 25°...
Mercuric oxide dry-cell batteries are often used w...
For a spontaneous reactionA(aq) + B(aq) → A-(aq)...
A fuel cell designed to react grain alcohol with o...
For a spontaneous reactionA(aq) + B(aq) → A-(aq)...
A voltaic cell employs the following redox reactio...
For the following reaction listed, determine its s...
For the following reaction listed, determine its s...
Assume that you want to construct a voltaic cell t...
For the following reaction listed, determine its s...
A voltaic cell that uses the reactionTl3 + ( aq )...
For the following reaction listed, determine its s...
The black silver sulfide discoloration of silverwa...
For the following reaction listed, determine its s...
For the following reaction listed, determine its s...
For the following reaction listed, determine its s...
For the following reaction listed, determine its s...
A voltaic cell that uses the reactionPdCl42-(aq) +...
Determine the overall reaction and its standard ce...
Use data from the table above to calculate E˚cell ...
Determine the overall reaction and its standard ce...
Consider the standard galvanic cell based on the f...
Calculate Eocell for the following balanced redox ...
Determine the overall reaction and its standard ce...
Determine the overall reaction and its standard ce...
The saturated calomel electrode, abbreviated SCE, ...
The saturated calomel electrode, abbreviated SCE, ...
The standard reduction potentials of the following...
Calculate Eocell for the following balanced redox ...
The saturated calomel electrode, abbreviated SCE, ...
The saturated calomel electrode, abbreviated SCE, ...
The standard reduction potentials of the following...
The saturated calomel electrode, abbreviated SCE, ...
Use the tabulated values of ΔG˚f in Appendix IIB i...
A common shorthand way to represent a voltaic cell...
A common shorthand way to represent a voltaic cell...
A common shorthand way to represent a voltaic cell...
Consider a battery made from one half-cell that co...
Consider a battery made from one half-cell that co...
A voltaic cell consists of a strip of cadmium meta...
A voltaic cell based on the reaction 2 Eu2+(aq) + ...
Which of the following redox reactions do you expe...
Calculate E˚cell for each of the following balance...
The Haber process is the principal industrial rout...
Calculate E˚cell for each of the following balance...
Calculate E˚cell for each of the following balance...
Calculate E˚cell for each of the following balance...
Using data in Appendix E in the textbook, calculat...
Using data in Appendix E in the textbook, calculat...
Both Ti and V are reactive enough to displace H 2 ...
Using data in Appendix E in the textbook, calculat...
A voltaic cell is based on Ag+(aq)/Ag(s) and Fe3+(...
Using data in Appendix E in the textbook, calculat...
Calculate the standard cell potential for each of ...
A voltaic cell employs the following redox reactio...
Two voltaic cells are to be joined so that one wil...
Two voltaic cells are to be joined so that one wil...
The Ksp of Zn(OH)2 is 1.8×10−14. Find E˚cell for t...
The Ksp value for PbS(s) is 8.0 x 10 - 28.By using...
The cell Pt(s) | Cu+(1 M), Cu2+(1 M) ‖ Cu+(1 M) | ...
Consider the following galvanic cell:b. Determine ...
The Zn/Zn2+ electrode has a standard electrode pot...
Exercise 37. Sketch the galvanic cells based on th...
For each of the following reactions, write a balan...
For each of the following reactions, write a balan...
Exercise 38. Sketch the galvanic cells based on th...
For each of the following reactions, write a balan...
Sketch the galvanic cells based on the following h...
Sketch the galvanic cells based on the following h...
Sketch the galvanic cells based on the following h...
An electrode has a negative electrode potential. W...
Sketch the galvanic cells based on the following h...
Consider the following galvanic cells:For each gal...
Consider the following galvanic cells:For each gal...
For each of the following reactions, write a balan...
Give the balanced cell equation and determine E° f...
Give the balanced cell equation and determine E° f...
Calculate E° values for the following cells. Which...
Calculate E° values for the following cells. Which...
Calculate E° values for the following cells. Which...
Calculate E° values for the following cells. Which...
Estimate E° for the half-reaction2H2O + 2e- → H2 +...
What is the definition of the standard cell potent...
Glucose is the major fuel for most living cells. T...
Direct methanol fuel cells (DMFCs) have shown some...
How is the cell potential of an electrochemical ce...
Explain why E˚cell, ΔG˚rxn, and K are all interrel...
Will a redox reaction with a small equilibrium con...
Electrolytic cell with an active metal electrode. ...
At 298 K a cell reaction has a standard emf of +0....
Consider the reaction shown here occurring at 25 ˚...
Consider the reaction shown here occurring at 25 ˚...
For the reaction3 Ni2+(aq) + 2 Cr(OH)3(s) + 10 OH-...
Consider the reaction shown here occurring at 25 ˚...
Consider the reaction shown here occurring at 25 ˚...
Consider the galvanic cell based on the following ...
In basic solution, Se2− and SO32− ions react spont...
Consider the galvanic cell based on the following ...
In acidic solution, O3 and Mn2+ ions react spontan...
A voltaic cell utilizes the following reaction:Al(...
Consider the following reaction.Mg(s) + SO42-(aq) ...
Using a library or the Internet, research a fuel c...
Under standard condition, what reaction occur, if ...
Balance each skeleton reaction, use Appendix D to ...
Under standard condition, what reaction occur, if ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Under standard condition, what reaction occur, if ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Under standard condition, what reaction occur, if ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Calculate the standard cell potential for each of ...
Balance each skeleton reaction, use Appendix D to ...
Balance each skeleton reaction, use Appendix D to ...
Use the following half-reactions to write three sp...
Calculate ε° for the following half-reaction:AgI(s...
The solubility product for CuI(s) is 1.1 X 10 -12....
To examine the effect of ion removal on cell volta...
Use the following half-reactions to write three sp...
Consider the following voltaic cell:Calculate E˚ce...
Use the following half-reactions to write three sp...
Calculate Eº cell for each of the following balanc...
Use the following half-reactions to write three sp...
Consider a galvanic cell based on the following ha...
In Appendix D, standard electrode potentials range...
Consider a galvanic cell based on the following ha...
Which of the following redox reactions do you expe...
When a clean iron nail is placed in an aqueous sol...
Consider the reaction Mg(s) + Fe2+(aq) → Mg2+(aq)+...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
21.56 What is the value of the equilibrium constan...
21.57 What is the value of the equilibrium constan...
21.58 What is the value of the equilibrium constan...
21.59 What is the value of the equilibrium constan...
21.56 What is the value of the equilibrium constan...
21.58 What is the value of the equilibrium constan...
21.59 What is the value of the equilibrium constan...
Use Appendix D to calculate the Ksp of AgCl.
Using standard electrode potentials calculate ΔG˚r...
Using standard electrode potentials calculate ΔG˚r...
Using standard electrode potentials calculate ΔG˚r...
Calculate the equilibrium constant for each of the...
Calculate the Kf of Ag(NH3)2+ fromAg+(aq) + e− ⇌ A...
Calculate the equilibrium constant for each of the...
Calculate the equilibrium constant for each of the...
Compute the equilibrium constant at 25 ˚C for the ...
Use the data in Appendix L to determine the equili...
Use the data in Appendix L to determine the equili...
Use the data in Appendix L to determine the equili...
Use the data in Appendix L to determine the equili...
Calculate K for each of the following reactions.Th...
Calculate K for each of the following reactions.Th...
Calculate K for each of the following reactions.Th...
Calculate K for each of the following reactions.Th...
A redox reaction employed in an electrochemical ce...
A redox reaction has an E˚cell= –0.56 V. What can ...
Using the standard reduction potentials listed in ...
Using the standard reduction potentials listed in ...
Using the standard reduction potentials listed in ...
Consider the reaction shown here occurring at 25 ˚...
Consider the reaction shown here occurring at 25 C...
Consider the following reaction.Mg(s) + SO42-(aq) ...
An electrochemical cell consists of a nickel metal...
Consider a concentration cell that has both electr...
You have a concentration cell in which the cathode...
Calculate Ksp for iron(II) sulfide given the follo...
For the following half-reaction, ε° = —2.07 V:AlF6...
A voltaic cell is constructed that is based on the...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
What is the value of the equilibrium constant for ...
An experimental fuel cell has been designed that u...
A voltaic cell has one half-cell with a Cu bar in ...
In an electrochemical cell, Q = 0.010 and K = 855....
In an electrochemical cell, Q = 0.0010 and K = 0.1...In Part A, we saw that delta G degree = 242.1 kJ f...For the following reaction:NiO2(s) + 4 H+ (aq) + 2...If ΔG° is found to be -244 kJ, what is the value ...Calculate the cell potential for the following rea...
Given that E° = 0.52 V for the reduction Cu2+ (aq)...For a reaction at 25°C where n = 2 and ΔG° = 104.7...Consider a fuel cell that uses the reaction of eth...Calculate the standard cell potential at 25°C for ...Calculate ΔG°rxn and E°cell for a redox reaction w...The nicad (nickel-cadmium) batteries have a slight...At 1500 °C the equilibrium constant for the reacti...Use the appropriate standard reduction potentials ...Consider the decomposition of a metal oxide to its...If ΔG° of the following reaction is -110 kJ/mol. w...
Calculate the standard potential, Eº, for this rea...The change in enthalpy (ΔH° rxn) for a reaction is...A galvanic (voltaic) cell consists of an electrode...
Determine which of the following pairs of reactant...At 25°C, the equilibrium partial pressures for the...Calculate the cell potential for the following rea...
A galvanic (voltaic) cell consists of an electrode...
Use the standard half-cell potentials listed below...
Calculate Eocell for the following balanced redox ...
Consider a fuel cell that uses the reaction of eth...
Use the standard half-cell potentials listed below...
Consider these two entries from a fictional table ...