Consider the two following half reactions: Fe(OH)3(s) + 3H3O+ + e- <-> Fe2+(aq)+ 6H2O EoH= 1.06...
Consider the two following half reactions:
Fe(OH)3(s) + 3H3O+ + e- <-> Fe2+(aq)+ 6H2O EoH= 1.06 V; peo= 17.9
NO3-(aq) + 10H3O+ + 8e- <-> NH4+(aq)+ 13H2O EoH= 0.88V; peo= 14.9
(a)Which reaction would you expect to be the oxidation and which the reduction under standard conditions?
(b)Write the full balanced reaction.Show your work.
(c)Assuming that the concentrations ofFe2+(aq), NH4+(aq), and NO3-(aq) are all 10-5M and pH 7, calculate the pE for the redox reaction in (b).
(d)Comment on what the calculated pE in (c) tells you about the environment in which this reaction is occurring.
Homework Answers
a)
NO3- reaction will go for oxidation and Fe(OH)3 will go for reduction under standard conditions based on provided values of reduction potentials.
b)
Adding above two equations,
Add Answer to:
Consider the two following half reactions:
Fe(OH)3(s) + 3H3O+ + e- <-> Fe2+(aq)+ 6H2O EoH= 1.06...
Consider the following unbalanced equation. H1+(aq) + Fe(s) → H2(g) + Fe2+ (aq) (a) What are...
Consider the following unbalanced equation. H1+(aq) + Fe(s) → H2(g) + Fe2+ (aq) (a) What are the following standard voltages? Includeţthe sign. Change the sign as allowed by the data in the table. standard oxidation potential for the oxidation half-cell .00 X V reduction potential for the reduction half-cell .44 X V potential for the entire cell (b) Select all that apply for the reaction under standard conditions. Hl+ is the substance being oxidized. Fe is the substance being oxidized....
Consider the following unbalanced equation. H1+(aq) + Fe(s) H2(g) + Fe2+(aq) (a) What are the following...
Consider the following
unbalanced
equation.
H1+(aq) + Fe(s) H2(g)
+ Fe2+(aq)
(a) What are the following standard voltages? Include the sign.
Change the sign as appropriate. Use the standard reduction
potentials in these
Reference Tables.
Enter the number of decimal places allowed by the data in the
table.
standard oxidation potential for the oxidation half-cell
V
reduction potential for the reduction half-cell
V
potential for the entire cell
V
(b)
Select all that apply for the reaction under standard
conditions....
Which of the following reactions are redox reactions? A) 4Li(s)+O2(g)→2Li2O(s) B)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) C)Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq) D)HBr(aq)+KOH(aq)→H2O(l)+KBr(aq)
Which of the following reactions are redox reactions? A) 4Li(s)+O2(g)→2Li2O(s) B)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) C)Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq) D)HBr(aq)+KOH(aq)→H2O(l)+KBr(aq)
Consider the following half-reactions: Half-reaction E° (V) Ag+(aq) +e → Ag(s) 0.799V Cu2+(aq) + 2e →...
Consider the following half-reactions: Half-reaction E° (V) Ag+(aq) +e → Ag(s) 0.799V Cu2+(aq) + 2e → Cu(s) 0.337V Mg2+(aq) + 2e —— Mg(s) -2.370V The strongest oxidizing agent is: enter symbol The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will Mg(s) oxidize Ag(s) to Ag+(aq)? V Which species can be oxidized by Cu2+(aq)? If none enter none. Consider the following half-reactions: Half-reaction E° (V) 2Br (aq) 1.080V Br2(1) + 2e — Ni2+(aq) +...
question 16.46 UU 15 - UU UL ut tu uve- 16.46 The half-cells Fe2+ (aq)|Fe(s) and...
question 16.46
UU 15 - UU UL ut tu uve- 16.46 The half-cells Fe2+ (aq)|Fe(s) and O2(g)|H2O (in acid solution) are linked to create a voltaic cell. (a) Write equations for the oxidation and reduction half- reactions and for the overall cell reaction. (b) Which half-reaction occurs in the anode compart- ment and which occurs in the cathode compartment? (c) Complete the following sentences: Electrons in the external circuit flow from the — electrode to the electrode. Negative ions move...
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12...
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12 (s) Which of the following statements are correct? Choose all that apply. On= 2 mol electrons delta Gº > 0 The reaction is product-favored. OK<1 Eºcell > 0 The reduction potential for the following non-standard half cell at 298K is volts. F2 (8.16*10-'atm) + 28°—>2F" (1.43M) Submit Answer Retry Entire Group 9 more group attempts remaining
When answering Parts a-h, consider only the molecules and ions, Fe^2+(aq), Cd(OH)2(s), SO4^2-(aq), Al(s), I^-(aq), and Cr2O7^2-(aq), under standard state conditions. (1 pt each) Use standard reduction...
When answering Parts a-h, consider only the molecules and ions,
Fe^2+(aq), Cd(OH)2(s), SO4^2-(aq), Al(s), I^-(aq),
and Cr2O7^2-(aq), under standard state conditions. (1 pt each)
Use standard reduction table.
a) Which of these molecules and ions are oxidizing agents?
b) Which of these molecules and ions are reducing agents?
c) List the oxidizing agents from part a in DECREASING order of
oxidizing agent strength. (strongest OA to weakest OA)
d) List the reducing agents from part b in DECREASING order of...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) •...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe (a)teFe() standard reduction potential E d=-0.13 V E01" +0.771 V 2 + Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Check...
Consider the following half-reactions: Half-reaction E° (V) 12(s) + 2e - →21"(aq) 0.535V 2H+ (aq) +...
Consider the following half-reactions: Half-reaction E° (V) 12(s) + 2e - →21"(aq) 0.535V 2H+ (aq) + 2e - → H2(g) 0.000V Cr3+(aq) + 3e —— Cr(s) -0.740V The strongest oxidizing agent is: enter formula The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will 12(s) reduce Cr3+(aq) to Cr(s)? — Which species can be reduced by H2(g)? If none, leave box blank. Use the References to access important values if needed for this question....
Consider the following unbalanced equation. H1+(aq) + Fe(s) → H2(g) + Fe2+ (aq) (a) What are the following standard voltages? Includeţthe sign. Change the sign as allowed by the data in the table. standard oxidation potential for the oxidation half-cell .00 X V reduction potential for the reduction half-cell .44 X V potential for the entire cell (b) Select all that apply for the reaction under standard conditions. Hl+ is the substance being oxidized. Fe is the substance being oxidized....
Consider the following
unbalanced
equation.
H1+(aq) + Fe(s) H2(g)
+ Fe2+(aq)
(a) What are the following standard voltages? Include the sign.
Change the sign as appropriate. Use the standard reduction
potentials in these
Reference Tables.
Enter the number of decimal places allowed by the data in the
table.
standard oxidation potential for the oxidation half-cell
V
reduction potential for the reduction half-cell
V
potential for the entire cell
V
(b)
Select all that apply for the reaction under standard
conditions....
Consider the following half-reactions: Half-reaction E° (V) Ag+(aq) +e → Ag(s) 0.799V Cu2+(aq) + 2e → Cu(s) 0.337V Mg2+(aq) + 2e —— Mg(s) -2.370V The strongest oxidizing agent is: enter symbol The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will Mg(s) oxidize Ag(s) to Ag+(aq)? V Which species can be oxidized by Cu2+(aq)? If none enter none. Consider the following half-reactions: Half-reaction E° (V) 2Br (aq) 1.080V Br2(1) + 2e — Ni2+(aq) +...
question 16.46
UU 15 - UU UL ut tu uve- 16.46 The half-cells Fe2+ (aq)|Fe(s) and O2(g)|H2O (in acid solution) are linked to create a voltaic cell. (a) Write equations for the oxidation and reduction half- reactions and for the overall cell reaction. (b) Which half-reaction occurs in the anode compart- ment and which occurs in the cathode compartment? (c) Complete the following sentences: Electrons in the external circuit flow from the — electrode to the electrode. Negative ions move...
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12 (s) Which of the following statements are correct? Choose all that apply. On= 2 mol electrons delta Gº > 0 The reaction is product-favored. OK<1 Eºcell > 0 The reduction potential for the following non-standard half cell at 298K is volts. F2 (8.16*10-'atm) + 28°—>2F" (1.43M) Submit Answer Retry Entire Group 9 more group attempts remaining
When answering Parts a-h, consider only the molecules and ions,
Fe^2+(aq), Cd(OH)2(s), SO4^2-(aq), Al(s), I^-(aq),
and Cr2O7^2-(aq), under standard state conditions. (1 pt each)
Use standard reduction table.
a) Which of these molecules and ions are oxidizing agents?
b) Which of these molecules and ions are reducing agents?
c) List the oxidizing agents from part a in DECREASING order of
oxidizing agent strength. (strongest OA to weakest OA)
d) List the reducing agents from part b in DECREASING order of...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe (a)teFe() standard reduction potential E d=-0.13 V E01" +0.771 V 2 + Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Check...
Consider the following half-reactions: Half-reaction E° (V) 12(s) + 2e - →21"(aq) 0.535V 2H+ (aq) + 2e - → H2(g) 0.000V Cr3+(aq) + 3e —— Cr(s) -0.740V The strongest oxidizing agent is: enter formula The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will 12(s) reduce Cr3+(aq) to Cr(s)? — Which species can be reduced by H2(g)? If none, leave box blank. Use the References to access important values if needed for this question....
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