Consider the following redox reaction. 2MnO−4(aq)+2H2O(l)+6H+(aq)2Mn2+(aq)+5H2O2(l) The standard reduction potentials for the species in the reaction...
Consider the following redox reaction.
2MnO−4(aq)+2H2O(l)+6H+(aq)2Mn2+(aq)+5H2O2(l)
The standard reduction potentials for the species in the reaction are listed below:
H2O2(l)+2H+(aq)+2e−2H2O(l) E°red,H2O2 = 1.776
V
MnO−4(aq)+8H+(aq)+5e−Mn2+(aq)+4H2O(l) E°red, MnO4
- =1.507
Calculate E° =? V
Homework Answers
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Consider the following redox reaction.
2MnO−4(aq)+2H2O(l)+6H+(aq)2Mn2+(aq)+5H2O2(l)
The standard reduction potentials for the species in the
reaction...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl:...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl: (g)2NaBr (aq) a) Oxidation half-reaction: Reduction half-reaction: CrCls (aq)+ Au (s) AuCl3(aq) Cr (s) - b) Oxidation half-reaction: Reduction half-reaction: Identify the oxidizing agent and the reducing agent in these complete redox reactions: 5. 5SO2-2Mn2+ 5so +3H2O a) 2MnO, +6H A) MnO B) So2 C) Mn2 D) SO E) H Oxidizing agent: b) 5Fe2 (aq) + MnO4 (ag) +8H'(aq)-5Fe (ag)+...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction. Round your answer to 3 significant digits Mn (aq)+2H,O()+2Fe (aq)MnO, ()+4H (aq)+2Fe (aq) dhData Cu (aq) + e Cu (5) F2 (0)+2e2F (aq) Fe (aq) +2e Fe (s) Fe (aq) + eFe2 (aq) Fe (aq) + 3e Fe (s) 2.866 X ? -0.447 0.771 -e.037 2H (aq)+2e H (0) e.000 2H)O (I)+2e H2 (a) +20H(aq) -0.8277 1.776 H2O2 (aq)...
3. Calculate the redox potential (in volts) for a LiMnO2/graphite battery. (Redox reaction) MnO4- + 8H...
3. Calculate the redox potential (in volts) for a
LiMnO2/graphite battery.
(Redox reaction)
MnO4- + 8H + 5e- →
Mn2+ (aq) + 4H2O (+1.51 V)
MnO2 + 4H +2e-
→ Mn2+ (aq) + 2H2O (+1.22 V)
xLi+ + C6 + e- → LixC5 (-3.00
V)
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f....
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction...
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction of Cut with Zn2+ to produce Cu2+ and Zn? E = 0.28 X v Will Cut be able to reduce Zn2+ to Zn? no (yes or no) What is the standard potential for the reaction of Ce3+ with Ag! to produce Ag? Ex= 0.90 x v Will Cell be able to reduce Ag! to Ag? yes (yer or no) Ered (V) 0.68 0.52 0.40...
Question 4 Using the table of standard reduction potentials shown below, calculate the standard cell potential for...
Question 4 Using the table of standard reduction potentials shown below, calculate the standard cell potential for a battery based on the following reactions. • MnO4 +8H+ + 5e + Mn+2 +4 H20 . 5 Ag + 5 Ag+1 +5e Reduction Half-Reaction F2 +2e + 2F MnO4 + 8 H+ + 5e + Mn+2 + 4H2O Cl2 + 2e + 20 O2 + 4H+ + 4e + 2 H2O Ag++ e + Ag Fet3 Fe + Fet2 O2 + 2...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 3 Zn + 2 Cr3+ + 2 Cr + 3 Zn? (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? TABLE 18.1 Standard Reduction Potentials at 25°C EV) 2.87 1.61 1.51 1.36...
the standard reduction potential is attached below Use the table of standard reduction potentials for the...
the standard reduction potential is attached below
Use the table of standard reduction potentials for the following exercises. 4. Predict the products of the following redox reactions, then identify which could spontaneously occur. a) H(aq) + Au (s) → b) H (aq) + Na (8) ► c) Au+ (aq) + Na (5) ► 5. Find a reagent that can oxidize Br" to Br2 but cannot oxidize CI'' to Cl? More than one reagent is possible, but you only need to...
8. Using standard reduction potentials below, calculate the standard reaction free ener ΔGo for the following...
8. Using standard reduction potentials below, calculate the standard reaction free ener ΔGo for the following redox reaction. Round your answer to 4 si 2Br (aq) + 2H20)Br)+ H2(g)+20H (aq) Br2(l) + 2e → 2Br(aq) E 1.066 V 2H200)+ 2e H2(g)+20H (aq) E -0.8277 v
. Using standard reduction potentials below, calculate the standard reaction free energy 0 ΔGo for the...
. Using standard reduction potentials below, calculate the standard reaction free energy 0 ΔGo for the following redox reaction. Round your answer to 4 significant digits 2Br (aq) + 2H200) Br201)+ H2(g) + 2OH (aq) E-1.066 V Br2(l) + 2e → 2Br(aq) 2H201) +2e- H2(g) +20H (aq) E-0.8277 V
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction +...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl: (g)2NaBr (aq) a) Oxidation half-reaction: Reduction half-reaction: CrCls (aq)+ Au (s) AuCl3(aq) Cr (s) - b) Oxidation half-reaction: Reduction half-reaction: Identify the oxidizing agent and the reducing agent in these complete redox reactions: 5. 5SO2-2Mn2+ 5so +3H2O a) 2MnO, +6H A) MnO B) So2 C) Mn2 D) SO E) H Oxidizing agent: b) 5Fe2 (aq) + MnO4 (ag) +8H'(aq)-5Fe (ag)+...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction. Round your answer to 3 significant digits Mn (aq)+2H,O()+2Fe (aq)MnO, ()+4H (aq)+2Fe (aq) dhData Cu (aq) + e Cu (5) F2 (0)+2e2F (aq) Fe (aq) +2e Fe (s) Fe (aq) + eFe2 (aq) Fe (aq) + 3e Fe (s) 2.866 X ? -0.447 0.771 -e.037 2H (aq)+2e H (0) e.000 2H)O (I)+2e H2 (a) +20H(aq) -0.8277 1.776 H2O2 (aq)...
3. Calculate the redox potential (in volts) for a
LiMnO2/graphite battery.
(Redox reaction)
MnO4- + 8H + 5e- →
Mn2+ (aq) + 4H2O (+1.51 V)
MnO2 + 4H +2e-
→ Mn2+ (aq) + 2H2O (+1.22 V)
xLi+ + C6 + e- → LixC5 (-3.00
V)
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f....
Consider the following species. Cut Ce3+ Ag+ Zn2+ What is the standard potential for the reaction of Cut with Zn2+ to produce Cu2+ and Zn? E = 0.28 X v Will Cut be able to reduce Zn2+ to Zn? no (yes or no) What is the standard potential for the reaction of Ce3+ with Ag! to produce Ag? Ex= 0.90 x v Will Cell be able to reduce Ag! to Ag? yes (yer or no) Ered (V) 0.68 0.52 0.40...
Question 4 Using the table of standard reduction potentials shown below, calculate the standard cell potential for a battery based on the following reactions. • MnO4 +8H+ + 5e + Mn+2 +4 H20 . 5 Ag + 5 Ag+1 +5e Reduction Half-Reaction F2 +2e + 2F MnO4 + 8 H+ + 5e + Mn+2 + 4H2O Cl2 + 2e + 20 O2 + 4H+ + 4e + 2 H2O Ag++ e + Ag Fet3 Fe + Fet2 O2 + 2...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 3 Zn + 2 Cr3+ + 2 Cr + 3 Zn? (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? TABLE 18.1 Standard Reduction Potentials at 25°C EV) 2.87 1.61 1.51 1.36...
the standard reduction potential is attached below
Use the table of standard reduction potentials for the following exercises. 4. Predict the products of the following redox reactions, then identify which could spontaneously occur. a) H(aq) + Au (s) → b) H (aq) + Na (8) ► c) Au+ (aq) + Na (5) ► 5. Find a reagent that can oxidize Br" to Br2 but cannot oxidize CI'' to Cl? More than one reagent is possible, but you only need to...
8. Using standard reduction potentials below, calculate the standard reaction free ener ΔGo for the following redox reaction. Round your answer to 4 si 2Br (aq) + 2H20)Br)+ H2(g)+20H (aq) Br2(l) + 2e → 2Br(aq) E 1.066 V 2H200)+ 2e H2(g)+20H (aq) E -0.8277 v
. Using standard reduction potentials below, calculate the standard reaction free energy 0 ΔGo for the following redox reaction. Round your answer to 4 significant digits 2Br (aq) + 2H200) Br201)+ H2(g) + 2OH (aq) E-1.066 V Br2(l) + 2e → 2Br(aq) 2H201) +2e- H2(g) +20H (aq) E-0.8277 V
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
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