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Assignment 8 - Electrochemistry 1. Consider the reaction: 2Felip) +2170g) →2Feldg) +12(aq) Is the reaction spontaneous?...
Pre-lab assignment CHEM 110 Experiment 12 Electrochemistry 1. Define an oxidizing agent and give an example....
Pre-lab assignment CHEM 110 Experiment 12 Electrochemistry 1. Define an oxidizing agent and give an example. 2. Balance the following redox reaction for the half-reactions below; O2 + 2H20 + 4e 40H Zn → Zn +2e 3. What is the purpose of a salt bridge? 4. What is the difference between an electrochemical cell and an electrolysis cell
TIL O ELECTROCHEMISTRY Balancing a complex redox equation in acidic or basic solution Balance the following...
TIL O ELECTROCHEMISTRY Balancing a complex redox equation in acidic or basic solution Balance the following redox reaction in acidic solution. Br" (aq)+NO3(aq) → Br_(1)+NO(g) Br (aq) + NO, (aq) — Bry() + NO(g) 0-0
NAME: General Chemistry II Electrochemistry Quiz 1) Consider the cell described by: Cu Cu2+ (1.00 M)...
NAME: General Chemistry II Electrochemistry Quiz 1) Consider the cell described by: Cu Cu2+ (1.00 M) || Zn2+(1.00M) | Zn a) Draw this cell, labeling everything including the cathode, anode and salt bridge and any ions in solution. Show the flow of electrons in the circuit. b) Write out the reduction and oxidation half reactions for this cell. OVER → 2) Balance the following redox equations using the half-reaction method. Show all steps. a) ClO3 + + CH-1 → Cl2...
A galvanic cell is powered by the following redox reaction: 3 Fe'*(aq) + MnO(s) + 4...
A galvanic cell is powered by the following redox reaction: 3 Fe'*(aq) + MnO(s) + 4 OH(aq) → 3 Fe2+ (aq) + Mno (aq) + 2 H,00 Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. x 5 ? Calculate...
1. Balance the following reaction in acidic solution. I-(aq) + MnO4-(aq) Mn2+(aq) + I2(s) 2....
1. Balance the following reaction in acidic solution. I-(aq) + MnO4-(aq) Mn2+(aq) + I2(s) 2. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: Zn(s) + NO3-(aq) à NH3 (aq) + Zn(OH)42- (aq) 3. Write a balanced net ionic equation for the following reaction in basic solution using both methods for balancing a redox reaction: MnO4-(aq) + C2H5OH(aq) à Mn2+(aq) + HC2H3O2 (aq)
2. An electrochemical cell is prepared to apply the following half reactions: HUO 3+ (aq) +...
2. An electrochemical cell is prepared to apply the following half reactions: HUO 3+ (aq) + + OH (24) +1e UO2 (aq) +H2O Ered = -0.48 V Ti* (aq) + 1 e -Ti) Ered = -0.52 V a. Give the balanced net redox reaction in the spontaneous direction. (2 marks) b. What is Eºcell? (2 marks) c. In the working electrochemical cell applying the net redox reaction in the spontaneous direction under standard conditions of concentration, what material must the...
Assignment 8 - Electrochemistry 22. A trophy manufacturer electroplates an iron trophy with gold. POWER SUPPLY...
Assignment 8 - Electrochemistry 22. A trophy manufacturer electroplates an iron trophy with gold. POWER SUPPLY a) Write the equation for the half-reaction that occurs at the iron trophy. (1 mark) b) Identify an appropriate electrolyte. (1 mark) c) Identify the cathode. (1 mark) d) Explain how to maintain a constant metal ion concentration in the electrolyte. (1 mark) Assignment 8 - Electrochemistry 23. Consider the following diagram for the electrorefining of lead: DC Power Source (Pure Lead) (Impure Lead)...
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell. A galvanic cell at a temperature...
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell. A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2Mno (ae)+ 16H (a)+SPb (G)2Mn2 (a)+8H,0 ()+SPo (a) Suppose the cell is prepared with 1.5s M MnO and1.53 MH in one half-cell and 0.623 M Mn2 and 259 M Pb2 in the other Calculate the cell voltage under these conditions. Round your answer to 3 significant digits
1. Find the reduction half reaction, oxidation half reaction, and overall balanced redox reaction of the...
1. Find the reduction half reaction, oxidation half reaction, and overall balanced redox reaction of the following in the indicated acidic/basic solutions a. Kl(aq) + FeCl3(aq) (ACIDIC) b. Kl(aq) + FeCl3(aq) (BASIC) c. K2Cr2O7(aq) (ACIDIC) + FeSO4(aq) (Chromium in the +6 oxidation state) d. K2Cr2O7(aq) (ACIDIC) + CO(NO3)2(aq) e. Reduction of H2O2: H2O2(aq) + Cr(OH)3(s) (BASIC) f. Oxidation of H2O2: H2O2(aq) + FeCl3(aq)
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4...
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4 OH (aq). E = +0.59 V 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. X 5 ? Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Yes Do you have...
Pre-lab assignment CHEM 110 Experiment 12 Electrochemistry 1. Define an oxidizing agent and give an example. 2. Balance the following redox reaction for the half-reactions below; O2 + 2H20 + 4e 40H Zn → Zn +2e 3. What is the purpose of a salt bridge? 4. What is the difference between an electrochemical cell and an electrolysis cell
TIL O ELECTROCHEMISTRY Balancing a complex redox equation in acidic or basic solution Balance the following redox reaction in acidic solution. Br" (aq)+NO3(aq) → Br_(1)+NO(g) Br (aq) + NO, (aq) — Bry() + NO(g) 0-0
NAME: General Chemistry II Electrochemistry Quiz 1) Consider the cell described by: Cu Cu2+ (1.00 M) || Zn2+(1.00M) | Zn a) Draw this cell, labeling everything including the cathode, anode and salt bridge and any ions in solution. Show the flow of electrons in the circuit. b) Write out the reduction and oxidation half reactions for this cell. OVER → 2) Balance the following redox equations using the half-reaction method. Show all steps. a) ClO3 + + CH-1 → Cl2...
A galvanic cell is powered by the following redox reaction: 3 Fe'*(aq) + MnO(s) + 4 OH(aq) → 3 Fe2+ (aq) + Mno (aq) + 2 H,00 Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. x 5 ? Calculate...
2. An electrochemical cell is prepared to apply the following half reactions: HUO 3+ (aq) + + OH (24) +1e UO2 (aq) +H2O Ered = -0.48 V Ti* (aq) + 1 e -Ti) Ered = -0.52 V a. Give the balanced net redox reaction in the spontaneous direction. (2 marks) b. What is Eºcell? (2 marks) c. In the working electrochemical cell applying the net redox reaction in the spontaneous direction under standard conditions of concentration, what material must the...
Assignment 8 - Electrochemistry 22. A trophy manufacturer electroplates an iron trophy with gold. POWER SUPPLY a) Write the equation for the half-reaction that occurs at the iron trophy. (1 mark) b) Identify an appropriate electrolyte. (1 mark) c) Identify the cathode. (1 mark) d) Explain how to maintain a constant metal ion concentration in the electrolyte. (1 mark) Assignment 8 - Electrochemistry 23. Consider the following diagram for the electrorefining of lead: DC Power Source (Pure Lead) (Impure Lead)...
O ELECTROCHEMISTRY Using the Nernst equation to calculate nonstandard cell. A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2Mno (ae)+ 16H (a)+SPb (G)2Mn2 (a)+8H,0 ()+SPo (a) Suppose the cell is prepared with 1.5s M MnO and1.53 MH in one half-cell and 0.623 M Mn2 and 259 M Pb2 in the other Calculate the cell voltage under these conditions. Round your answer to 3 significant digits
1. Find the reduction half reaction, oxidation half reaction, and overall balanced redox reaction of the following in the indicated acidic/basic solutions a. Kl(aq) + FeCl3(aq) (ACIDIC) b. Kl(aq) + FeCl3(aq) (BASIC) c. K2Cr2O7(aq) (ACIDIC) + FeSO4(aq) (Chromium in the +6 oxidation state) d. K2Cr2O7(aq) (ACIDIC) + CO(NO3)2(aq) e. Reduction of H2O2: H2O2(aq) + Cr(OH)3(s) (BASIC) f. Oxidation of H2O2: H2O2(aq) + FeCl3(aq)
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4 OH (aq). E = +0.59 V 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. X 5 ? Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Yes Do you have...
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