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QUESTION 15 When an aqueous solution of KBr is electrolyzed,...
An aqueous Snl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the...
An aqueous Snl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25°C 12(s) +2 — 21'(aq) 0.535 O2(g) + 4 H30* (aq) + 4 —6H20(1) 1.229 2 H20(1) + 2 € H2(g) + 2 OH'(aq) -0.828 Sn²+(aq) +2 € + Sn(s) -0.140 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected...
QUESTION 13 Consider a voltaic cell based on the half-cells: Ag (aq) + e - Ag(s)...
QUESTION 13 Consider a voltaic cell based on the half-cells: Ag (aq) + e - Ag(s) E = +0.80 V Sn2+ (aq) + 2 e Sn(s) E = -0.14 V Identify the anode and give the cell voltage under standard conditions: O A Sn: Eºcell = -0.66 V B. Sn; Eºcell = 0.66 V O C. Ag: Eºcell = 0.67 V D. Ag: Eºcell = 0.94 V E. Sn; Eºcell = 0.94 V
1) Which of the following is the weakest oxidizing agent? Question options: a) Fe3+(aq) b) ClO2(g)...
1) Which of the following is the weakest oxidizing agent? Question options: a) Fe3+(aq) b) ClO2(g) c) I2(s) d) Fe(s) e)H2O2(aq) 2)A galvanic cell consists of one half-cell that contains Ag(s) and Ag+(aq), and one half-cell that contains Cu(s) and Cu2+(aq). What species are produced at the electrodes under standard conditions? Ag+(aq) + e- ? Ag(s) E° = +0.80 V Cu2+(aq) + 2 e- ? Cu(s) E° = +0.34 V Question 6 options: Cu(s) is formed at the cathode, and...
please help and answer all questions 4. What is the cell potential for Mn Mn2||Co2|Co, based...
please help and answer all questions
4. What is the cell potential for Mn Mn2||Co2|Co, based on the standard potentials? (2 pts) Mn(s) +Co+2 (aq) → Co(s) + Mn+2(aq) 5. A Student constructed a Mg Mg2||Ag|Ag cell and measured a cell potential of 3.17 V. Calculate the cell potential of the Mg Mg2 half reaction. (2 pts) Mg(s) + 2Ag (aq) - 2Ag(s) + Mg(aq) 6. Will silver metal react spontaneously with HCl(aq) to produce H:()? Explain. (2 pts) 2Ag(8)...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
the question is on the the bottom of the image! please answer the question is :...
the
question is on the the bottom of the image! please answer
the
question is : using the measured potentials give the cell notations
of at least 10 possible galvanic cells that do not use zinc in
them.
Eºcell (V) Cell +0.62 Anode: Zn(s) in ZnSO4(29) Cathode: Ca(s) in CuSO4(20) -0.51 Anode: Zn(s) in ZnSO4(29) Cathode: Ni(s) in NiSO4(aq) - 1.61 Anode Zn(s) in ZnSO4(29) Cathode: Mg(s) in MgSO4(aq) Anode Zn(s) in ZnSO4(0) Cathode: Mn() in MnSO4(aq) -0.42 Anode: Zn(s)...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Question 30 1 pts When an aqueous solution of sodium sulfate is electrolyzed, what are the...
Question 30 1 pts When an aqueous solution of sodium sulfate is electrolyzed, what are the expected products? Reduction Half-Reaction E° (V) Na" (aq) + = Na(s) -2.71 2H2O(l) + 2 H2(g) + 2OH(aq) -0.83 2H(aq) + 2 H2(g) 0.00 O2(g) + 4H(aq) + 40 = 2H 0(1) 1.23 S20,? (aq) + 20 = 250/?"(ag) 2.01 Na(s) and H2(g) Hz8), OH (aq), O2(g), and Haq) O2(g), H(aq), and Na(s) Hz(8), OH (ag), and Na(s) Hytg), OH (aq), and S,0, (ay)
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard...
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard Cell Potential Co- (aq) + e-Cot (aq) E = +1.82 V 1.53 V 2H(aq) + 2e-H2(g) E = +0.00 V Pb2+ (aq) + 2e-Pb(s) E = -0.13 V Fe (aq) + e-Fel+ (aq) E = +0.77 V Ag (aq) + e-Ag(s) E = +0.80 V Sn* (aq) + 2e Sne (aq) 20.13 V Cu- (aq) + e- Cu(aq) E = +0.15 V Zn²+ (aq)...
Please complete both! 1. When the following equation is balanced properly under acidic conditions, what are...
Please complete both!
1. When the following equation is balanced properly under acidic
conditions, what are the coefficients of the species shown?
____MnO2 + ____H3AsO3 --------_____Mn2+ +_____ H3AsO4
Water appears in the balanced equation as a_____ (reactant,
product, neither) with a coefficient of _____. (Enter 0 for
neither.) How many electrons are transferred in this
reaction?______
2.
A voltaic cell is constructed in which the anode is a Zn/Zn2+ half cell and the cathode is a Ag|Agt half cell. The...
An aqueous Snl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25°C 12(s) +2 — 21'(aq) 0.535 O2(g) + 4 H30* (aq) + 4 —6H20(1) 1.229 2 H20(1) + 2 € H2(g) + 2 OH'(aq) -0.828 Sn²+(aq) +2 € + Sn(s) -0.140 Half-reaction at anode: Half-reaction at cathode: (b) What is the expected...
QUESTION 13 Consider a voltaic cell based on the half-cells: Ag (aq) + e - Ag(s) E = +0.80 V Sn2+ (aq) + 2 e Sn(s) E = -0.14 V Identify the anode and give the cell voltage under standard conditions: O A Sn: Eºcell = -0.66 V B. Sn; Eºcell = 0.66 V O C. Ag: Eºcell = 0.67 V D. Ag: Eºcell = 0.94 V E. Sn; Eºcell = 0.94 V
please help and answer all questions
4. What is the cell potential for Mn Mn2||Co2|Co, based on the standard potentials? (2 pts) Mn(s) +Co+2 (aq) → Co(s) + Mn+2(aq) 5. A Student constructed a Mg Mg2||Ag|Ag cell and measured a cell potential of 3.17 V. Calculate the cell potential of the Mg Mg2 half reaction. (2 pts) Mg(s) + 2Ag (aq) - 2Ag(s) + Mg(aq) 6. Will silver metal react spontaneously with HCl(aq) to produce H:()? Explain. (2 pts) 2Ag(8)...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
the
question is on the the bottom of the image! please answer
the
question is : using the measured potentials give the cell notations
of at least 10 possible galvanic cells that do not use zinc in
them.
Eºcell (V) Cell +0.62 Anode: Zn(s) in ZnSO4(29) Cathode: Ca(s) in CuSO4(20) -0.51 Anode: Zn(s) in ZnSO4(29) Cathode: Ni(s) in NiSO4(aq) - 1.61 Anode Zn(s) in ZnSO4(29) Cathode: Mg(s) in MgSO4(aq) Anode Zn(s) in ZnSO4(0) Cathode: Mn() in MnSO4(aq) -0.42 Anode: Zn(s)...
Name SHOW ALL WORK. NO CREDIT UNLESS ALL WORK IS SHOWN. ROUNDING/SIG FIG ERRORS WILL BE PENALIZED. 1. Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Silver and iron electrodes, aqueous Silver nitrate, aqueous iron (UI) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e → Fe (s) Ag (aq) + e - Ag(s) E° -0.040 V Eº= 0.795 V a. Identify the electrodes as Anode or...
Question 30 1 pts When an aqueous solution of sodium sulfate is electrolyzed, what are the expected products? Reduction Half-Reaction E° (V) Na" (aq) + = Na(s) -2.71 2H2O(l) + 2 H2(g) + 2OH(aq) -0.83 2H(aq) + 2 H2(g) 0.00 O2(g) + 4H(aq) + 40 = 2H 0(1) 1.23 S20,? (aq) + 20 = 250/?"(ag) 2.01 Na(s) and H2(g) Hz8), OH (aq), O2(g), and Haq) O2(g), H(aq), and Na(s) Hz(8), OH (ag), and Na(s) Hytg), OH (aq), and S,0, (ay)
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard Cell Potential Co- (aq) + e-Cot (aq) E = +1.82 V 1.53 V 2H(aq) + 2e-H2(g) E = +0.00 V Pb2+ (aq) + 2e-Pb(s) E = -0.13 V Fe (aq) + e-Fel+ (aq) E = +0.77 V Ag (aq) + e-Ag(s) E = +0.80 V Sn* (aq) + 2e Sne (aq) 20.13 V Cu- (aq) + e- Cu(aq) E = +0.15 V Zn²+ (aq)...
Please complete both!
1. When the following equation is balanced properly under acidic
conditions, what are the coefficients of the species shown?
____MnO2 + ____H3AsO3 --------_____Mn2+ +_____ H3AsO4
Water appears in the balanced equation as a_____ (reactant,
product, neither) with a coefficient of _____. (Enter 0 for
neither.) How many electrons are transferred in this
reaction?______
2.
A voltaic cell is constructed in which the anode is a Zn/Zn2+ half cell and the cathode is a Ag|Agt half cell. The...
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