Homework Answers
Anode(oxidation): 2Cr(s) ------> 2Cr(aq)3+ + 6e-
Cathode (reduction) : 3Cu(aq)2+ + 6e- ------> 3Cu(s)
Overall reaction is 2Cr(s) + 3Cu(aq)2+ ------> 2Cr(aq)3+ + 3Cu(s)
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On the cell diagram, label (9 pts): • the electrodes (Cr & Cu) • each aqueous...
Draw out a cell for Al in Al(NO3)3 and Ag in AgNO3. Label the anode and...
Draw out a cell for Al in Al(NO3)3 and Ag in AgNO3. Label the anode and cathode sides, including charge on each electrode. (hint: use a table of standard reduction potentials). Indicate direction of electron flow. Write the net reaction, and the half reactions. What is the standard cell potential? Indicate for both electrodes whether they are dissolving, growing, or staying the same size. Assuming the salt bridge contains KNO3, indicate flow of ions into and out of salt bridge....
Draw the diagram for the standard cell potential of a Cu/Cu cell that is 0.05 M...
Draw the diagram for the standard cell potential of a Cu/Cu cell that is 0.05 M and 1.00 M in cusoa. Label the anode, cathode, direction of electron flow, salt bridge, oxidation side, and reducing side. 1.
Parts a-j of this question refer to the following cell at 298 K. Complete the diagram...
Parts a-j of this question refer to the following cell at 298 K. Complete the diagram of the following voltaic cell: Zinc and iron electrodes, aqueous zinc nitrate, aqueous iron (III) nitrate, potassium nitrate salt bridge. Fe3+ (aq) + 3e- → Fe (s) E°= -0.040 V Ag+(aq) + e- → Ag(s) E°= 0.795 V a. Identify the electrodes as Anode or Cathode. Write the correct metal for each assuming the reactions are spontaneous b. Show the direction of the electron...
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...
3. The following redox couple was used in the construction of a voltaic cell. (All ions...
3. The following redox couple was used in the construction of a voltaic cell. (All ions are in aqueous solution and you ned to decide which haif resetion wil e in he cahode side and wh the cathode side and which in the anode side.) For the cell: . Make a sketch of the cell labeling anode, cathode, salt bridge (using KNOs), direction of electron flow, oxidation half ell, reduction half cell, charge of the anode, charge of the cathode,...
i would really appreciate a quick answer please, thank you 11. Label the diagram below ofa...
i
would really appreciate a quick answer please, thank you
11. Label the diagram below ofa galvanic cell for the following reaction: (15 marks). H2(g)+ Cl2(g) -2 H (aq) + 2 Cl-(aq) Write the oxidation and reduction half-cell reactions (4 marks) a. Oxidation Half reaction Reduction Half Reaction b. On the diagram of the galvanic cell, i) Identify the anode and cathode metals, ii) indicate the direction of electron flow through the circuit, ii) Indicate the direction of the anion...
Correctly label each part of the volatic electrochemical cell shown below for the Cu(NO3)2 and ZnSO4...
Correctly label each part of the volatic electrochemical cell
shown below for the Cu(NO3)2 and ZnSO4 cell that will be
constructed in Part 2 of this lab.
Correctly label each part of the volatic electrochemical cell shown below for the Cu(NO3)2 and ZnSO4 cell that will be constructed in Part 2 of this lab. Anode Cathode [Choose ] ✓ Aqueous zinc(ll) sulfate solution None of these Aqueous copper(II) nitrate solution Zinc metal Flow of cations Flow of anions Salt Bridge...
Magnesium metal is oxidized and silver ions are reduced in a voltaic cell using: Mg(s) |...
Magnesium metal is oxidized and silver ions are reduced in a voltaic cell using: Mg(s) | Mg2+ (aq, 1M) || Ag+ (aq, 1M) | Ag(s) a. Draw the voltaic cell. Label each part of the cell. b. Write the equations for the half-reactions occurring at the anode and cathode. c. Write the overall reaction for the cell. d. Draw arrows to show the movement of electrons in the external circuit. Assuming the salt bridge contains NaNO3, indicate the movement of...
7. You decide to construct a zinc/aluminum galvanic cell in which the electrodes are connected by...
7. You decide to construct a zinc/aluminum galvanic cell in which the electrodes are connected by a wire and the solutions are connected with a salt bridge. One electrode consists of an aluminum bar in a 1.0 M solution of aluminum nitrate. The other electrode consists of zinc bar in a 1.0 M solution of zinc nitrate. Draw the complete electrochemical cell diagram and use it to answer the questions that follow. a. Which electrode is the cathode and which...
Consider the following electrochemical cell: Al (s) I Al3+ (aq) (1.00 M) II Cu2+ (aq) (0.0020...
Consider the following electrochemical cell: Al (s) I Al3+ (aq) (1.00 M) II Cu2+ (aq) (0.0020 M) I Cu (s) where Cu2+ aq + 2e- -> Cu (s) +0.34 V and Al3+ aq + 3e- -> Al (s) -1.66 V Calculate the standard cell potential for the given cell, calculate the cell potential for the given cell, and sketch the electrochemical cell using two beakers and labeling the electrodes, the cathode, the anode, the direction of electron flow in the...
Draw the diagram for the standard cell potential of a Cu/Cu cell that is 0.05 M and 1.00 M in cusoa. Label the anode, cathode, direction of electron flow, salt bridge, oxidation side, and reducing side. 1.
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...
3. The following redox couple was used in the construction of a voltaic cell. (All ions are in aqueous solution and you ned to decide which haif resetion wil e in he cahode side and wh the cathode side and which in the anode side.) For the cell: . Make a sketch of the cell labeling anode, cathode, salt bridge (using KNOs), direction of electron flow, oxidation half ell, reduction half cell, charge of the anode, charge of the cathode,...
i
would really appreciate a quick answer please, thank you
11. Label the diagram below ofa galvanic cell for the following reaction: (15 marks). H2(g)+ Cl2(g) -2 H (aq) + 2 Cl-(aq) Write the oxidation and reduction half-cell reactions (4 marks) a. Oxidation Half reaction Reduction Half Reaction b. On the diagram of the galvanic cell, i) Identify the anode and cathode metals, ii) indicate the direction of electron flow through the circuit, ii) Indicate the direction of the anion...
Correctly label each part of the volatic electrochemical cell
shown below for the Cu(NO3)2 and ZnSO4 cell that will be
constructed in Part 2 of this lab.
Correctly label each part of the volatic electrochemical cell shown below for the Cu(NO3)2 and ZnSO4 cell that will be constructed in Part 2 of this lab. Anode Cathode [Choose ] ✓ Aqueous zinc(ll) sulfate solution None of these Aqueous copper(II) nitrate solution Zinc metal Flow of cations Flow of anions Salt Bridge...
7. You decide to construct a zinc/aluminum galvanic cell in which the electrodes are connected by a wire and the solutions are connected with a salt bridge. One electrode consists of an aluminum bar in a 1.0 M solution of aluminum nitrate. The other electrode consists of zinc bar in a 1.0 M solution of zinc nitrate. Draw the complete electrochemical cell diagram and use it to answer the questions that follow. a. Which electrode is the cathode and which...
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