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![to sité é - Pb Al a Salt bridge St 1.0 pb eneste loopb (ng 1.0 Al(No3 Reduction potentiale set Sm] +36 >> Al(s), 6°= -1.6771](http://img.homeworklib.com/questions/93121780-d805-11eb-ae0e-81e00711afa1.png?x-oss-process=image/resize,w_560)
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Name Date Class The Electrochemical Cell salt bridge 10N U ANNO, 1.0M Pb(NO), Answer the questions...
A voltaic electrochemical cell is constructed in which the anode is a Pb2+Pb half cell and...
A voltaic electrochemical cell is constructed in which the anode is a Pb2+Pb half cell and the cathode is a Cu2+, Cu+ half cell. The half-cell compartments are connected by a salt bridge. Write the anode reaction. ___+______---->_____ +______ Write the cathode reaction. ______+________---->______ +_____ Write the net cell reaction. _______+_______------>______ +_______ In the external circuit, electrons migrate_____(from or to) the Pb2+Pb electrode ______ (from or to) the Cu2+, Cu+ electrode. In the salt bridge, anions migrate______ (from or to)...
25. The purpose of the salt bridge in an electrochemical cell is to A) maintain electrical...
25. The purpose of the salt bridge in an electrochemical cell is to A) maintain electrical neutrality in the half-cells via migration of ions. B) provide a source of ions to react at the anode and cathode. C) provide oxygen to facilitate oxidation at the anode. D) provide a means for electrons to travel from the anode to the cathode. E) provide a means for electrons to travel from the cathode to the anode.
salt bridge Zn(s) electrode Culs) electrode 1.0M Zn (a 1.0 M Cu (aq A voltaic cell...
salt bridge Zn(s) electrode Culs) electrode 1.0M Zn (a 1.0 M Cu (aq A voltaic cell similar to that shown in the figure above is constructed. The electronic device shown at the top of the figure is a volt meter. One electrode compartment consists of a zinc strip placed in a 1.0 M ZnCl2 solution, and the other has a copper strip placed in a 1.0 M CuSOA solution. The overall cell reaction is: Zn(s)Cu2+(aq)= zn2+ (aq ) Cu (s)...
A voltaic electrochemical cell is constructed in which the anode is a Mn2+ |Mn half cell...
A voltaic electrochemical cell is constructed in which the anode is a Mn2+ |Mn half cell and the cathode is a Pb2+ |Pb half cell. The half-cell compartments are connected by a salt bridge. Write the anode reaction. Write the cathode reaction. Write the net cell reaction. In the external circuit, electrons migrate _____fromto the Mn2+ | Mn electrode _____fromto the Pb2+ |Pb electrode. In the salt bridge, anions migrate _____fromto the Mn2+ | Mn compartment _____fromto the Pb2+ |Pb...
6. Consider an electrochemical cell constructed from the following half cells, linked by an external cir-...
6. Consider an electrochemical cell constructed from the following half cells, linked by an external cir- cuit and by a KCl salt bridge. • an Als) electrode in 1.0 MAINO:)solution . a Pb(s) electrode in 1.0 MPb(NO3), solution 1. Which is oxidized? A. AI B. A C. Pь D. Pb? 2. Which is the half reaction at the anode? A. B. C. D. Pb() Pb(aa) +2e A1) Al (aq) +3e. Pb(aq) + 2e →Pb() Al (aa) +3e + Al(s) 3....
Use the information given below to answer the questions about this standard electrochemical cell. ξo(V) Cu2+(aq)...
Use the information given below to answer the questions about this standard electrochemical cell. ξo(V) Cu2+(aq) + 2 e- → Cu (s) + 0.34 Zn2+(aq) + 2 e-→ Zn (s) - 0.76 Mark each of these statements as True or False. a.) The concentration of Cu2+ decreases as the reaction proceeds. b.) The solid metal cathode decreases in mass. c.) Negatively charged ions flow from the salt bridge to the anode. d.) The electrons will flow from the anode to...
PLEASE ANSWER ALL 4. The cell potential for the unbalanced chemical reaction: Hg2 2+(aq) + NO3...
PLEASE ANSWER ALL 4. The cell potential for the unbalanced chemical reaction: Hg2 2+(aq) + NO3 - (aq) + H+ (aq) → Hg2+(aq) + HNO2(aq) is measured under standard conditions and found to be + 0.02 V at 25C. a) What substance (not just the element) is oxidized in the cell? b) What substance (not just the element) is reduced in the cell? c) Write the half-reaction that occurs in the anode compartment. d) Write the half-reaction that occurs in...
2. Write the cell notation for an electrochemical cell consisting of an anode where Mg (s)...
2. Write the cell notation for an electrochemical cell
consisting of an anode where Mg
(s) is oxidized to
Mg2+(aq) and a cathode
where Al3+(aq) is
reduced to Al (s) . Assume all
aqueous solutions have a concentration of 1 mol/L.
Enter electrons as e Use smallest possible integer coefficients for ALL reactions. If a box is not needed, leave it blank. A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by...
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...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
25. The purpose of the salt bridge in an electrochemical cell is to A) maintain electrical neutrality in the half-cells via migration of ions. B) provide a source of ions to react at the anode and cathode. C) provide oxygen to facilitate oxidation at the anode. D) provide a means for electrons to travel from the anode to the cathode. E) provide a means for electrons to travel from the cathode to the anode.
salt bridge Zn(s) electrode Culs) electrode 1.0M Zn (a 1.0 M Cu (aq A voltaic cell similar to that shown in the figure above is constructed. The electronic device shown at the top of the figure is a volt meter. One electrode compartment consists of a zinc strip placed in a 1.0 M ZnCl2 solution, and the other has a copper strip placed in a 1.0 M CuSOA solution. The overall cell reaction is: Zn(s)Cu2+(aq)= zn2+ (aq ) Cu (s)...
6. Consider an electrochemical cell constructed from the following half cells, linked by an external cir- cuit and by a KCl salt bridge. • an Als) electrode in 1.0 MAINO:)solution . a Pb(s) electrode in 1.0 MPb(NO3), solution 1. Which is oxidized? A. AI B. A C. Pь D. Pb? 2. Which is the half reaction at the anode? A. B. C. D. Pb() Pb(aa) +2e A1) Al (aq) +3e. Pb(aq) + 2e →Pb() Al (aa) +3e + Al(s) 3....
2. Write the cell notation for an electrochemical cell
consisting of an anode where Mg
(s) is oxidized to
Mg2+(aq) and a cathode
where Al3+(aq) is
reduced to Al (s) . Assume all
aqueous solutions have a concentration of 1 mol/L.
Enter electrons as e Use smallest possible integer coefficients for ALL reactions. If a box is not needed, leave it blank. A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
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