A. The standard hydrogen electrode has a potential of 0.00 volts at standard conditions. What wou...
A. The standard hydrogen electrode has a potential of 0.00 volts at standard conditions. What would be its potential (in volts) at 25oC, 1 atm H2(g), and pH 3.0?
B. Calculate the potential (in volts) that would result from the following electrochemical cell at 25oC: Ag/AgCl || S2O82-(0.28 M), SO42-(1.04 M) | Pt
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A. The standard hydrogen electrode has a potential of 0.00 volts at standard conditions. What wou...
a.) A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and...
a.) A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode (P(H2) = 1 atm) immersed in a solution of unknown [H+]. If the cell potential is 0.204 V, what is the pH of the unknown solution at 298 K? b.) An electrochemical cell is constructed in which a Cr3+(1.00 M)|Cr(s) half-cell is connected to an H3O+(aq)|H2(1 atm) half-cell with unknown H3O+ concentration. The measured cell voltage is 0.366...
A. Calculate the cell potential that would result in the following electrochemical cell at 25oC: ...
A. Calculate the cell potential that would result in the following electrochemical cell at 25oC: Pt | UO22+(0.10M),U4+(0.22M),H+(0.60M) || Ag+(0.034M) | Ag Line notation is anode || cathode Write Nernst equations for the anode and cathode separately. Then Ecell = Ecathode - E anode B. If the electrochemical cell Ag/AgCl || Zn2+(x M) | Zn(s) develops a potential of -1.039 volts at 25oC, what is the Zn2+ concentration in the solution? (Answer in decimal format) Ag/AgCl reference electrode has E=0.199...
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential...
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential of the cell Fe(s) Fe3+(aq) || Ag" (aq) Ag(s) is +0.84 V. What is the standard reduction potential of the Fe3+1Fe electrode? +1.64 V +0.04 V O-1.64v -0.04 v -0.12 V Question 10 (1 point) In the following cell, A is a standard Co2+1Co electrode connected to a standard hydrogen electrode. If the voltmeter reading is -0.28 V, which half-reaction occurs in the left-hand...
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? fH+]...
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? fH+] = 0.78 M PH, = 1.5 atm T = 298 K E =
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2...
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2.2 atm T = 298 K
What would the potential of a standard hydrogen electrode (S.Н.Е.) be under the given conditions? [H+]...
What would the potential of a standard hydrogen electrode (S.Н.Е.) be under the given conditions? [H+] = 0.62 M PH2 = 3.9 atm T=298 K E-0.028
What would the potential of a standard hydrogen (S.H.E.) electrode be under the given conditions? H+)...
What would the potential of a standard hydrogen (S.H.E.) electrode be under the given conditions? H+) = 0.23 M PH, = 4.5 bar T = 298 K
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode...
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell: Pt(s)|H2(g,1atm)|H+(aq,1.0M)||Au3+(aq,?M)|Au(s). What is the concentration of Au3+ in the solution if Ecell is 1.26 V ? To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.117 V ? (Assume that the partial pressure of hydrogen gas remains at 1 atm.) Express your answer using two decimal places.
What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the...
What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions? [H+] = 0.47 M PH2 = 1.8 atm T = 298 K
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode....
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.13 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Pb2+/Pb couples are 0.00 and -0.13 V, respectively. voltmeter saltbridge 1+ Pl(s) LPH2 (g) O Pb2+(aq) + H2(g) --> Pb(s) + 2H+(aq) O Pb(s) + 2H+(aq) --> Pb2+(aq) + H2(g)
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential of the cell Fe(s) Fe3+(aq) || Ag" (aq) Ag(s) is +0.84 V. What is the standard reduction potential of the Fe3+1Fe electrode? +1.64 V +0.04 V O-1.64v -0.04 v -0.12 V Question 10 (1 point) In the following cell, A is a standard Co2+1Co electrode connected to a standard hydrogen electrode. If the voltmeter reading is -0.28 V, which half-reaction occurs in the left-hand...
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? fH+] = 0.78 M PH, = 1.5 atm T = 298 K E =
What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions? [H+] = 0.82 M PH, = 2.2 atm T = 298 K
What would the potential of a standard hydrogen electrode (S.Н.Е.) be under the given conditions? [H+] = 0.62 M PH2 = 3.9 atm T=298 K E-0.028
What would the potential of a standard hydrogen (S.H.E.) electrode be under the given conditions? H+) = 0.23 M PH, = 4.5 bar T = 298 K
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.13 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Pb2+/Pb couples are 0.00 and -0.13 V, respectively. voltmeter saltbridge 1+ Pl(s) LPH2 (g) O Pb2+(aq) + H2(g) --> Pb(s) + 2H+(aq) O Pb(s) + 2H+(aq) --> Pb2+(aq) + H2(g)
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