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3. (5 pts.) The oxidation of copper metal by iron (III) chloride used in the etching...
Multiple choice: 3. (5 pts.) The oxidation of copper metal by iron (III) chloride used in...
Multiple choice: 3. (5 pts.) The oxidation of copper metal by iron (III) chloride used in the etching of circuit boards goes as follows: 2 Fe3+ (aq) + Cu (s) → 2 Fe2+ (aq) + Cu2+ (aq) The reduction potential for the Fe3+/Fe2+ and Cu2+/Cu pair are +0.772 V and -0.340 V, respectively. The concentrations are [Fe3+] = 1.24 M, [Fe2+] = .248 M, and [Cu2+] = .342 M. The electrical potential for this cell at 25.00C is: (a) +1.057...
question iii 10. An electrochemical cell consists of a standard Fe/Fe electrode (Fe (aq) (1.OM) IFe...
question iii
10. An electrochemical cell consists of a standard Fe/Fe electrode (Fe (aq) (1.OM) IFe (aq) (1.0M) IPt(s) and a copper metal electrode ( concentrations) Cu2 (aq) +2e Cu(s) Fe (aq) le Fe (aq) +0.34 V -034 +0.77V Mark what is the corect balanced equation for the spontaneous reac u (aq) Fe (aq) Cu(s)+Fe2 (aq) C) Cu(s) + Fe (aq) Cu (aq) + Fe (aq) α Cu2+(aq) + 2e → Cu(s) + Fe2+(aq) Cu → Cu2ト+20 94 i) (...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) •...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
Using the information in the table: Which combination of metals, if used to create an electrochemical...
Using the information in the table:
Which combination of metals, if used to create an
electrochemical cell, would produce the largest voltage?
Liu lur the reaction between Zn and Cu2+ ions is 1.1030 V, we can use the known value for the half-cell potential for zinc to determine the half-cell potential for copper: Zn(s) → Zn2+(aq) + 2e + Cu2+(aq) + 2e → Cu(s) Zn(s) + Cu2+ (aq) → Zn2+ (aq) + Cu(s) E half-cell = 0.7628 V Eºhalf-cell =...
+ + + + + + + + + Metal Oxidation Reaction Lithium Li(s) - Li+...
+ + + + + + + + + Metal Oxidation Reaction Lithium Li(s) - Li+ (aq) Potassium K(s) K+ (aq) Barium Ba(s) Ba2+ (aq) Calcium Ca(s) Ca2+ (aq) Sodium Na(s) Na+ (aq) Magnesium Mg(s) Mg2+ (aq) Aluminum Al(s) A13+(aq) Manganese Mn(s) Mn2+ (aq) Zn(s) Zn2+ (aq) Chromium Cr(s) Cr3+ (aq) Iron Fe(s) Fe2+ (aq) Cobalt Co(s) Co2+ (aq) Nickel Ni(s) Ni2+ (aq) Tin Sn(s) Sn2+ (aq) Lead Pb(s) Hydrogen H2(8) Copper Cu(s) Cu2+ (aq) Silver Ag(s) Ag+ (aq) Mercury...
Consider a galvanic cell that uses the reaction Cu (s) + 2Fe+ (aq) Cu2+ (aq) +...
Consider a galvanic cell that uses the reaction Cu (s) + 2Fe+ (aq) Cu2+ (aq) + 2Fe+ (aq) Part A What is the potential of a cell at 25 C that has the following ion concentrations? Fel 1 - 1.5x10-4M. Cu2+1 -0.29 M. Fe2+1 -0.18 M Express your answer to two significant figures and include the appropriate units. HA ? Value Units Submit Resvest Answer A galvanie cel has an iron electrode in contact with 0.19 M FeSO, and a...
Using the table below: 19. Three combinations of metals are listed below, which combination would produce...
Using the table below:
19. Three combinations of metals are listed below, which
combination would produce the largest voltage if they were used to
construct an electrochemical cell?
Copper (Cu) with zinc (Zn)
Lead (Pb) with zinc (Zn)
Lead (Pb) with cadmium (Cd)
Liu lur the reaction between Zn and Cu2+ ions is 1.1030 V, we can use the known value for the half-cell potential for zinc to determine the half-cell potential for copper: Zn(s) → Zn2+(aq) + 2e +...
please do them all Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
need help for half cell potentials pls calculate step by step (NOTE - Remember that the...
need help for half cell potentials pls calculate step by step
(NOTE - Remember that the positive electrode is attached to the red wire and the negative electrode is attached to the black wire.) Electrode Systems Used Anode (oxidation) Negative Cathode (reduction) Positive Measured Potential (V) Positive (Ecu) Copper and silver Cu() - Cu2+ + 2e" Ag+ +1e Ag) 0.432 V Zinc + Silver Zn cs + 2n**+ Zé dat + leº nAg (s) 1.484 V Copper & Zinc Zn(s)...
need help with the rest of the table EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE...
need help with the rest of the table
EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE To determine the standard cell potential values of several electrochemical coll INTRODUCTION The basis for an electrochemical cell is an oxidation reduction Corredor be divided into two half reactions reaction. This reaction can Oxidation half reaction Gloss of electrons) takes place at the anode, which is the positive electrode that the anions migrate to Chence the name anode) Reduction half reaction (gain of electrons)...
Multiple choice: 3. (5 pts.) The oxidation of copper metal by iron (III) chloride used in the etching of circuit boards goes as follows: 2 Fe3+ (aq) + Cu (s) → 2 Fe2+ (aq) + Cu2+ (aq) The reduction potential for the Fe3+/Fe2+ and Cu2+/Cu pair are +0.772 V and -0.340 V, respectively. The concentrations are [Fe3+] = 1.24 M, [Fe2+] = .248 M, and [Cu2+] = .342 M. The electrical potential for this cell at 25.00C is: (a) +1.057...
question iii
10. An electrochemical cell consists of a standard Fe/Fe electrode (Fe (aq) (1.OM) IFe (aq) (1.0M) IPt(s) and a copper metal electrode ( concentrations) Cu2 (aq) +2e Cu(s) Fe (aq) le Fe (aq) +0.34 V -034 +0.77V Mark what is the corect balanced equation for the spontaneous reac u (aq) Fe (aq) Cu(s)+Fe2 (aq) C) Cu(s) + Fe (aq) Cu (aq) + Fe (aq) α Cu2+(aq) + 2e → Cu(s) + Fe2+(aq) Cu → Cu2ト+20 94 i) (...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
Using the information in the table:
Which combination of metals, if used to create an
electrochemical cell, would produce the largest voltage?
Liu lur the reaction between Zn and Cu2+ ions is 1.1030 V, we can use the known value for the half-cell potential for zinc to determine the half-cell potential for copper: Zn(s) → Zn2+(aq) + 2e + Cu2+(aq) + 2e → Cu(s) Zn(s) + Cu2+ (aq) → Zn2+ (aq) + Cu(s) E half-cell = 0.7628 V Eºhalf-cell =...
+ + + + + + + + + Metal Oxidation Reaction Lithium Li(s) - Li+ (aq) Potassium K(s) K+ (aq) Barium Ba(s) Ba2+ (aq) Calcium Ca(s) Ca2+ (aq) Sodium Na(s) Na+ (aq) Magnesium Mg(s) Mg2+ (aq) Aluminum Al(s) A13+(aq) Manganese Mn(s) Mn2+ (aq) Zn(s) Zn2+ (aq) Chromium Cr(s) Cr3+ (aq) Iron Fe(s) Fe2+ (aq) Cobalt Co(s) Co2+ (aq) Nickel Ni(s) Ni2+ (aq) Tin Sn(s) Sn2+ (aq) Lead Pb(s) Hydrogen H2(8) Copper Cu(s) Cu2+ (aq) Silver Ag(s) Ag+ (aq) Mercury...
Consider a galvanic cell that uses the reaction Cu (s) + 2Fe+ (aq) Cu2+ (aq) + 2Fe+ (aq) Part A What is the potential of a cell at 25 C that has the following ion concentrations? Fel 1 - 1.5x10-4M. Cu2+1 -0.29 M. Fe2+1 -0.18 M Express your answer to two significant figures and include the appropriate units. HA ? Value Units Submit Resvest Answer A galvanie cel has an iron electrode in contact with 0.19 M FeSO, and a...
Using the table below:
19. Three combinations of metals are listed below, which
combination would produce the largest voltage if they were used to
construct an electrochemical cell?
Copper (Cu) with zinc (Zn)
Lead (Pb) with zinc (Zn)
Lead (Pb) with cadmium (Cd)
Liu lur the reaction between Zn and Cu2+ ions is 1.1030 V, we can use the known value for the half-cell potential for zinc to determine the half-cell potential for copper: Zn(s) → Zn2+(aq) + 2e +...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
need help for half cell potentials pls calculate step by step
(NOTE - Remember that the positive electrode is attached to the red wire and the negative electrode is attached to the black wire.) Electrode Systems Used Anode (oxidation) Negative Cathode (reduction) Positive Measured Potential (V) Positive (Ecu) Copper and silver Cu() - Cu2+ + 2e" Ag+ +1e Ag) 0.432 V Zinc + Silver Zn cs + 2n**+ Zé dat + leº nAg (s) 1.484 V Copper & Zinc Zn(s)...
need help with the rest of the table
EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE To determine the standard cell potential values of several electrochemical coll INTRODUCTION The basis for an electrochemical cell is an oxidation reduction Corredor be divided into two half reactions reaction. This reaction can Oxidation half reaction Gloss of electrons) takes place at the anode, which is the positive electrode that the anions migrate to Chence the name anode) Reduction half reaction (gain of electrons)...
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