Zinc is placed above in the electrochemical series (Spectrochemical series), hence it acts as an anode while silver being cathode. Zinc loses two electrons and reduces the silver by itself oxidizes.
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meter Zn Ag Consider the electrochemical cell shown above. When the red wire from the voltmeter...
3. (10 marks) Consider the electrochemical cell: voltmeter Pb wire It bridg Ag wire M Ag 1.8 M Pb2+ Ag,SO, (s) Using this data, calculate the Kap for Ag SO,(s). Note that to obtain ions in the right com- partment, excess silver sulphate solid was added and a small amount of it dissolved. Ag (aq) +e Ag(s)E0.80 V
Consider a galvanic electrochemical cell constructed using Cr/Cr³⁺ and Zn/Zn²⁺ at 25 °C. The following half-reactions are provided for each metal: Cr³⁺(aq) + 3 e⁻ → Cr(s) E°red = -0.744 V Zn²⁺(aq) + 2 e⁻ → Zn(s) E°red = -0.763 V which half reaction takes place at the anode which is the standar cell potential write the balance equation for the overall reaction in acidic sol What is the cell potential for this cell at 25 °C when [Zn²⁺] =...
Consider a galvanic electrochemical cell constructed using Cr/Cr3* and Zn/Zn2+ at 25 °C. The following half-reactions are provided for each metal: Cr3+ (aq) + 3 e → Cr(s) Eºred = -0.744 V Zna*(aq) + 2 e Zn(s) Eºred = -0.763 V What is the standard cell potential for this cell?
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. If connected as voltaic cells in series, which two metals are plated, and what is the total potential? Al(s) Ag(s) Zn(s) Ni(s) E degree = Number V If connected such that one cell acts as a battery to power the other as an electrolytic cell, which two metals are plated, and what is...
Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2and a silver electrode immersed in 1.0 M Agt. Zn2+ + 2e- → Zn E° = -0.76 V Agt + e- Ag E = 0.80 V Calculate Eº and AGº for this cell Calculate AGº for the reaction: 2 Zn (g) + O2 (g) + 2 H20 (1) ► 2 Zn2+ (aq) + 4 OH (aq) Reduction Half-Reaction E° (V) O2(g) + 2 H20 (1)+4 e-®4 OH(aq) +0.403...
help did i do this correct? a ws4 wws C PRE-L AX I Mycs aws4 Panapowe LUCY Name Electrochemical Cell Potentials and the Activity Series Report Form All data and calculations MUST be in your la notebook Part A. Electrochemical Cell Potentials Measured Potentials: 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) an)...
Questions Consider an electrochemical cell consisting of an Fe(s) electrode, Fe(NO3)2 electrolyte connected through a salt bridge to a Ag wire coated in AgCl(s) immersed in an aqueous KCl solution. Is the standard cell and balanced galvanic cell reaction (If needed, refer to Table 17-1.) 0.669 V, Fe(8) + Agci(9) - Fel*(0) + Ag(s) + Cl(aq) 0.669 V, Fe(s) + 2ACH() - Tel(aq) + 2A(8) + 2Cl(9) -0.669 V, Fe(s) + 2Ags) - Fed(0) + 3A(s) + 3Cl(aq) -0.225 V,...
Consider an electrochemical cell consisting of an Fe(s) electrode, Fe(NO3)2 electrolyte connected through a salt bridge to a Ag wire coated in AgCl(s) immersed in an aqueous KCl solution. Is the standard cell and balanced galvanic cell reaction: (If needed, refer to Table 17-1.) 0.669 V, Fe(s) + AgCl(s) → Fe2+(aq)+ Ag(s) + Cl-(aq) 0.669 V, Fe(s) + 2AgCl(s) → Fe2+(aq)+ 2Ag(s) + 2Cl-(aq) –0.225 V, Fe(s) + 2AgCl(s) → Fe2+(aq)+ 2Ag(s) + 2Cl-(aq) 0.259 V, Fe(s)+ 3AgCl(s) → Fe3+(aq)+...
Consider an electrochemical cell consisting of an Fe(s) electrode, Fe(NO3)2 electrolyte connected through a salt bridge to a Ag wire coated in AgCl(s) immersed in an aqueous KCl solution. Is the standard cell and balanced galvanic cell reaction: (If needed, refer to Table 17-1.) 0.669 V, Fe(s) + 2AgCl(s) → Fe2+(aq) + 2Ag(s) + 2Cl-(aq) –0.669 V, Fe(s) + 2AgCl(s) → Fe2+(aq) + 3Ag(s) + 3Cl-(aq) –0.225 V, Fe(s) + 2AgCl(s) → Fe2+(aq) + 2Ag(s) + 2Cl-(aq) 0.669 V, Fe(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)...