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For the following half reactions and the partially complete image for an electrochemical cell: Indicate the...
this is the complete question (no more info) Determine the voltage (V) of the following cell at 25°C: Zn(s) | Zn2+(aq, 0.37 M) || Cl-laq, 0.75 M) C12(g, 0.750 atm)| Pt Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Hg2Cl2(s) + 2e --> 2Hg(l) + 2Cl(aq); E° = +0.27 V AgCl(s) + e --> Ag(s) + Cl (aq); E° = +0.22 V Ni2+(aq) + 2e --> Ni(s); E° =...
What is the balanced equation for the galvanic cell reaction expressed using shorthand notation below? Ni(s) 1 Ni2+(aq) Il Cl2(g) Caq) 1 C(s) A Ni(s) + Cl2() -- Ni2+ (aq) + 2CH(aq) B. Ni2+(aq) + 2 Cl(aq) - Ni(s) + Cl2(g) C. N:2+(aq) + 2 C1-(aq) - NiC12(s) D. Ni(s) + 2 C1-(aq) - Ni2+(aq) + C12()
Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e - →2Cl(aq) 1.360V Ni2+(aq) + 2e Ni(s) -0.250V Mg- (aq) + 2e → Mg(s) -2.370v (1) The weakest oxidizing agent is: enter formula (2) The strongest reducing agent is: (3) The strongest oxidizing agent is: (4) The weakest reducing agent is: (5) Will Cl(aq) reduce Mg2+(aq) to Mg(s)? (6) Which species can be reduced by Ni(s)? If none, leave box blank.
Question 2. [10 Marks] Given the following half-cell reduction potentials: Ni2+ (aq) + 2e-F Ni(s), Ered = -0.23 V Pt2+ (aq) + 2e-E Pt(s), Ered = +1.2 V Pd2+(aq) + 2e- EPd(s), Ered = 0.99 V a) Sketch the cell for which the overall cell potential is the greatest. [3 Marks) b) Identify the cathode and anode, and then show the direction of electron flow for the cell in the circuit (a). [3 Marks] c) Will Pt(s) reduce Pd2+(aq)? Explain...
help with these please Write the cell notation for an electrochemical cell consisting of an anode where Al () is oxidized to AP+ (aq) and a cathode where Pb2+ (aq) is reduced to Pb (s). Assume all aqueous solutions have a concentration of 1 mol/L. Write the cell notation for an electrochemical cell consisting of an anode where Sn (s) is oxidized to Sn2+ (aq) and a cathode where H(aq) is reduced to H2 (g) at a platinum electrode. Assume...
The reduction potential for the following non-standard half cell at 298K is volts. 24+ (1.83x10-3M) + 2e —>H2 (1.68atm) The reduction potential for the following non-standard half cell at 298K is volts. Al3+ (4.93x10-*M)+ 3e —AI (S) What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the F2 pressure is 6.44x10 atm, the F concentration is 1.41M, and the Ni2+ concentration is 1.28M? F2(g) + Ni(s)— 2F" (aq) +...
Refer to the following standard reduction half-cell potentials at 25∘C : VO2+(aq)+Ni2+(aq)2H+(aq)++2e−e−→ →Ni(s)VO2+(aq) +H2O(l)E∘=−0.23V E∘=0.99V Part A Part complete An electrochemical cell is based on these two half-reactions: Oxidation:Reduction:Ni(s)VO2+(aq,0.017M)+2H+(aq,1.3M)+e−→→Ni2+(aq,2.5M)+2e−VO2+(aq,2.5M)+H2O(l) Calculate the cell potential under these nonstandard concentrations.
given this electrochemical cell: Concentration of H+ is unknown, Pressure of H2 is constant at 1 atm. Initial cell voltage is 0.139V, with the Pt | H2 | H+ half-cell acting as the cathode. a) write out the oxidization and reduction half reactions, and the overall chemical reaction occurring, and find the initial pH in the H+ | H2 | Pt cell b) What is the equilibrium constant of the reaction happening in the cell? Tl(s) | Tl*(aq, 0.50 mol...
Calculate ∆G° (kJ/mol) for the following electrochemical cell: Cd(s) | Cd2+(aq) || Ni2+(aq)| Ni(s)
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss cell Write a balanced equation for the half-reaction that happens at the cathode Write a balanced equation for the half-reaction that happens at the anode Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...