A Galvanic cell is constructed based on the following reaction and initial concentrations: Fe2+ (0.0050 M)...

A Galvanic cell is constructed based on the following reaction and initial concentrations: Fe2+ (0.0050 M) + Ag+ (2.0 M) ---> Fe3+ (0.0050 M) + Ag(s) Calculate [Fe2+] when the cell reaction reaches equilibrium.

Expert Solution

queen_honey_blossom answered 2 years ago

Consider a galvanic cell based in the reaction Fe2+ + Cr2O72- → Fe3+ + Cr3+ in...

Consider a galvanic cell based in the reaction Fe2+ + Cr2O72- → Fe3+ + Cr3+ in acidic solution. What is the coefficient of Fe3+in the balanced equation? Reference: Ref 18-2 Select one: a. 3 b. 4 c. none of these d. 6 e. 2

Consider the following galvanic cell with 0.10 M concentrations. The cathode beaker has Ag^+ and NO3^-...

Consider the following galvanic cell with 0.10 M concentrations. The cathode beaker has Ag^+ and NO3^- ions in it. THere is an Ag rod inside it. THe anode beaker has Cu^2+ and SO4^2- in it. There is a Cu bar inside it. K^+ and NO3^- are in the salt bridge. Does cell potential increase,decrease, or remain the same when each of the following changes is made? a) 0.10 M NaCl is added to the cathode compartment. b) 0.10 M NaCl...

A galvanic cell Fe(s)|Fe2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Fe electrode that weighs...

A galvanic cell Fe(s)|Fe2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Fe electrode that weighs 35.6 g and a Pbelectrode immersed in 510 mL of 1.00 M Pb2+(aq) solution. A steady current of 0.0672 A is drawn from the cell as the electrons move from the Fe electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? -------- s...

Calculate the cell potential for the galvanic cell in which the following reaction occurs at 25...

Calculate the cell potential for the galvanic cell in which the following reaction occurs at 25 °C, given that [Al3 ] = 0.00120 M and [Au3 ] = 0.787 M. Al (s) + Au^3+ (aq) <===> Al^3+ (aq) + Au (s)

A standard galvanic cell is constructed in which a Cd2+ | Cd half cell acts as...

A standard galvanic cell is constructed in which a Cd2+ | Cd half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) 1. The anode compartment could be F2|F-. 2. The anode reaction could be Cr -> Cr3+ + 3e- 3. Cd2+ is reduced at the cathode. 4. As the cell runs, anions will migrate from the Cd2+|Cd compartment to the other compartment. 5....

Consider an electrochemical cell based on the following overall reaction, Fe(s) + 2Ag+(aq)  Fe2+(aq) +...

Consider an electrochemical cell based on the following overall reaction, Fe(s) + 2Ag+(aq)  Fe2+(aq) + 2Ag(s) Fe2+(aq) + 2e– Fe(s), ℰ° = –0.44 V Ag+(aq) + e– Ag, ℰ° = 0.80 V Calculate the cell potential (in V) for this reaction at 25oC when the concentration of Ag+ ions is 0.050 M and the concentration of Fe2+ ions is 1.50 M. a. +1.32 V b. +1.50 V c. +1.20 V d. -1.32 V e. -1.20 V

For the following redox reaction in a galvanic cell, write the oxidation half-reaction and the reduction-half...

For the following redox reaction in a galvanic cell, write the oxidation half-reaction and the reduction-half reaction, and calculate the standard cell potential of the reaction. Use Table 1 in the Background as needed. Explain how you identified which half-reaction is the oxidizer and which is the reducer. Balance the equation. Show your work. (8pts) Al(s) + Ag+1(aq)à Ag(s) + Al+3(aq) Please type your answer out please

Consider the following cell reaction: Fe(s) + 2 H+(? M) Fe2+(1.00 M) + H2(g)(1.00 atm) If...

Consider the following cell reaction: Fe(s) + 2 H+(? M) Fe2+(1.00 M) + H2(g)(1.00 atm) If the cell potential at 298 K is 0.236 volts, what is the pH of the hydrogen electrode? A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is a hydrogen electrode ()= 1atm) immersed in a solution of unknown [H+]. If the cell potential is 0.202 V, what is the pH of the unknown solution at 298...

A. A standard galvanic cell is constructed with Cr3+|Cr and Ag+|Ag half cell compartments connected by...

A. A standard galvanic cell is constructed with Cr3+|Cr and Ag+|Ag half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) 1.As the cell runs, anions will migrate from the Cr3+|Cr compartment to the Ag+|Ag compartment. 2.The anode compartment is the Ag+|Ag compartment. 3.Ag is oxidized at the anode. 4.Cr is oxidized at the anode. 5.In the external circuit, electrons flow from...

Suppose you construct the following galvanic cell: Fe(s)|Fe2+(aq)||NAD+(aq)|NADH(aq) Fe2+ + 2e- → Fe Eo = -0.44V...

Suppose you construct the following galvanic cell: Fe(s)|Fe2+(aq)||NAD+(aq)|NADH(aq) Fe2+ + 2e- → Fe Eo = -0.44V NAD+ + 2e- + 2H+ → NADH + H+ Eo' = -0.320V (note the different standard states) A) Will the cell generate current at biochemical standard state? At chemical standard state? At T = 4 oC, pH = 7? At T = 97 oC, pH = 7? Justify your answers. B) How many protons can be moved across a membrane from pH 7.5 to...

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