The oxidation of hydrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a AG° value of -474 kJ/mol. What is the standard cell potential for this fuel cell? 2H:(g) + O:(g) → 2H;O(1) AG =-474 kJ/mol 2.46 V d. 2.46 V a. b. 4.91 V 1.23 V e. 1.50 V c.

Q: A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic…

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Q: Zn + Ag+  Zn2+ + Ag a) Write the cell according to the accepted notation for a voltaic cell,…

A: SOLUTION: Step 1: Hello. Since the question contain multiple subparts, the first three are solved.…

Q: A voltaic cell utilizes the ff. reaction and operates at 298K: 4Fe2+(aq) + O2(g) + 4H+(aq) --- >…

A: 4Fe2+(aq) + O2(g) + 4H+(aq) --- > 2H2O(l) + 4Fe3+(aq) pH = 5.0 [Fe2+]=3.0M [Fe3+]=0.010M PO2=0.50…

Q: A voltaic cell is constructed with two Zn2+ - Zn electrodes. The two half-cells have 3Zn2+4 = 1.8 M…

A: The electrode in which anode and cathode both are form by same metal, tat cell is known as…

Q: A certain metal M forms a soluble sulfate salt M₂SO4. Suppose the left half cell of a galvanic cell…

A: M2SO4(aq) gives M+(aq) and SO42-(aq) ions. In the given Galvanic cell, the electrode is the same in…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2vo; (ag) +…

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Q: Refer to the following standard reduction half-cell potentials at 25 ∘C: An electrochemical cell is…

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Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(NO3)2 solution with a…

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Q: (a) One method to reduce the concentration of unwanted Fe3+(aq) in a                 solution of…

A: The half-reactions are oxidation or reduction reactions, which is useful in balancing redox…

Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(NO3)2 solution with a…

A: According to conversion of units, 1 hour is equal to 3600 s. The mass of mercury deposited by…

Q: 2. The following cell is set up: ano 2. The following cell is set up: Porous Barrier ly pH - 10.0…

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Q: 2. The following cell is set up: 2. The following cell is set up: Porous Barrier 0.01M Pb(NO32 pH -…

A: The reactions taking place at each electrode are as follows : Multiplying equation (1) by 2 to…

Q: Consider these two entries from a fictional table of standard reduction potentials.…

A: To calculate standard potential of a galvanic cell:

Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(N03)2 solution with a…

A: The quantity of charge passed is calculated as follows,                               Q=I×t Where,…

Q: Given the balanced electrochemical reaction below (M and N represent generic metals), what is the…

A: Welcome to bartleby !  Introduction :  We have to calculate E° cell

Q: Four voltaic cells are set u. In esch, one half-cell contaias a standaed hydrogen electrode (SIIE).…

A: SHE is a reference electrode that has a reduction potential of 0 V. The half-reaction for SHE…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: The expression of Nernst equation is shown below: Ecell = E0cell -0.0591nlog Q Where; Ecell= cell…

Q: In the 1.0 M CuSO4 solution, the following species are present: Cu2+, SO42-, H2O, H3O+, and OH-.…

A: The electrode which has less negative reduction potential will act as a cathode and will undergo…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: The standard Reduction potential of Zn2+, E◦red.= -0.76 V The standard Reduction potential of X2+,…

Q: Assuming it occurred in an acidic solution, what is the correctly balanced equation for H202 +…

A: (1) H2O2 + Sn2+--- H2O + Sn4+ Balanced in acidic medium ?   (2) ∆Go = 12 kJ/mol = 12000 J/mol n = 3…

Q: A voltaic cell is constructed in which the anode is a Mg|Mg2+ half cell and the cathode is a…

A: At anode the oxidation takes place means loss of electrons. At cathode the reduction takes place…

Q: Consider a galvanic cell built on the following half-reactions with their standard reduction…

A: The reactions are – Oxidation half cell-2Cr3+ + 7H2O ↔Cr2O7 +14H++ 6e-.....E∘red.=1.33 VReduction…

Q: Consider an electrolytic cell with a steady voltage of 4.2 V which produces Al(s) (atomic mass =…

A: Given reaction: 2Al2O3 (l) +3C (s) -----> 4Al (s) + 3CO2 (g) Let us break this reaction in terms…

Q: 3. For the reaction that occurs in the voltaic cell use following data E'Al*"/Al = -1.676 V, E Cu/Cu…

A: SOLUTION: Step 1: Hello. Since the question has multiple sub-parts, the first three are solved for…

Q: Given the balanced electrochemical reaction below (M and N represent generic metals), what is the…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: E˚ (Zn/Zn2+) = -0.76 V E˚ (X2+/X) = -0.37 V Thus Zn will be oxidized and X2+ will be reduced. Anode…

Q: For the following redox reaction: Cr2O72-(aq) + Ce3+ (aq)→ Ce4+ (aq) + Cr3+ (aq) a. Write the cell…

A: Since we only answer only upto 3 sub parts , we'll answer the first 3.Please resubmit the question…

Q: A voltaic cell utilizes the following reaction and operates at 25 "C. 2 Fe3 (aq) • H2(g) “ 5 2 Fe2…

A: These type of question is soved using nearns equation. Let us try to solve them.

Q: Consider a galvanic cell below and calculate the concentration of Au*3 solution. The measured cell…

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Q: (d) The basis of a battery or cell design can be explained by a galvanic cell shown Cu…

A: In the given question we have to tell all mechanism and cell reaction of given cell.

Q: galvanic cell is made using 0.25M ZnSO4 and an unknown amount of CuSO4. The cell potential is 105V…

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Q: Consider the following galvanic cell: Agls) | Ag"(3.0 x 104 M) || Fe3"(1.1 × 10³ M), Fe²"(0.040 M) |…

A: Here we are required to find the cell potential of the given galvanic cell

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

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Q: At 25C and pH 7, a solution containing compound A and its reduced form AH2 has standard electrode…

A: (i) The standard potentials are given for A and B which can be represented as;   A+2H++2e-→AH2…

Q: A voltaic cell is constructed with two Zn2+ - Zn electrodes. The two half-cells have 3Zn2+4 = 1.8 M…

A: Given, The voltaic cell, Zn2+ - Zn When the two half-cells have [Zn2+] = 1.8 M     and[Zn2+] = 1.00…

Q: A cell utilizes the following reaction and operates at 298 K: 2H+(aq) + Zn(s) → Zn2+(aq) + H2(g)…

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Q: A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic…

A: In the given Galvanic cell,  the electrode is the same in both the half-cells which is the metal, M.…

Q: A voltaic cell is constructed based on the following reaction: Sn* (aq) + Pb(s) Sn (s) + Pb?* (aq)…

A: Given reaction  Sn+2 (aq)  +  Pb(s)  →  Sn(s)  + Pb+2(aq) Cathode half reaction  Sn+2 (aq)  +  2e- →…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: Given,  The voltage of a battery made from zinc in a 0.1M solution of Zn2+ and a metal X in a 1 M…

Q: Calculate the standard cell potential, ?∘cell,Ecell∘, for the equation…

A: As per standard reduction table Fe2+(aq)  + 2e- → Fe(s)              E° = -0.45V F2 (g)+ 2e- → 2F-…

Q: a) Balance the following redox reaction in basic solution: H2O2(aq) + ClO2(aq) → ClO2-(aq) + O2(g)…

A: Given that : We have to balance the following redox reaction in a basic solution and sketch the…

Q: cell potential

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Q: Consider these two entries from a fictional table of standard reduction potentials.…

A: X3+ +3e- ⟶ X(s) , Eo =−1.63 V (anode) Y3+ +3e−⟶Y(s), Eo =−0.41 V (cathode)

Q: A voltaic cell is made by placing an iron electrode in a compartment in which the Fe2+ concentration…

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Q: Consider these two entries from a fictional table of standard reduction potentials. X3++3e−⟶X(s)…

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Q: Cr3+(aq) → Cr(s) Zn2+(aq) → Zn(s) a. What will be the overall balanced reaction if you want to…

A: The two half reactions are as follows: The oxidation half reaction is, Zn(s)------>Zn2+(aq) +2 e-…

Q: MnO4– + Sn ---> MnO2 + Sn2+ a) What is the half reaction that takes place at the cathode? b) What…

A: Recall the given reaction       Mn7+O4- + Sn0 → Mn4+O2 + Sn2+ Recall values of standard electrode…

Q: A voltaic cell utilizes the following reaction:2 Fe3+(aq) + H2(g)---->2 Fe2+(aq) + 2 H+(aq) (a)…

A: Standard electrode potential is the measure of electrode potential that is measured under standard…