A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is AgCl(s) + e-  → Ag(s) + Cl-(aq) E° = +0.222 V The concentrations of chloride ion in the two compartments are 0.0111 M and 1.88 M, respectively. The cell emf is ________ V.

Q: 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M N…

A: Given :  Concentration of Ni(NO3)2 = 0.50 M  Concentration of Pb(NO3)2 = 0.25 M  E°Ni+2/Ni = - 0.25…

Q: For the reaction 2 Au (s) + 3 Ca" (aq) → 2 Au" (aq) + Ca(s) a. Write the oxidation and reduction…

A: 2Au(s)+3Ca2+(aq)→2Au3+(aq)+Ca(s) Given, EoAu3+/Au=1.42VEoCa2+/Ca=-2.87V As the electrode potential…

Q: Why is a salt bridge necessary in galvanic cells like the one shown?

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Q: 6. i ii Consider the following half reactions: Write the balanced half-reaction for the oxidation…

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Q: (a) In which of the voltaic cells does the hydrogen electrode serve as the cathode? 2+ SHE & Sr (aq,…

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Q: Half-Reaction: Cu2+ +2e−→Cu(s) E°(V): 0.34 Half-Reaction: Zn2+ +2e−→Zn(s) E°(V): −0.76 (a) What is…

A: Given: Cu2+(aq) + 2e- ----> Cu(s)      E° = 0.34 V Zn2+(aq) + 2e- ----> Zn(s)      E° = -0.76…

Q: The overall cell reaction occurring in an alkaline battery is                                  Zn(s)…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: a You have a concentration cell with Cu electrodes and [Cu²+ = 1.00 M (right side) and 0.0013 M…

A: a.

Q: Calculate e values for the galvanic cells based on the following overall reactions. Assume that all…

A: E°cell = oxidation potential of anode + reduction potential of cathode.

Q: 1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode…

A: Electrochemical cell is a device that converts chemical energy to electrical energy. Voltaic cell is…

Q: Calculate Ecell for the following voltaic cell.     The reaction is spontaneous or not?…

A: Given data: Concentration of Al3+ = 0.26 M Concentration of Sn4+ = 0.086 M Concentration of Sn2+ =…

Q: What is the Ecell for the non-standard state, but 25 C, voltaic cell shown below? Zn(s) | Zn2*(0.015…

A: Given that:  E°Zn2+/Zn = -0.76V E°Fe3+/Fe2+ = 0.77V

Q: When a voltaic cell reaches equilibrium: a) E= 0 b) Ecell = 0 c) Ecell = K d) E = K

A: The relationship between the potential of an electrochemical cell and change in gibbs energy is…

Q: The Nernst equation is used to calculate the emf of a voltaic cell when the electrolyte…

A: NOTE : The Nernst equation given in the pic is incorrect. According to the Nernst equation at room…

Q: It is known that the ions Al3+, Sn2+, Sn4+ have concentrations of 0.1 M, 0.01 M, and 0.5 M,…

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Q: The overall cell reaction occurring in an alkaline battery is Zn(s) +MnO₂(s) +H₂O(l) →ZnO(s)…

A: (a) The given reaction is separated into two half reactions as follows,  Observing the above half…

Q: A voltaic cell consists of a Mn/Mn2+ electrode and a Fe/Fe2+ electrode . If [Mn2+] = 1.519 M and…

A: Voltaic cells are also known as the electrochemical cells. In the electrochemical cells, the…

Q: A voltaic cell utilizes the following reaction: 2Fe+(ag) + H2 (g)→2Fe2+(ag) +2H+(aq). Part A What is…

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Q: The following voltaic cell is built: Ag (s) | Ag + (sat Ag2Cr04) || Ag + (0.125 M) | Ag (s) a) What…

A: Given  The following voltaic cell is - Ag (s) Ag+ (sat Ag2CrO4) ∥ Ag+ (0.125 M) Ag (s) At cathode -…

Q: Calculate e values for the galvanic cells based on the following overall reactions. Assume that all…

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Q: Sketch the voltaic cell based on the following half-reactions. Mn 2+ + 2e- --> Mn E⁰ = -1.18 V Fe 3+…

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Q: he following voltaic cell is built: Ag (s) | Ag + (sat Ag2CrO4) || Ag + (0.125 M) | Ag (s) a) What…

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Q: Consider a voltaic cell whose overall reaction isPb2+(aq) + Zn(s)---->Pb(s) + Zn2+(aq). What is…

A: At 298 K, the emf (ECell) generated by the cell is calculated as shown below in equation (1) where…

Q: I 2. Calculate E° for the following voltaic cells: a) MnO2(s) + 4H*(aq) + 21(aq) → Mn²* b) 3S0,2…

A: We are given some voltaic cells, and we have to find their E° value.

Q: concentration of Ae^+2 when Dw^+2 the cathode has

A: The net cell reaction,  Ae + Dw2+ ------> Ae2+ + Dw E°cell = E°c - E°a    = 2.108 - 2.156 =…

Q: For each of the following combination of electrodes A and B and solutions, indicate A. The net cell…

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Q: Can someone help me explain why emf will decrease for part A & B of this question? I'm confused…

A: "Nernst equation" depicts the "standard potential" for any cell in given electrochemical reaction.…

Q: A voltaic cell is constructed with two Zn2/Zn electrodes where the half reaction is Zn*2 + 2e -> Zn…

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Q: 1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode…

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Q: AgBr(s) + e- - Ag + Br-, E° = +0.07 V Consider an electrochemical cell involving the overall…

A: E°Ni+2/Ni = -0.253 V  [Ni+2] = 0.8 M

Q: 1. What is the voltage produced by a voltaic cell consisting of a calcium electrode in contact with…

A: In the electrochemical cell, the chemical energy is converted into electrical energy. The anode at…

Q: A lead–acid automotive battery consists of voltaic cells in series. The cathode of each cell…

A: Half-cell with higher reduction potential will reduce and half-cell with lower potential will…

Q: Consider a voltaic cell constructed using the following two reductions: Ni+2 +2e- -->Ni…

A: The subtracted value obtained from two half-cells that are reduction-oxidation in given…

Q: At the beginning (to), [Ca²+] = 0.01M, [H*] = 1M, [Hfo²+] = 2M. Consider the half-reactions below:…

A: #(d):  In order to find Q value, we have to write the complete balanced equation.  Since HfO2+(aq)…

Q: Question attached

A: The cells in which chemical energy is converted into electrical energy are termed as voltaic cells.…

Q: Calculate e values for the galvanic cells based on the following overall reactions. Assume that all…

A: The given reactions are a. Cr3+(aq) + Cl2(g) ⇔ Cr2O72-(aq) + Cl-(aq); E0cell = V b. Pb2+(aq) + Ba(s)…

Q: The overall cell reaction occurring in an alkaline battery isZn(s) + MnO2(s) +H2O(l) → ZnO(s) +…

A: An alkaline battery is a type of primary battery. It derives its energy from the reaction between…

Q: In a test of a new reference electrode, a chemist constructs a voltaic cell consisting of a Zn/Zn?*…

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Q: 30. What is true when a battery (voltaic cell) is dead ? c. Ecell = 0 and Q = 0 a. O and Q = K Ecell…

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Q: A voltaic cell consists of Co I Co?²*(0.25 M) II Cu²*(0.35M) I Cu. The electrode potential at this…

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Q: A voltaic cell consists of a Pb/Pb?+ half-cell and a Cu/Cu2+ half-cell at 25 °C. The initial…

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Q: L. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M…

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Q: 4. Consider the voltaic cell: Pb(s) Cla(g) Salt bridge containing NANO;(aq) -1M Pb+ 1M C a.…

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Q: A voltaic cell is constructed with two Zn2+-Zn electrodes, where the half-reaction is Zn2+  + 2 e¯…

A: An electrochemical cell is a device that can generate electrical energy from the chemical reactions…

Q: 4) Calculate the expected voltmeter reading for the voltaic cell pictured in Figu given below:…

A: The voltmeter measures cell voltage . The reading in voltmeter is equal to the voltage of…

Q: KNO, salt bridge Mg Zn Cu Ag 1.0 M Mg 1.0 M Zn 1.0 M Cu 1.0 M Ag" Reset Info Set up a cell that has…

A: An electrochemical cell has the anode on left side and at anode oxidation takes place (loss of…

Q: Question attached

A: Calculation of Eo Eo=Eocathode-EoanodeEocathode=standrard reduction potential of…

Q: Calculate e° values for the galvanic cells based on the following overall reactions. Assume that all…

A: Given reactions are :  a. Cr3+ (aq) + Cl2 (g) <-----> Cr2O72- (aq) + Cl- (aq)  b. Cu2+ (aq) +…

Q: A voltaic cell is constructed from an Ni 2+1aq2 - Ni1s2 half-cell and an Ag+1aq2 - Ag1s2 half-cell.…

A: The concentration of Ni 2+1aq2 increase or decrease as the cell operates has to be given,

Q: A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is…

A: We have find the what is the emf of voltaic cell.