Which of these is spontaneous? (Using E° cell)

Q: The standard potential of an electrochemical cell has been measured at several different…

A: Given: Temperature( 0C) Temperature(K) E (V) -10 263.15 0.261 0 273.15 0.269 40 313.15…

Q: Consider the short list of standard reduction potentials below. Which combination will produce a…

A: Here we are required to find the system which produces largest cell voltage

Q: Which one of the following is consistent with a galvanic cell? AG 0, Q K AG > 0, Ecell 0, Ecell…

A: The relationship between  and Ecell is:    ... (1)Here, n = the number of moles of electrons…

Q: Sn2+(aq) + 2e¯ – Sn(s) |-0.14 Zn2+(ag) + 2e- → Zn(s) |-0.76 Calculate the cell potential for the…

A: This can be solved using Nernst equation ,  Ecell = E0cell - (RT/nF) ln Q Q is reaction quotient  R…

Q: Which of the following descriptions is true for the cell below? Cu (s) | Cu²+ (o.1 M) || Fe3+ (o.5…

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Q: Consider a cell consisting of the following two ½ equations, Zn2+ / Zn E0 = - 0.76 Volts Fe2+ / Fe…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: below Ba2+ + 2e --- Ba(s) E° = - 2.91 v Mg2+ + 2e --- Mg(s) E° = -2.38 v Fe2+ ​​+ 2e --- Fe(s) E°…

A: Reduction occur at cathode and oxidation occur at anode. E°cell = E° reduction + E°Oxiation

Q: The standard reduction potential for Zn2+ is -0.76 V. Calculate the voltage of the following cell at…

A: The reaction at anode i.e oxidation, Zn(s)------------>Zn2+(aq)+2e-........................E0=…

Q: What is the cell potential for this reaction when (Zn2+) =3.0M and (Pb2+)= 2.0x10-4? Pb2+(aq)+Zn(s)…

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Q: Give the balanced cell equation and determine e° for the galvanic cells based on the following…

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Q: Mn³+ + e- → Mn²+ E = +0.32 v2+ + 2e → V E = -0.49 - (the answer should be entered with 3 DIGITS; and…

A: Ecell =Ecathode- Eanode Cathode is  Vanadium  anode is Manganese

Q: A galvanic cell is at equilibrium when Ecell is within the range ±(0.05916/n) of E° Ecell is…

A: The correct option has to be chosen.

Q: 4. Calculate the Electrochemical Potential (Eceti) of the following cell at 25 °C: Sn(s)|Snag) (7 x…

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Q: e7→ Sn E° = -0.14 v %3D e Cu E° = 0.34 v conditions, which species are prodi

A: In galvanic cell,  Oxidation takes place at anode and reduction takes place at cathode.  Reduction…

Q: What is the emf of a galvanic cell consisting of a Cd²+/Cd half-cell and a Pt/H™/H, half-cell at the…

A: Redox reaction are those in which both oxidation and reduction reaction take place simultaneously.

Q: of the following cell diagrams represents a galvanic cell? (ɛ° red(Cd E(s) | Cd2*(aq) || H*(aq)|…

A: 1) Given , Current (i) = 18.0 A Time(t) = 4.40 × 3600 = 15840 s Charge (Q) = it   = 15840 ×18 =…

Q: Consider the following reaction at 25 °C. (Ans.: 0.369 V) Cd*2 + 2e → Cd Zn* + 2e –→ Zn E° = -0.403…

A: Given:  E°(Cd+2|Cd) = -0.403 V And E°(Zn+2|Zn) = -0.763 V [Zn+2] = 0.05 M  [Cd+2] = 0.1M

Q: 7. What voltage will be produced by the electrochemical cell? Pb2+ + 2e¯ -> Pb AI3+ + 3e --> Al

A: Since, you have asked multiple questions, we will solve the first question for you.   Question-7 :…

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

A: Note:  Dear student since you have posted multiple questions, As per BARTLEBY QnA guidelines we are…

Q: A galvanic cell containing Mg-MgCl2 and Pb-PbCl2 can be performed in a single solution without a…

A: It is a type of electrochemical cell. It is used to supply electric current by making the transfer…

Q: The following reaction is non-spontaneous as written when the components are in their standard…

A: Given: Co(s) + Fe2+(aq) ----> Co2+(aq) + Fe(s) Eocell = - 0.16 V

Q: 5. The following galvanic cell has a potential (E) of 0.98 V at 298 K. Zn(s) | ZnX,2* (0.010 M), X…

A: Given the potential of the cell, E = 0.98 V  T = 298 K  Here Zn(s) is oxidized to ZnX42+(aq) at the…

Q: Salt bridge A concentration cell similar to the one shown is composed of two Pb electrodes and…

A: A concentration cell is a voltaic cell that uses the same half-cell chemistry. The balanced reaction…

Q: 8. Consider an electrochemical cell with upper electrode immersed in 1.0M Cu2+and silver electrode…

A: Cell potential of the cell at standard conditions i.e. 1.0 M concentration solutions is calcuated…

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

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Q: Given:              Fe2+   +   2e-   -->   Fe                Eº = -0.44V Fe3+   +   3e-   -->   Fe…

A: Fe + Cl2 ==> Fe2+ + 2 Cl-

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: :Using the following data.13 Fe3+ +3e- - Fe E° = -0.036 V Fe2+ +2e- → Fe E° = -0.447 V The standard…

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Q: Payalben

A: The objective of this question is to calculate the cell potential of an electrochemical cell at 25…

Q: What is the emf of a galvanic cell consisting of a Cd²+/Cd half-cell and a Pt/H/H₂ half-cell at the…

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Q: a.In one half-cell of a galvanic cell, a piece of platinum metal, Pt, dips into a solution…

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Q: It is requested: a) The direction of the current

A: Galvanic cells:  the devices in which chemical energy is converted into electrical energy Redox…

Q: Explain comprehensively: Mercury oxide dry cell batteries are often used in watches and cameras.…

A: The given cell is Mercury oxide cell, The half-reactions are, HgO (s)  + H2O (l)  + 2 e- →  Hg(l)  +…

Q: 4. Calculate at which Zn² concentration (x) the following electrochemical cell has an EMF of 0.9 V.…

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Q: What is the standard cell potential for the spontaneous reaction between these two half-cells?…

A: Complete cell consist of two electrode, in which one act as anode and other act as cathode. The…

Q: The standard emf for the cell using the overall cell reaction below is +0.48 V: Zn(s) + Ni2+ (aq) →…

A: Standard emf of cell = 0.48 VCell reaction :  and   [Ni2+] =0.100 M      and  [Zn2+] =1.50 MWe need…

Q: A galvanic cell is set up using the redox reaction below at 298 K. If the cell has a standard cell…

A: Since the value of ΔG0 is given by  ΔG0 = -nFE where E = standard cell potential = 0.31 F =…

Q: [References] If E°. cell 0.975 V for the following reaction: I2 (s) + Fe(s) → 2 I'(aq) + Fe2*(aq)…

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Q: 9. What is the emf of a cell consisting of a Pb2+/Pb half-cell and a Pt/H+/H2 half-cell if [Pb²+] =…

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Q: Consider the cell reaction: Determine the following a. Balanced oxidation half-reaction b. Balanced…

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: From the reaction shown below, calculate the Equilibrium Constant K associated with the overall…

A: Given -  Cr3+    +    3e-    ------->     Cr        Eo = -0.73 V  Al3+    +    3e-    ------->…

Q: Predict reaction and calculate Eº, cell = A voltaic cell is constructed from a standard Zn²+ | Zn…

A: In the context of electrochemistry, the construction of voltaic cells and the determination of…

Q: Consider the following reaction and their reduction potential values: Cu+ + Ni2+ —> Cu2+ + Ni…

A: Overall Cell potential  Spontaneity

Q: Calculate cell potential at standard temperature if the concentration of [Cr3+] is o.25 M and [Sn2+]…

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Q: Using the Nernst Equation, determine if the reaction in question 10 is spontaneous at 20 °C with…

A: For a reaction to be spontaneous, the value of cell potential (Ecell) should be negative. And the…

Q: 4. Calculate the standard potential energy for this cell: 2Na(s) + Fe2+(ag) ---> 2Na¹(ag) + Fe(s)

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Q: A Fe Fe²+ || Cd2|Cd galvanic cell is constructed in which the standard cell voltage is 3.70-102 V.…

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