The value of E° at 25 °C for the following reaction is 0.59 V. Calculate the equilibrium constant at 25 °C. N2H5+(aq) + 4 Fe(CN)63-(aq) ⇄ N2(g) + 5 H+(aq) + 4 Fe(CN)64-(aq) 7.3 x 1028 7.3 x 1039 1.5 x 1040 8.5 x 1019 1.7 x 1020

Q: Consider the following reaction at 298K.  2H+ (aq) + Hg (1) --> H2 (g) + Hg2+ (aq)   Which of the…

A: Given the following reaction: 2H+aq+Hgl→H2g +Hg2+aq Standard reduction potential from literature:…

Q: 3. In each of the following cells write the cell reaction, and designate which reac- tions are…

A: Spontaneity  explains  on the basis  of the sign of Gibbs free energy  change which  depends  upon…

Q: Consider the following reaction at 298K. Cu?* (aq) + 2 Fe2* (aq) →Cu (s) + 2 Fe* (aq) Which of the…

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Q: Cadmium sulfide, CdS, is used in some semiconductor applications. Given the following reduction…

A: The value of Ksp for CDS at 250 C is to be calculated

Q: The following half-reaction AlF63-(aq) + 3e- -->Al(s) + 6F-(aq)         °E = -2,07 V. Calculate…

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Q: a Consider the reaction: Fe(s) + Ni?+ (aq)2 Fe²+ (aq) + Ni(s) 2+ (aq, 1.0 M) + 2 e → Ni(s) E° =-0.25…

A: In a cell oxidation takes place at anode and reduction takes place at cathode. Here we are given the…

Q: 2. Determine if each of the following redox reactions is spontaneous or not. a. Cu + 2Ag+ ⟶ Cu2+ +…

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Q: solution of metal ions increases in direct proportion to which property? I. Electrolysis time II.…

A: According to Faraday's law of electrolysis,  Mass deposited at electrodes is directly proportional…

Q: Consider the following reaction at 298K. Fe2+ (aq) + Cu (s) Fe (s) + Cu2+ (aq) Which of the…

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Q: Calculate AG and K at 25°C for the reactions. 7H2O+2 Cr43 Cl2 Cr20,2- +6 Cl +14H+ e = 0.03 V a. cell…

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Q: What is the standard free energy change and the equilibrium constant for the following reaction at…

A: Since the half cell reactions taking place are  At Anode (Oxidation) => Sn -----> Sn2+ + 2 e-…

Q: Using standard molar for aynamic values, Is tHIS spontaneous at 1000.°C? 3. Balance the following…

A: We need to balance the reactions using half cell reaction method. In this method the given redox…

Q: Ni (s) + 2 Ag+ (aq) → Ni2+ (aq) + 2 Ag (s) What is the equilibrium constant Keq for this reaction at…

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Q: Calculate E cel| and indicate whether the overall reaction shown is spontaneous or nonspontaneous.…

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Q: 18.39 Consider the following galvanic cells: 1. Cu(s)|Cu²*(1 M) || Fe³*(1 M), Fe²*(1 M)|Pt(s)

A: The balanced chemical reaction is the one that contains equal number of atoms on both sides of the…

Q: Calculate the standard free-energy change for the reaction at 25 °C. Refer to the list of standard…

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Q: Predict whether the reaction is spontaneous at 298 K. Cu+2(aq)+Sn(s)→Cu(s)+Sn+2(aq) Cu+2(aq) =…

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Q: Are the following redox reactions spontaneous under standard conditions?(a) Zn(s) +…

A: Spotaneous reactions refer to the fact that they undergo the reaction naturally without the aid of…

Q: For the following reaction, all of the reactants and products are in their standard stat es/standard…

A: Given: E°cell = +0.60 V

Q: What is E for the reaction in the previous problem when the concentration of H+, H2, and Zn+2 are…

A: E°cell = E°cathode - E°anode E°cathode = standard reduction potential of cathode electrode E°anode =…

Q: How many moles of electrons are transferred in the balanced overall reaction represented by the cell…

A: To solve this problem we have to write the oxidation half reaction and Reduction half reaction…

Q: constant

A: The first step is to calculate the standard potential for the overall reaction. It can be done by…

Q: A disproportionation reaction involves a substance that acts as both an oxidizing and reducing…

A: The disproportionation reaction is – The reaction taking place at the cathode – The reaction…

Q: Balance each reaction, calculate the net E°, and declare each reaction as being spontaneous or non-…

A: The reactions given are, a) Sn2+ (aq) + Cr (s) → Cr2+ (aq) + Sn (s)  b) Ag+ (aq) + Mn (s) → Ag (s) +…

Q: 8. The standard electrode potentials are: 9 (Sn"/Sn) =-0.137 5 V, q°(Fe*/Fe") = 0.771 V, g°…

A: Correct answers are (1), (2) , (4) and (5). Cell potential should be positive for spontaneous cell…

Q: 35 What is the equilibrium constant for the spontaneous reaction between chromium and cobalt? a.…

A: The relationship between Gibbs free energy change and standard electrode potential Eocellof the cell…

Q: Calculate the standard free-energy change for the reaction at 25 ∘C.. Refer to the list of standard…

A: Standard reduction potential:  E°Au+3/Au = 1.52 V  E°Zn+2/Zn = 0.76 V  Determine E° of the above…

Q: What is the equilibrium constant (K) at 25°C for the following cell reaction? Co(s) +Ni2+→Ni(s)+…

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Q: From a consideration of the following two half reactions at 298 K. Pb2+(aq) + 2e- → Pb(s) -0.126 V…

A: Third option. C. 7.2*1010

Q: (16) Consider the following redox reaction that occurs in an electrochemical cell: Fe²+ (aq) + Al(s)…

A: 16) Given, Fe2+(aq) + Al(s) ➝  Fe(s) + Al3+(aq) Standard gibbs free energy (∆G°) = ? Standard…

Q: Consider the reaction at 25°C MnO2(s) + 4H(aq) + 2Br(aq)→ Mn2(aq)+Br2(l)+2H2O(l) At what pH is the…

A: Given: MnO2 (s) + 4H+ (aq) + 2Br- (aq)→ Mn2+ (aq) +Br2 (l) + 2H2O(l) At first, we need to calculate…

Q: A solution containing an unknown cation reacts spontaneously with both zinc (ɛ°ox = +0.76 V) and…

A: For a spontaneous reaction the emf of the  cell is positive.

Q: Which of the following is the cell diagram for the reaction 3 Pb²*+(aq) + 2 AlI(s) → 3 Pb(s) + 2 As*…

A: Redox reaction:Redox reaction is a type of chemical reaction in which the oxidation states of atoms…

Q: An equilibrium constant at 298 K is given. Calculate AG° for the following reaction. Br2(1) + H2(g)…

A: We know that  ∆G =∆G° + RT ln k But ∆G =0 at equilibrium. So ∆G° = -RT ln k

Q: Calculate the equilibrium constant Kc for the reaction at 25º celcius using the Nernst equation.…

A: Given : Fe2+(aq) + Ag+(aq) → Fe3+(aq) + Ag(s) E0 = 0.030 V

Q: Consider the following reaction at 298 K. Pb?+ (aq) + H2 (g) → Pb(s) + 2H* (aq) Which of the…

A: Recall the given equation      Pb2+aq + H2g → Pbs + 2H+aqWrite cell notation…

Q: Consider the following reaction at 298K. Co2+ (aq) + 2 Cu* (aq) → Co (s) + 2 Cu²+ (aq) Which of the…

A: The half-cell reactions are as follows:

Q: What is the standard cell potential for the following cell? Will the reaction be spontaneous? 3Ag…

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Q: Calculate E° for each of the following reactions, and tell which are spontaneous under…

A: Given Reaction; a) 2Fe2+(aq) + Pb2+(aq) →2Fe3+(aq) + Pb(s)       oxidation (anode) : Fe2+ →Fe3+ + e-…

Q: Consider the following reaction at 298K. Cd2+ (aq) + 2 Fe2+ (aq) Cd (s) + 2 Fe3+ (aq) Which of the…

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Q: The following question refers to the following system:   3Ag(s) + NO3–(aq) + 4H+(aq) → 3Ag+(aq) +…

A: Given: Anode reaction: Ag → Ag+(aq) + 1e–        E° = –0.7990 V Cathode reaction:  NO3–(aq) +…

Q: What is the value of the equilibrium constant, K for  the redox reaction below if the standard…

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Q: The equilibrium constant of the reaction shown below is 2.41x10^8 at 25 degrees Celsius: 3Ag(s) +…

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Q: calculate equilibrium constants for the following reactions. Assume 298.15 K if no temperature is…

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Q: or the following redox reaction calculate the Ecell and K at 298 K. 2Na+(aq) + Ca(s)→2Na(s) +…

A: The redox reactions involve simultaneous oxidation and reduction reactions. The electron transfer…

Q: What is the standard cell potential for the reaction given? 2Ag (s) + Pb²⁺(aq) ⟶ 2Ag⁺(aq) + Pb(s) A.…

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Q: Which of these is NOT a component of a three-electrode cell? constant electrode O working electrode…

A: In the given question, we need to tell about the components of a three electrode cell. So among the…

Q: If 1.0 Amp of current is used to reduce the following metal ions to metal for a period of 25…

A: Interpretation - To tell about which one is produce largest mass of metal when 1.0 Amp of current is…

Q: Consider the following reaction at 298K. I2 (s) + 2 Cr2+ (aq) - 2 I (aq) + 2 Cr3+ (aq) Which of the…

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Q: 14. Give the equilibrium constant for the following reaction at 298 K. Cu2- Sn2- Cu (s) Sn+

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