Calculate Eºcell for the following reaction and predict its spontaneity: I2(s) + 2Br (aq) → 21^(aq) + Br2(1) I2(s) + 2e¯ → 21(aq) E° = 0.53 V Br2() + 2e¯ → 2B1¯(aq) E° = 1.07 V O -0.54 V, non-spontaneous O 1.60 V, spontaneous O -1.60 V, spontaneous O 0.54 V, spontaneous

Q: For lithium-ion battery reaction: Li-C6 + CoO2  LiCoO2 + C6, Eº = ~4 V, what would be the change of…

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Q: Predict whether the following reactions are spontaneous. Pd(aq)** + H2 (g) Pd(s)+ 2H(aq)* 12+…

A: GivenPd2+(aq)  + H2(g)  → Pd(s) + 2H+(aq)Pd2+(aq)  + 2 e- → Pd(s)  E° = 0.987 VSn4+(aq)  + H2(g)  →…

Q: Calculate the standard emf for the following reaction at 298 K. Cd(s) + 2 Co3+(aq) - Cd2+(aq) + 2…

A: From the value of standard reduction potential we can identify which species will oxidise and which…

Q: By how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

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Q: Consider the following reaction at 298 K. I2(s) + H2(g) 2 I(aq) + 2 H*(aq) Which of the following…

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Q: Given: Ag+(aq) + e- → Ag(s) E° = +0.799 V AgI(s) + e- → Ag(s) + I-(aq) E° = -0.152 V Ni2+(aq) + 2…

A: option D is correct

Q: For the electrochemical cell: M| M* || X- | X, E° [M* | M] = +0.44 V and E° [X | X] = +0.33 V. A M*…

A: To check the spontaneity of electrochemical reaction, we have to determine the value of E°cell.…

Q: Consider the following reaction at 298K. Cd2+ (aq) + Ni (s) → Cd (s) + Ni2+ (aq) Which of the…

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Q: Determine the equilibrium constant (Kc) at 25°C for the reaction: 2Fe3+(aq) + Cd(s) ⇌ 2Fe2+(aq) +…

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Q: 11. An aqueous solution of aluminium chloride can be prepared by the redox reaction between…

A: (a) Aluminium is getting oxidized. (b)  2 mol of Aluminum gives = 3 mol of H2  0.0800 mol of…

Q: E Fe Pt/Fe³+ (0.1600 M), Fe2+(0.0700 M) // Hg2+ (0.0350 M)/Hg EHg2+ = +0.854 V O +0.020 V…

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Q: 3. Will the following reaction occur spontaneously at 298K if [Fe 2*] = 0.60M and [Cd 2*] = 0.010M?…

A: Given reaction is :  Cd (s) + Fe2+ (aq) <-----------> Cd2+ (aq) + Fe (s)  [Fe2+] = 0.60 M…

Q: From the thermodynamic data, ΔSsys for the given fuel cell reaction is negative but the reaction is…

A: The reason the negative entropy of the system can be justified as spontaneous has to be explained.…

Q: Compute the standard entropy change for the following reaction: Ag(s) + 1/2CI2(g) → AgCI(s) i J/K

A: The value of standard entropy of Ag(s), Cl2(g), and AgCl(s) is 42.5 J/K, 223.0 J/K, and 96.2 J/K,…

Q: Under standard conditions, the electromotive force of the cell, Zn(s) | ZnCl₂(aq) | Cl₂(g) | Pt is…

A: Solutions  Hence the standard entropy of the formation - 1.384 kj/mol

Q: If E° for X + e– → Y is larger than E° for A + 2e– → B, then in a spontaneous process under…

A: The substance which has tendency to oxidize others and reduce itself is known as oxidizing agent.…

Q: how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

A: Given , valence factro(v) = 2 T = 298 K Q is decreased by 10 Using Nernst's equation,  E1 = E° -…

Q: 3. Consider the reaction at 25°C 2NO3 (aq) + 8H*(aq) + 3Cu(s) → 3Cu²*(aq) + 2NO(g) + 4H20(I) (a) is…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: . For hydrogen-oxygen fuel cell of reaction 02 + 2H, + 2H,0 at a temperature of 1200 K. drtrrming…

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Q: Which combination of r Ho and r S o always yields a spontaneous reaction under standard…

A: The relationship between ΔGr , ΔHr and ΔSr is given by  ΔGr = ΔHr - TΔSr  where ΔSr = entropy change…

Q: Compute the equilibrium constant for the spontaneous reaction between Cd2+(aq)Cd2+(aq) and…

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Q: 0.0592 V E cell -log(K) Calculate the equilibrium constant for the following reaction at 25°C:…

A: E°cell = (0.0592 V / n ) × log(K) 2Ag(s) + Fe2+(aq) <---> 2Ag+(aq) + Fe(s)  K = ?

Q: Which of the following 3+ Zn +2 Fe³+ (a a. Zn(s) b. Cu + (aq) + 2 H (aq) → reactions is spontaneous…

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Q: Consider the reaction at 25∘C 2NO3 − (aq) + 8H+ (aq) + 3Cu(s) → 3Cu2+ (aq) + 2NO(g) + 4H2O(l) (a) is…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Consider the corrosion of copper at 25 C using the overall reaction Cu(s) + 0.5 O2(g) + 2 H3O+(aq) →…

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

A: The half cell reactions are: Anode: Cu+(aq) →Cu2+(aq) + e-                            E° = 0.16…

Q: 12. At standard conditions (1M, 1 atm), the following reaction is spontaneous at 25 °C. o He add ef…

A: The Nernst  equation is given as :

Q: The following reaction has an Eo value of -0.76 V: H2(g) + Zn2+(aq)----->Zn(s) + 2H+(aq) a.…

A: It is given that the E°cell is -0.76 V for the reaction shown below, H2(g) + Zn2+(aq)→Zn(s) +…

Q: Given the following reactions, find the standard cell potential. Anode: NO3- + 2H+ + e- --> NO2 +…

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Q: Predict whether the reaction is spontaneous at 298 K. A. Zn(s)+Ni+2(aq)→Zn+2(aq)+Ni(s) Ni+2…

A: We have given the cell reaction as follow   Zn(s)  +  Ni+2(aq)     →     Zn+2(aq)  +   Ni(s) And…

Q: For the reaction: 2 Al(s) + 3 Pb2 (aq) 2 Al3*(aq) + 3 Pb(s) answer both questions. Pb2*(aq) + 2 e-…

A: in electrochemical cell reaction,  if standard cell  potential is positive then reaction is said to…

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: half-reaction potentials to predict whether the following reactions are spontaneous or…

A: According to half reduction potential,  element which have higher oxidation potential is oxidized…

Q: Calculate the standard emf for the following reaction at 298 K. Cd(s) + 2 Co3+(aq) -- Cd2+(aq) + 2…

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Q: Fe (s) → Fe2+*(aq) + 2e¯, then Fe2*(aq) → Fe3*(aq) + e¯ (at anode) O2 (g) + 4H*(aq) + 4e → 2H2O(1)…

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Q: Consider the corrosion of copper at 30°C using the overall reaction: Cu(s) + 0.5 O2(g) + 2 H3O+(aq)…

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Q: 6.1 Is the transport of Na* ions across a cell membrane spontaneous when [Na"]in/[Na*]out = 0.10 and…

A: [Na]in /[Na]out=0.10 An ionic imbalance is present here.

Q: Predict whether the following reaction will be spontaneous 3Fe2+ Fe(s) 2Fe3+ (aq) EºFe2+/Fe = -0.44…

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Q: Q3 (A) The reduction of iron III oxide by carbon is not spontaneous at 298K, but becomes spontaneous…

A: Given reaction is : 2Fe2O3 (s) + 3C (s) ------> 4Fe (s) + 3CO2 (g)  Table is :  (a). Use the…

Q: Which of the following reactions is spontaneous under normal and standard conditions?    AgNO3(aq)…

A: The reactions given are, 1) AgNO3(aq)  +  NaCl(aq)  →  AgCl(s)  +  NaNO3(aq) 2) CaBr2(aq)  +  2…

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: Cassandra builds a galvanic cell using a zinc electrode immersed in an aqueous Zn(NO3)2 solution and…

A: Given,  zinc electrode immersed in an aqueous Zn(NO3)2 solution and an copper electrode immersed in…

Q: at what pH does the reaction become spontaneous?

A: For spontaneous reaction, Gibb's free energy change (∆G) should be <0  Again, ∆G=-RTlnK…

Q: Saquon builds a galvanic cell using a zinc electrode immersed in an aqueous Zn(NO3)2 solution and a…

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Q: Calculate E for the following unbalanced reactions. Indicate if the reactions are spontaneous as…

A: a) The reaction given is  Al3+ (aq) + Mg (s) → Al (s) + Mg2+ (aq) In the above reaction, Al3+ is…

Q: Calculate the maximum obtainable work (AG) in kJ at 25°C from the reaction: 2 NO3 (aq) + 8 H*(aq) +…

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Q: The equilibrium constant for the reaction below is 7.2 × 10 24 at 298 K and 1 atm. HNO2(aq) + H2O(1)…

A: Gibb's free energy is given by, ∆G=-RTln Keq where R is the gas constant, T is the temperature and…

Q: Will the following reaction be spontaneous under standard conditions? Zn(s) + 2H*(aq) → Zn+2(aq) +…

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Q: Consider the following reaction at 298K. 2 Ag+ (aq) + Ni (s)  2 Ag (s) + Ni2+ (aq) Which of the…

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