Write the equilibrium expression, Keq, for the following reaction: 5 Fe2+(aq) + MnO4 -1(aq)+ 8 H+(aq)↔ 5 Fe3+(aq) + Mn2+(aq) + 4 H2O(I)

Q: Balance the following redox reaction. Cr₂O72- (aq) + (aq) → 103 (aq) + Cr³+ (aq) (acidic conditions)

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Q: calculate the solubility product of AgCl when it is known that the electrode potential of silver in…

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Q: Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when…

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

Q: NOz(aq) + Al(s) NH3 (aq) + Al(0H)¾«aq) in basic solution

A: Given,  NO2-(aq) + Al(s) ------> NH3(aq) + Al(OH)4-(aq)

Q: What is the value of the equilibrium constant for the reaction between each pair at 25°C? (a) Ni(s)…

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Q: Calculate AG° and the equilibrium constant for the following reaction at 298 K: 2+ Zn*(aq) + Ni(s) →…

A: The solution is as follows :

Q: How long would it take to electroplate all the Zn^ 2+ in 0.280 L of .210 M ZnSO 4 solution with a…

A: The question is based on the concept of electrochemistry. It involves  application of first law of…

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

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Q: How long must a current of 20.0 amps be applied to a solution of CrCl3 to produce 175 g of Cr (s)…

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Q: what is the standard reduction potential of the formation of O2 from OH-

A: The standard reduction potential of to the formation of O2 from OH- can be calculate by coupling O2…

Q: For the following reactions, what is the equation for the equilibrium constant? (d)A (aq) ⇌2 B (aq)…

A: In any known reversible reaction, when both the reactions' rates such as forward and reverse become…

Q: 2. A sample of 25 mL prepared for an electrolysis experiment has a zinc concentration of…

A: Molarity = 2 ×10-8 M. Volume = 25 ×10-3 L. No of moles = M × V                       = 2 ×10-8 × 25…

Q: The standard reduction potential of a chromium electrode is -0.74 volts when chromium is reduced…

A: +1.59

Q: Which of the following is the most correct order of using a ptl meter to measure the pH of a…

A: The most correct order of using PH meter to determine the pH of a solution is given below

Q: (8) V. Calculate AG°and the equilibrium constant (K) for the reaction between Cd2+ and Al.

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Q: During the electrolysis of aqueous KCI solution using inert electrodes, gaseous hydrogen is evolved…

A: Electrolysis is defined as a process of decomposing ionic compounds into their elements by passing a…

Q: Brass, an alloy of copper and zinc, can be produced by simultaneously electroplating the two metals…

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Q: How long will an electrolytic cell containing a solution of cadmium(II) iodide need to run at a…

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Q: The iron-chromium redox battery makes use of the reaction. Fe* (aq) (aq) - Cr* (aq) + Fe2* Occurring…

A: Cell notation is defined as the shorthand representation of the reaction happening inside the cell.…

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: Given Ecell = 0.233V Ecell = - RTnFln [H+]0.233= - 8.314 x2981 x 96500ln [H+]- 9.075 = ln [H+] [H+]…

Q: When the following redox equation is balanced under acidic conditions with the smallest whole-number…

A: Cr3+(aq) +Cr(s) →Cr2+(aq)Reduction half reactionCr3+(aq) →Cr2+(aq)On LHS total positive charge =…

Q: What is the efficiency of an electrolytic cell that produces 20.0 g of elemental chromium from a…

A: Efficiency of an electrolytic cell means its current efficiency. The current efficiency is a ratio…

Q: What is the cell potential of a galvanic cell that has a reduction potential at the cathode of 0.85…

A: In the galvanic Cell ,  At cathode : oxidation Reaction occurs  & At anode : reduction Reaction…

Q: 4. a. Determine the AG of the reaction in #3. b. Calculate the equilibrium constant K for the…

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Q: If at 25°C the standard electrode potential of the Ag/Ag* electrode is 0.799 V, and the equilibrium…

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Q: a. MnO4 +SO2 SO,2 + Mn2+ (acidic)

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Q: Why is it that from nails and bolts to bridges, to roofing and framing components, countless items…

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Q: Consider the following galvanic cell reaction at 25 oC, 4 Cr2+(aq) + O2(g) + 4 H3O+(aq) → 4 Cr3+(aq)…

A: Nernst equation: The Nernst equation relates to the reduction potential of an electrochemical…

Q: Complete and balance this equation by the method of half-reactions:Cr2O7 2-1aq2 + Cl -1aq2 ¡…

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Q: Balance these equations for redox reactions occurring in ACIDIC MEDIUM. Identify the reducing agent…

A: The substance that oxidises another substance is called oxidizing agent  and the substance that…

Q: The reduction potential of 2Cr*3 (aq) + 6es → 2Crs) is twice the standard reduction potential given…

A: Standard reduction potential is an intensive property. It does not depend upon the the amount of…

Q: Calculate the equilibrium concentration of Ag*(aq) in a solution that is initially 0.140 M AgNO3 and…

A: The correct answer is given below

Q: H2O2 behaves as oxidising agent in which medium: a acidic b basic c neutral

A: A Redox reaction leads to oxidation and reduction processes simultaneously. Oxidation and reduction…

Q: 7) Write Electrochemical equations for the oxidation and reduction processes which occur during:  i.…

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

Q: Balance the following reactions in acidic and basic medium. Al(s) + O2(g) + [Al(OH)4] Cr2072 +…

A: balancing of chemical reactions

Q: Arrange the oxidizing agents in order of increasing strength. Cu, Zn, Nit, Fe2+, H+ (acidic) Fe2…

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Q: • Part A A lead-acid battery uses a redox reaction in which lead(0) and lead(IV) are both converted…

A: The reaction given is, => Given: Time passed = 5.00 hours = 5 × 60 × 60 = 18000 s…

Q: Predict the products and balance the following eqn. and identify the type of reaction HCl + AgNOae)…

A: Balanced chemical equation  AgNO3 (aq) + HCl (aq) → AgCl (s) + HNO3 (aq) The reaction type is…

Q: Complete and balance the following redox reaction in acidic solution 2 MnO4 (aq) + 10 S2O3² (aq) +…

A: In a balanced reaction the number of each atom is same in reactant side with that of the product…

Q: An electrolytic cell contains 50.0 mL of a 0.297M solution of Fe Cl3. A current of 0.643 A is passed…

A: First, calculate the Faradays represented by 0.643 A for 15.0min as follows: Faradays = 0.643C s ×…

Q: What are the effects of the following change in conditions .to the cell potential? increase in…

A: The solution is given below -

Q: Predict the products and balance the following eqn. and identify the type of reaction Mg + Br, Feco…

A: A question based on stoichiometry that is to be accomplished.

Q: Use the Potential-pH Diagram of Fe – H2O system to state the reactions the system undergoes and the…

A: Given : Use the potential-pH Diagram of Fe-H2O system to State the reactions the system undergoes…

Q: Consider the following redox reaction: CrO42-(aq) + Cu(s) → Cr(OH)3(s) + Cu(OH)2(s)     (basic)…

A: Consider the following redox reaction:CrO42-(aq) + Cu(s) → Cr(OH)3(s) + Cu(OH)2(s)     (basic)What…

Q: The value of the equilibrium constant for the reaction of nickel(II) ions with cadmium metal is 1.17…

A: Before solving this question we must knowthe folowing concept.suppose an equilibrium reaction :-A(g)…

Q: Which of the following compounds is the greatest oxidizing agent using the standard reduction…

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Q: Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when…

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Q: Balance the following reactions. Calculate the cell potential and the Gibbs free energy of these…

A: For a.) Adding these 2 eqn we get,

Q: Calculate the concentration of the Zn2+(aq) ion at the cathode.

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