Balance the following redox reaction MnO4-(aq)+ H2S(aq)-> Mn^2(aq)+SO42-(aq)

Q: Mg(s) + Cu²"(aq) – Mg²*(aq) + Cu(s) and NANO, is the salt used in the salt bridge. During the course…

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Q: Calculate the cell potential and determine if this is a spontaneous reaction as written.  MnO4-…

A: The balanced reaction given is, => MnO4- (aq) + 8 H+ (aq) + 5 Co2+ (aq) → Mn2+ (aq) + 4 H2O (l) +…

Q: A constant current is passed through an electrolytic cell containing molten MgCl2 for 12 hours. If…

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Q: 4. Determining electrolytic activity in a dilute solution. Electrolysis of dilute aqueous NaCl…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How many grams of silver can be plated onto an object in 9.87 minutes at 4.74 A of current ?…

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Q: A voltaic cell is constructed in which the following cell reaction occurs. The half-cell…

A: For a voltaic cell, reduction takes place at the cathode and oxidation takes place at the anode.

Q: Mercury (II) oxide is a battery used in watches. As electric current flows, it is being reduced to…

A: The mass of liquid mercury produced every half-hour is calculated as shown below. Q=I×t×60 s/1…

Q: Balance the following redox in acidic media C2O42- (aq) + MnO4- (aq) → CO2(aq) + Mn2+ (aq)

A: The answer to the given question is as follows.... First we equate the number of respective atoms on…

Q: What mass of zinc (in grams) is deposited at the cathode when a current of 9.8 amperes passes…

A: According to the electrochemistry Mass of substance deposited,  W = ZCt Where,   t = time in second…

Q: . Which phase changes result in ΔS < 0? 2. Which selection of coefficients properly balances the…

A: As per our guidelines , we can solve only first three questions. Please resubmit other questions as…

Q: Calculate the cell potential for a Galvanic cell based on the reaction described by the following…

A: Electrochemical cell is type of cell in which electrical energy is converted to chemical energy.

Q: Q4:-Put a mark of true or false in front of the following statements and correct the error, if any:-…

A: In an electrochemical cell, both oxidation and reduction reactions takes place. During a redox…

Q: Initial mass of copper electrode (g) 1.201g Final mass of copper electrode (g) 1.163g Initial…

A: Initial mass of copper electrode (g) 1.201g Final mass of copper electrode (g) 1.163g Initial mass…

Q: What mass of gold can be plated onto an object in 9.18 minutes at 4.91 A of current ? Au^3^+…

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Q: The standard reduction potential of Eu2+(aq) is -0.43 V.Using Appendix E, which of the following…

A: Concept introduction: Reduction potential indicates the ability of a substance to gain electron and…

Q: The cell potential of the following electrochemical cell depends on the pH of the solution in the…

A: The question is based on the concept of redox reactions reactions.   Reactions in which simultaneous…

Q: Following is the shorthand notation for a Galvanic Cell:Fe(s)|Fe3+(1M)||Cu+(1M)|Cu(s)Identify the…

A: A shorthand way of expressing the reaction that takes place in an electrochemical cell is said to be…

Q: One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury(II)…

A: The current flowing is 2.3×10-5 amperes As 1 ampere = 1 coulomb per second Thus, 2.3×10-5 amperes =…

Q: For a given equation: 2H2O(l) + Cr3+(aq) Mn2+(aq) → MnO2(s) + 4 H+(aq) + Cr (s) the reaction…

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Q: The amount of lactic acid, HC3H;O3, produced in a sample of muscle tissue was analyzed by its…

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Q: During an electrolysis process a current of 3.20 amperes was used for a period of 2 hours and 49…

A: The charge deposited is given by, Q=It where I is the current and t is the time.

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: Given data,Current=29.0ATime=69.0sReaction at cathode;Pb2++2e-→Pb(s)

Q: Initial mass of copper electrode (g) 1.201g Final mass of copper electrode (g) 1.163g Initial…

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

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Q: During the discharge of the following cell: Fe (s) | Fe2+ (aq) || Sn4+ (aq), Sn2+ (aq) | (Pt) Group…

A: Electrochemical cell

Q: A voltaic cell consists of Co I Co2+(0.25 M) II Cu2+(0.35M) I Cu. The electrode potential at this…

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Q: One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury(II)…

A: The reaction of mercuric oxide cell. Given data: Current: 2.3 x 10-5A. Time = 1200Days. Q is the…

Q: Initial mass of copper electrode (g) 1.201g Final mass of copper electrode (g) 1.163g Initial…

A: Given information: Initial mass of copper electrode (g) = 1.201g Final mass of copper electrode (g)…

Q: An aqueous copper (II) chloride solution is electrolyzed for a period of 156 minutes. Using a…

A: We have given that  An aqueous copper (II) chloride solution is electrolyzed for a period of 156…

Q: Q4:-Put a mark of true or false in front of the following statements and correct the error, if any:-…

A: In an electrochemical cell, both oxidation and reduction reactions takes place. During a redox…

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

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Q: A current of 0.4 Amps flows for 2 hours through an electrolytic cell containing copper sulphate…

A: This problem can be solved by using Faraday's first law of electrolysis accordingto which weight of…

Q: What is the mass-action expression, Qc, for the following chemical reaction? 4H30*(aq) + 2CI"(aq) +…

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Q: Balance the redox reaction in acidic media for the oxidation of oxalate to determine the mole to…

A: Given reaction: C2O42- (aq) + MnO4- (aq) → CO2 (aq) + Mn2+ (aq) We have to balance this reaction in…

Q: 1. Copy and Answer-Hand written on a yellow pad or bond paper. Balance the redox reaction, determine…

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

Q: .The standard cell potential (Eecell) for the voltaic cell based on the reaction below is V 3Sn4+…

A: The driving force of the electron flow from anode to cathode shows a potential drop in the energy of…

Q: A constant current is passed through an electrolytic cell containing molten MgCl2 for 18 h. If 4.33…

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Q: A current of 200 A flows for 22.0 hours at an anode where the reaction occurring is Mn2*(aq) +…

A: Interpretation- To determine the mass(in Kg) of MnO2  is deposited on this anode when a current of…

Q: A lead storage battery delivers a current of 6 A for one hour and 22 minutes at a voltage of 12 V.…

A: (a)

Q: Balance the redox reaction equation (occurring in acidic solution) and choose the correct…

A: Introduction In order to do the balancing of any particular reaction, first thing we need to do is…

Q: 9. For the galvanic cell the standard potential is as follow: Cr3+ + 3e --> Cr(s) Зе Br2 (aq) + 2e¯…

A: According to Q&amp;A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: Cell 1 Cell 2 Two identical spoons were electroplated with Ag or Cd through the use of the…

A: given - electroplating diagram for Ag and Cd

Q: Consider the reaction corresponding to a voltaic cell and its standard cell potential.…

A: Reaction: Zn(s) + Cu2+(aq) -------&gt; Cu(s)  + Zn2+(aq) E°cell = 1.1032  Cell potential,Ecell = ?…

Q: The amount of lactic acid, HC3H5O3, produced in a sample of muscle tissue was analyzed by reaction…

A: In case of lactic acid the no. of moles of acid is equal to the no. of moles of hydroxide ion that…

Q: Balance the reaction and calculate the standard electrode potential. Fe3+(aq) + Cd(s) → Fe2+(aq) +…

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Q: In Electrochemical cells electrons are transfered from the reactants being reduced to the reactants…

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Q: At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium?…

A: Gibbs energy equation is given by the formula- △G = △H -T△S           ----------------(i) Where, △G…

Q: What mass of Cu(s) is electroplated by running 17.5 A of current through a Cu²“(aq) solution for…

A: Part A :  First we would Calculate charge using current and time.  From charge , we would calculate…