5.77 of zinc is deposited at the cathode when a current of 7.1 amperes passes through an electrolytic cell for 40 minutes. What is the oxidation state of the zinc in aqueous solution?

Q: When a galvanic cell operates long enough, we notice as the electrodes undergo physical changes.…

A: Answer - galvanic cell  - A galvanic cell or voltaic cell, respectively, is an electrochemical cell…

Q: In the electrolysis of water, a solution around the cathode becomes basic and in the anode is…

A: True

Q: If the given statement is true, write T. Otherwise, write F and explain why it is false. 1) The…

A: Given the statement: The electrons in a galvanic cell can be transferred through a wire, making it…

Q: If 10 amp of current is passed through a solution of CaCl2 for 10 minutes in an electrolytic cell,…

A:

Q: 9) When the electrochemical reaction that fuels a battery's power approaches equilibrium, briefly…

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A: a) The standard reduction potential of Sn2+ and Fe2+ are -0.13 V and -0.44 V respectively. Since…

Q: explain why a galvanic cell can only work when the electrolyte solution remains electrically…

A: Galvanic cells also known as voltaic cells, are electrochemical cells in which spontaneous…

Q: A certain half-reaction has a standard reduction potential Ed=+0.73 V. An engineer proposes using…

A: Given,The standard reduction potential: , this is the reduction potential of the anode.Also,  (at…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2103 (aq)…

A:

Q: What products are obtained in the electrolysis of a molten mixture of KI and KBr?

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Q: In a separate electroplating experiment, if a 5.00 A current was used to electroplate a penny for…

A: Given : Current used = 5.00 A And time of current flow = 5.00 min = 5 X 60 = 300 s…

Q: What are the products in the electrolysis of aqueous copper (II) iodide?

A:

Q: Why does the electrolysis of an aqueous sodium chloride solu-tion produce hydrogen gas at the…

A: Electrolysis is a method of passing electric current through ionic or molten salt resulting in the…

Q: A voltaic cell is prepared where copper metal is oxidized to copper(II) and silver(I) is reduced to…

A: Voltaic cell: A voltaic cell is an electrochemical cell which converts chemical energy produced from…

Q: In an experiment similar to this one, a polished strip of Cu (s) was found to weigh 16.552 g. This…

A: Given : Mass of Cu before electrolysis = 16.552 g Current passed = 0.887 A Time = 26 min = 26 X 60 =…

Q: How many grams of nickel may be formed by the passage of 4.77 amps for 2.67 hours through an…

A:

Q: A certain half-reaction has a standard reduction potential Ered -0.01 V. An engineer proposes using…

A: Step 1:Galvanic cell is a type of electrochemical cell that converts chemical energy into electrical…

Q: The diagram that follows represents a molecular view of aprocess occurring at an electrode in a…

A: (a) The given process represents oxidation. Since, the ion is smaller than atom in electrode and it…

Q: A 1.0 M solution of aluminum nitrate is placed in a beaker with a strip of aluminum metal. A 1.0 M…

A:

Q: the electromotive force of a galvanic cell constructed of a standard hydrogen electrode and a lead…

A: The electrode potential when the concentration of all the half cells involved is unity is called the…

Q: 1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode…

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

Q: A solution containing vanadium (chemical symbol V) in an unknown oxidation state was electrolyzed…

A: Given: Current = 2.96 A Time = 33.4 min Mass of V deposited at cathode = 0.784 g Molar mass of V =…

Q: 1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode…

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

Q: [Ret A particular voltaic cell operates on the reaction Zn(s) + Cl2 (g) → Zn²+ (aq) + 2CI (ag)…

A: From the balanced reaction it is clear that, Charge transferred = 2 mol of e- Cell potential, V =…

Q: A steady current of 10 A maintained for 1 hr deposits 12.2 g of zinc at the cathode. What is the…

A: Given,  I = 10 A.  t = 1 hr.  m = 12.2 gm.

Q: An electrolysis reaction takes place in an aqueous solution of sodium chloride. What will be…

A: Electrolysis of aqueous sodium chloride : Electrolysis of aqueous NaCl results in hydrogen and…

Q: A chemist assembles the following clectrochemical cell. Onc side of the cell contains a zinc…

A:

Q: Between the galvanic couple Pb and Al, which metal is the cathode?

A:

Q: Assign each description as applying to the cathode or the anode of a galvanic cell. Where reduction…

A: The galvanic cell is a type of electrochemical cell that generates electrical energy from a…

Q: Use the following description of a galvanic cell to answer questions 4-7. One half-cell is prepared…

A: Half cell areactions Sn(NO3)2  → Sn + 2 NO3-  + 2 e-ESn2+/Sn0  = -0.14 VCr(NO3)3  → Cr + 3 NO3-  + 3…

Q: Balance the following fictitious Redox reaction in aqueous acidic solution. When balanced correctly,…

A:

Q: Explain the concept of the Electrolysis of Water taking place at standard state. And why are the…

A: During electrolysis, electrical energy is used for the electrolysis. In an electrolytic cell two…

Q: Which of the following is true for a galvanic cell?

A: Galvanic cells is also known as voltaic cells, they are electrochemical cells in which…

Q: A 50.0-mL aliquot of unknown Cu(II) solution was exhaustively electrolyzed to deposit all copper on…

A: Faraday's law of electrolysis In electrolytic cell, the weight of substance that deposited on…

Q: Explain the Stoichiometry of Electrolysis?

A: The weights of substances formed at an electrode during electrolysis are directly proportional to…

Q: Learning Goal: To understand the components and processes of a galvanic cell. A galvanic cell (or…

A: Given cell reaction: Ni(s) + Cu2+(aq) → Ni2+(aq) + Cu(s) We have to find the cathode and the anode…

Science behind corrosion-test

Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.

Corrosion

Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.