• Can you identify the lead (wire) color that represent the cathode? Which wire color is the anode? • What is the pinky color solution represent for? 21- (aq) + 2H,O (1) → I, (aq) + H, (g) + 20H- (aq)

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

A: True

Q: Which of the following statements is/are TRUE about standard electrode potentials?   1.  E0 is…

A: The potential which is developed when a pure metal/non-metal is in contact with the solution of its…

Q: Draw the following galvanic cell (salt bridge design) and label the following: i. anode and cathode…

A: A question based on galvanic cell, which is to be accomplished.

Q: A tin plated steel can corrode more quickly than an unplated steel can. In cases of galvanic…

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

Q: An inexpensive and accurate method of measuring the quantity of electricity passing through a…

A: Given information:Mass of silver ion before current is passed = 1.7854 gMass of silver ions after…

Q: Gold exists in two common positive oxidation states, +1and +3. The standard reduction potentials for…

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

Q: 2. A voltaic cell is constructed by immersing a strip of copper metal in 1.0 M CuSO, solution and a…

A: 2.) We would use the given information to predict about copper electrode.      Note : As you have…

Q: During the electrolysis of water in acidic solution, which process occurs at the anode? 4H* (aq) +…

A: Since, In electrolysis reaction, oxidation reaction takes place at anode. So,

Q: According to the reaction, Ag+ (aq) + e- --> Ag(s), silver is deposited. For 30.0 minutes, a 0.800A…

A:

Q: 21.22 Write the cell notation for the voltaic cell that incorporates each of the following redox…

A: When a chemical reaction is represented in short form that is taking place in an electrochemical…

Q: A concentration cell is based on the aqueous reaction Cu*(1.00 M) → Cu²*(0.0100 M) The cell consists…

A: The electrolyte copper(II) sulfate, provides a high concentration of copper(II) ions Cu2+ and…

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 time to deposit 1.27 g of copper at cathode when a current of 2A was passed through…

A:

Q: What current is required to plate out 1.22g of Ni from q solution of Ni2+ in one hour? Atomic mass…

A: Given:  Mass of Ni = 1.22 gm  Molar mass of Ni = 58.69 g/mole  Time = 1 hour = 3600 sec  Since Ni is…

Q: The following oxidation and reduction half-reactions are possible for the electrolysis of potassium…

A:

Q: Number 4

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: 21.22 Write the cell notation for the voltaic cell that incorporates each of the following redox…

A:

Q: 13.77 When a lead storage battery is recharged by a current of 12.0 A for 15 minutes, what mass of…

A:

Q: 2. An aqueous solution contains the following ions, all at 1.0 M concentration: Na* , Fe*, so,, and…

A: As, we supply power, cations present in the solution move towards cathode for there reduction to…

Q: Which of the following can be used to protect metals from corrosion? O By forming alloys O by…

A: In this question, we will discuss about which process can be used to protect metals from corrosion.…

Q: b.) Write the overall balanced redox reaction occurring in this voltaic cell. How many electrons are…

A: b) 6 electrons being transferred during electrochemical reaction.

Q: 27. If you want to nickel plate a stainless-steel spoon, you must attach   bars nickel for both…

A: Electroplating is a process in which a metal coating is created on another solid surface by metal…

Q: A student measures the voltage across different metal electrodes placed in a voltaic cell. Using a…

A:

Q: What will that voltage be

A:

Q: The cathode is the electrode at which oxidation occurs. O True O False

A: We are authorised to call for the one question at a time. Please post the other question separately.

Q: 14.106 A voltaic cell is constructed in which the following reaction takes place: Cu (s) + 2Ag+ (aq)…

A: Number of moles of a substance is defined as ratio of mass in gram of substance to the molar mass of…

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

A:

Q: What amount of Cu (in grams) is deposited at the cathode when a current intained for 15 minutes in a…

A: Faraday's second law of electrolysis explains that when a certain amount of charge is passed, the…

Q: 21.22 Write the cell notation for the voltaic cell that incorporates each of the following redox…

A: Cell notations are a shorthand description of voltaic or galvanic (spontaneous) cells. The reaction…

Q: In an electrochemistry experiment a student used an unknown metal that was known to undergo this…

A: Given: Mass of M reacted = 0.600 g  And moles of H2 produced = 5.44 × 10-3 mol.

Q: Write the equations involved in electrochemical reaction of corrosion.   B. Give 1 example each…

A: The formation of rust requires iron, water and oxygen. Although it is a chemical process, and is…

Q: (a) A student is required to construct a battery in the form of a galvanic cell using nickel (II)…

A:

Q: Sketch the galvanic cell based on the following overall reactions. Calculate e°; show the direction…

A: The standard reduction potentials of the two half-cells are: Cl2/2Cl-: 1.36 VCr2O72-/Cr3+:1.33 V

Q: Which metals would act as sacrificial anodes (cathodic protection) for iron? Sn Na Cr Mg Cu Despite…

A:

Q: If 25 amp of current is passed through a solution of CaCl2 for 4 minutes in an electrolytic cell,…

A: The cell reaction for given electrolytic cell can be expressed as,                      At cathode :…

Q: Galvanized iron is steel sheet that has been coated with zinc,tin cans are made of steel sheet…

A: A question based on electrochemistry, which is to be accomplished.

Q: A voltaic cell is constructed at 25 °C from a half-cell in which a nickel rod is dipped into a…

A: A galvanic or daniell cell is a type of electrochemical cell which converts chemical energy into…

Q: A certain electrochemical reaction has a AG = -231.3 kJ/mol, and E° = 0.48 V. How many electrons…

A:

Q: 18.11 Calculate the standard emf of a cell that uses the Mg/Mg*and Cu/Cư²+ half-cell reactions at…

A: The galvanic cell is the type of electrochemical cell. The electrochemical cell is the one that…

Q: The following redox reaction takes place at 25.0℃  2Au(s) + 3F2(g) → 6F-(aq) + 2Au3+(aq) a.…

A: Thequestion deals with the concept of electrochemistry. redox reaction is the  Reaction in which…

Q: ) Magnesium metal is used as a sacrificial anode to protect underground pipes from corrosion. Why is…

A: Sacrificial Anodes are made from a metal alloy which has a more negative reduction potential than…

Q: 8. The electrolysis of copper (II) sulfate using carbon electrodes is demonstrated to a chemistry…

A: Given :  Current (I) = 1.50 A  Volume = 75.0 ml  Concentration of CuSO4 solution = 0.125 mol/L

Q: Which of the following are not factors of corrosion? A.Impurities B. Moisture C. Electrolyte D.…

A:

Q: Silver-Copper Sulver-Zinc Copper-Zinc Of all the possible components listed above, which is the…

A: After observing the electrochemical series the couple which have least value of  reduction potential…

Q: 19 39 A sılver oxide–zinc cell maintains a fairly constant voltage during discharge (1.60 V). The…

A: Given  Silver Oxide Zinc cell Half reactions are  Zn(s) + 2 -OH(aq.) ------> Zn(OH)2(s) + 2e-…

Q: 19.37 Zinc reacts spontaneously with silver ion. 2+ Zn(s) + 2Ag*(aq) → Zn²*(aq) + 2Ag(s) Describe a…

A: From gjven  voltaic cell is described and half reactions are given as below

Q: Calculate the time to deposit 1.27 g of copper at cathode when a current of 2 A was passed through…

A: According to Faraday's first law W = z.i.t                                        .....(1) W is the…

Q: Which of the following is a technical challenge to using lithium metal as the anode in lithium…

A: The question can be answered based on the reduction potential of lithium which is the key species of…

Q: Use the following information to answer question 19. Students observed the Hoffman apparatus shown…

A: