6 The graphite anodes have to be replaced regularly. Why is this? 7 Why is it so much more cost-effective to recycle aluminium than to extract new aluminium?

Q: How many grams of magnesium are produced if a current of 4.50 A is passed through the electrolysis…

A:

Q: What are the differences in the mechanism of corrosion protection by galvanizing and chrome plating…

A: The main difference between galvanisation and chrome plating is used metal. I.e. zn or CR.

Q: An electrolysis cell is set up with the cathode producing H₂ gas and with an unknown metal at the…

A: Electrolysis Electrolysis involves passing an electric current through either a molten salt or an…

Q: 2. The electrolysis of aluminum oxide in molten cryolite to produce aluminum metal uses cells that…

A: Given: Current passed = 200000 A And mass of Al formed = 908 Kg = 908000 g…

Q: What characteristics do you believe zinc gives to this coated, or galvanized, steel? What safety…

A: Zinc : Zinc is the metal which is often coated as outer coating on stainless steel , this coating…

Q: An electrolysis cell that deposits copper (from Cu2+ ions) operates for 30 minutes at an electric…

A:

Q: What are the main principles of ?converting cast iron to steel

A: Ore is a mineral from which the metals are conveniently extracted in a profitable way. For example,…

Q: 2. Assess the risks of corrosion and how are these mitigated in the industry.

A: Corrosion is a natural process of gradual destruction of materials that converts a metal into an…

Q: An electrolysis cell for aluminum production operates at 5.5 V and a current of 7.0 x 10° A.…

A:

Q: What current must be used to plate 1.75 moles of copper on an electrode in 6.25 minutes?

A: ∙Given:-  no. of moles of copper =1.75 moles                     Time =6.25  minutes or  375s

Q: What is the allowable contamination of Aluminium?

A: Given: What is the allowable contamination of Aluminium?     To find: find the allowable…

Q: The mass of the magnesium that is plated through electrolysis is 2.7 g in 2.5 hours. What current is…

A: Given -> Weight = 2.7 gm Time (t) = 2.5 hour = 2.5 × 3600 seconds = 9000 s

Q: Metallic magnesium can be made by the electrolysis of molten MgCl2.How many minutes are needed to…

A: According to Faraday’s first law, the chemical deposition which takes place during electrolysis is…

Q: What is the coordination number of a metal ion in a complexion? How does it differ from oxidation…

A: Coordination number is defined as the number of the ligands which are immediately surrounded or…

Q: Write a balanced equation to represent the electrolysis of molten sodium chloride. What volume of…

A: A balanced equation to represent the electrolysis of molten sodium chloride has to be given.

Q: Describe how Aluminium is extracted from its ore by electrochemical process? showing cell…

A:

Q: What mass of copper could be electroplated from a solution of CuSO4 by a 50 A current in 1.000 hour?…

A:

Q: How many grams of Silver can be deposited from the electrolysis of 30g AgCl?

A: The mass of silver can be deposited = 22.5792 g.

Q: 2. The electrolysis of aluminum oxide in molten cryolite to produce aluminum metal uses ce that…

A: Aluminum oxide Is Al2O3 , aluminium is existing as Al+3 Faraday says...For conversion of 1 mole of…

Q: How long (in minutes) would it take to deposit 0.67 g of copper from a solution containing Cu? using…

A: Faraday law of electrolysis      M = AnF×I×T            where,        M = mass of metal deposited…

Q: b) The electrolysis of a sodium sulphate solution produces 0.84 L of O2 at 1 atm and 25°C. Calculate…

A:

Q: seconds

A:

Q: An electrolysis cell for aluminum production operates at 4.0 V and a current of 8.5 x 10° A.…

A: The solution is given below -

Q: Calculate the electromotive force of a platinum electrode immersed in a solution containing tin ions…

A: Given,  Reduction of Sn2+ ion is : Sn2+ (aq) + 2e- -----------> Sn (s) , E0Sn2+/Sn = +0.15 V…

Q: A piece of Al with a surface area of 2.5 m² is anodized toproduce a film of Al₂O₃ that is 23…

A:

Q: What is purification of a metal by electrolysis?

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: A certain single ion channel is selectively permeable to K* and has a resistance of 1.15 G2,…

A: the answer is follows as :

Q: What process is used commercially to make nitric acid? O Ostwald process Downs cell Water gas shift…

A: We will discuss all the processes in option to answer this question.

Q: List the properties of copper that make it appropriate for electric wires?

A: Copper is a metal which is commonly used for making electric wires. This is because of the following…

Q: Enter your answer in the provided box. Copper is purified by electrolysis. A 4.75-kg anode is used…

A: Given:  Mass of anode = 4.75 kg = 4750 gm  Current (I) = 37.8 A

Q: d. Calculate the value of the equilibrium constant at 298 K. e. How many grams of copper metal can…

A: All the necessary calculations have been done in the following step.

Q: In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide…

A: we will apply the combined Faraday's law W = (Q*M )/F*n  W = weight of mass in grams Q = quantity of…

Q: Why is it important to use an inert atmosphere to surround the metal when arc-melting titanium?

A: Since high temperature and the flow of electrons would cause the metal to oxidize in a normal…

Q: 3. Why is the measured mass different than calculated mass deposited? 4. What affects the rate of…

A:

Q: (a) Metals may be coated or plated for a number of reasons – state three reasons. (b) In an…

A: Electroplating is the process coating a metal with another metal or another conductive surface…

Q: 2. The electrolysis of aluminum oxide in molten cryolite to produce aluminum metal uses cells that…

A:

Q: A 10.0 gram sample of copper ore was dissolved in nitric acid and then electrolyzed until all of the…

A: Percentage of copper in the original sample can be calculated by knowing the amount of copper metal…

Q: How is steel manufactured by acid bessemer process? What are the advantages and disadvantages of…

A: The acid Bessemer process consists essentially of blowing air through molten pig iron to oxidize the…

Q: 4. A copper rod was purified by using it as the anode in the electrolysis of a 1.0 M copper (II)…

A: Anode is the electrode on which oxidation takes place and Cathode is the electrode where reduction…

Q: (8) VI. It took 1.00 hour for a 0.773 A current to plate 0.500 g of a metal containing M* ions. What…

A: Given: Current (I) = 0.773 A Mass of metal M = 0.5 g Time (t) =1 hr = 3600 sec

Q: Explain about passivation in metals

A:

Q: How long (in minutes) would it take to deposit 0.67 g of copper from a solution containing Cu2+…

A:

Q: aluminium is most abundant in earth crust yet it is obtained from bauxite. why?

A: Though Aluminum is the most abundant in earth crust it is obtained from bauxite. Bauxite (ore) is…

Q: long

A:

Q: 4. How would the amount of copper lost by the anode have changed (if any) had you used an…

A: Interpretation -  To tell about that how amount of copper lost by the anode have changed ( if any )…

Q: (a) Name the method used for removing gangue from sulphide ores. (b) How is wrought iron different…

A: The method used for removing gangue from sulphide ores has to be given.

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.