Describe what would happen if pure platinum plates were used for the electrodes instead of copper and silver plates in an electrolysis apparatus.

Q: a) An electrolyte is a substance that furnishes + . In the Electrolytic cell Anode is the and…

A: Answer: An electrolyte is a substance that furnishes ions. In the electrolytic cell anode is the…

Q: 5) A certain electrochemical cell has a cell potential of +0.12 V. Which of the following is a true…

A: Electrochemical cell or galvanic cell converts chemical energy into electrical energy. In galvanic…

Q: How many moles of oxygen, O2, will be produced by the electrolysis of water with a current of 1.5…

A:

Q: A certain half-reaction has a standard reduction potential Ed=+0.42 V. An engineer proposes using…

A: The standard reduction potential of E°red = + 0.42 V is used as the cathode half-cell reaction of…

Q: 7. A current of 1000. A flows for exactly 1 hour, through a cell in which the following reaction…

A: Electric current : It is defined as the rate at which a particular charge flows. It is represented…

Q: A constant current of 1.6 A is used to precipitate copper at the cathode and oxygen at the anode of…

A: value of constant current = 1.6 A Time = 30.4 minutes cathode - copper Anode - oxygen

Q: A galvanic (voltaic) cell contains a copper cathode immersed in a copper(II) chloride solution and a…

A: At cathode reduction takes place while at anode oxidation takes place.  Current (I) = 1.55 A  Time…

Q: In a copper plating experiment in which copper metal is deposited from a copper(II) ion solution,…

A:

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction 2+ Zn(aq)+2e…

A: Q.1: In a Galvanic cell, oxidation takes place at anode and reduction takes place at cathode.  Among…

Q: one process used for electroplating silver, a current of 10.23 A was passed through an electrolytic…

A: Electroplating is a process in which a thin layer of one metal is deposited on another metal surface…

Q: Chlorine, Cl2, is produced commercially by the electrolysis of aqueous sodium chloride. The anode…

A: Current =5.00×10^2A Mass of chlorine=4.18kg=(4.18×1000)g=4180g

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: Describe the anode and cathode of an electrolytic cell in which gold is to beplated on an object.

A: Electroplating produces a very thin coating of these expensive metals on the surfaces of cheaper…

Q: MISSED THIS? Read Section 20.8 (Page). Silver can be electroplated at the cathode of an electrolysis…

A: According to Faraday first Law of Electrolysis "  The chemical deposition due to the flow of current…

Q: c. Identify the cathode and the anode and write their respective half-cell reactions. d. Write the…

A: Anode and cathode are two electrodes that are used in electrochemical reactions. An anode is the…

Q: In the industrial "chlor-alkali" process, pure chlorine and sodium hydroxide are produced by…

A: The charge carried by 610A of current in 77 seconds is the product of current and time.q is the…

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: You have a 5.00 cm diameter sphere that you would like to have plated with copper metal. How long…

A: This answer is given below.Explanation:

Q: A 215-mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

A: Gien: Volume of a sample = 215 mL NaCl = 0.500M pH = 7 After 15 minutes, Volume removed = 10 mL HCl…

Q: In a copper plating experiment in which copper metal is deposited from a copper(II) ion solution,…

A:

Q: Suppose 490.mmol of electrons must be transported from one side of an electrochemical cell to…

A: Given that:  Electron transferred during reaction in electrochemical cell = 490mmol =…

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: A total of 1.638 F of electricity (1 F = 1 mol e) was required to electrodeposit all of the Zn and…

A:

Q: n a copper plating experiment in which copper metal is deposited from a copper(II) ion solution, the…

A: Using Faraday's First of electrolysis: w = ZIt Z = Equivalent mass of metal96500w = Molar mass of Cu…

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: 1) How are the half-cells connected and what is the purpose? 2) Explain what is the composition of…

A: A Galvanic electrochemical cell is typically made up of two half cells and a salt bridge. Each half…

Q: A pathway by which counter ions can flow between the half-cells of a galvanic cell without the…

A: Salt bridge consists of U-tube glass rod filled with solution of KCl. It connects oxidation and…

Q: impure

A: According to this law,  mass diposite on cathode is direactly proportion to the current.  So,…

Q: A constant current of 0.800A was used to electrolyze copper in an electrolytic cell, where copper…

A: Answer:- This question is answered by using the simple concept of electrolysis of a salt then mass…

Q: A total of 1.558 F of electricity (1 F = 1 mol e) was required to electrodeposit all of the Zn and…

A: ZnSO4 and CoSO4 both have divalent metal ions as, Zn2+ and Co2+.   (Here M= metal)So, 2F electricity…

Q: An experiment is set up to determine the best voltage for electroplating tin onto iron. Iron plates…

A: 1. Independent variable is Voltage 2. Thickness of layer 3. Iron plate 4. Electrolyte 5. Temperature

Q: Draw an example of a zinc-copper galvanic cell showing how its work

A: The detailed solutionof your question given below- The example of zinc copper galvanic cell work as…

Q: ii) How many amperes of current needs to be passed through molten Sodium chloride (NaCl) to produce…

A: Use the first law of Faraday.

Q: Sketch the cell, labeling the anode and cathode and indicating the corresponding electrode…

A: In the voltaic cell, the electrical energy is produced by the redox reactions that occur…

Q: Suppose 720. mmol of electrons must be transported from one side of an electrochemical cell to…

A:

Q: The electrolysis of molten AlCl 3 for 1.50 hr with an electrical current of 12.0 A produces   of…

A: Given: Time = 1.50 hr electrical current = 12.0 A

Q: A student was asked to set-up a galvanic cell in the laboratory. He used two copper electrodes, one…

A:

Q: 3.53 L of 0.362 M  solution are electrolyzed (Cu is plated out of solution as metal.) A current of…

A: NOTE: Assuming that the solution contains Cu2+ ions and the concentration data given is for the Cu2+…

Q: Metallic magnesium can be made by the electrolysis of molten MgCl2 What mass of Mg is formed by…

A:

Q: Suppose 570. mmol of electrons must be transported from one side of an electrochemical cell to…

A: Current is defined as charge passed per unit of time. Its S.I. unit is ampere.

Q: An electrochemical cell allows transfer of electrons through the salt bridge. True False

A: A salt bridge connects the oxidation and reduction halves of the cell. It's primary function is to…