half-reaction occurs at the cathode

Q: A solution of nickel(II) ion (Ni2+) is electrolyzed using a current of 15.0 A (amperes) for 25.0…

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Q: An aqueous solution of copper sulphate, CuS04 was electrolysed between platinum electrodes using a…

A: a) The solution is containing CuSO4 solution with Cu2+ ions. Since a cathode, the reduction reaction…

Q: A 0.100 M neutral aqueous CaCl2 solution is electrolyzed using platinum electrodes. A current of…

A:

Q: Gold (atomic mass = 197.0) is plated from a solution of chloroauric acid, HAuCla, it %3D deposits on…

A: Molar mass of gold is :- 197g/mol  It is needed to deposit 0.40g of Au Current passed = 0.10 A

Q: Copper metal (63.546 g/mol) is purified by electrolysis. How much copper metal (in grams) could be…

A: Molar mass of copper = 63.5 gm  N-factor (valancy) = 2

Q: A galvanic cell is constructed that has a zinc anode immersed in a Zn(NO3)2 solution and a platinum…

A: Hello. Since the question contains multiple subparts the first three subparts are solved. In case…

Q: An electrolysis cell contains a solution of 0.10 M NiSO4. The anode and cathode are both strips of…

A: Electrolysis is spitting of chemical decomposition of ionic substances due to passage of electric…

Q: An aqueous solution of copper (II) nitrate was electrolyzed using a current of 1.5 A for 60 minutes…

A: Given that -  Current used for copper (II) nitrate Electrolysis = 1.5 A  Time = 60 minutes = 60×60…

Q: Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in…

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Q: Calculate the mass of nickel that will be deposited when a current of 2.00 A is passed through a…

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Q: Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will…

A: The standard reduction potential of copper, E°Cu2+/Cu = 0.337 V The standard reduction potential of…

Q: Calculate the mass of silver (Ag +1 ) deposited at the cathode during the electrolysis of silver…

A: Reduction → gain of electronReduction always occurs at CathodeAg++ e-  →Ag

Q: The standard reduction potentials for Mg2+/Mg (E'= -2.37 V) and Fe2*/Fe (E'= -0.44 V). When a piece…

A: Concept- By the help of nernst equation, this problem can be solved. Ecell=Eocell− 0.0592/n log10Q…

Q: Thorium, Th, is an actinide metal that can be used as a contact explosive much solid thorium could…

A: Given, Current is passed through Th4+ solution is ---- 0.51A Time is ---- 3hours How much thorium is…

Q: A concentration cell similar to the one shown is composed of two Cu electrodes and solutions of…

A: Electrochemical cells are those which converts the chemical energy into the electrical energy. They…

Q: What would be formed by the electrolysis of an acidic iron(III) chloride solution? Show all possible…

A: The electrolysis of molten iron(III) chloride produces elemental iron and chlorine. Balanced…

Q: A. Given that the electrochemical cell L gives a potential of 0.0570 V, determine the concentration…

A: A. Given a concentration cell L, in which the concentration of bromide ion in the anode is given to…

Q: Identify the reaction that occurs at the anode and the cathode. anode: cathode: Determine the…

A: GivenElectrolysis of Molten CrBr3Ions Molten CrBr3 have 1. Cr3+2.  Br-

Q: What is the efficiency of an electrolytic cell that produces 20.0 g of elemental chromium from a…

A: Efficiency of an electrolytic cell means its current efficiency. The current efficiency is a ratio…

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: A concentration cell is composed of two Co electrodes and solutions of different Co2+…

A: The standard cell potential of a concentration cell is zero since the same metal is used as both…

Q: Calculate the quantity indicated for each of the following electrolysis. a. The mass of Zn deposited…

A: The mass of zinc can be calculated by using Faraday's law of electrolysis.

Q: In the electrolysis of a solution containing Ni²+ (aq), metallic Ni(s) deposits on the cathode.…

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Q: A concentration cell similar to the one shown is composed of two Ni electrodes and solutions of…

A: In concentration cell same electrode and same substance is used in solution.The only difference is…

Q: A concentration cell is composed of two Co electrodes and solutions of different Co2+…

A:

Q: Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in…

A: Given that: current, I = 0.590 A  time =  90.0 min To find: amount of Ga(s) deposited from a…

Q: Gold (atomic mass = 197.0) is plated from a solution of chloroauric acid, HAuCl4; it deposits on the…

A:

Q: Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in…

A: To produce gallium, gallium oxide which has Ga(III) ion is being reduced. Hence the electrolysis…

Q: Predict the products of the electrolysis of an aqueous solution of sodium chloride in cell using…

A: Electrolysis is a spontaneous redox process Here we are required to find the product when aqueous…

Q: a) The half-reaction for formation of magnesium metal upon electrolysis molten MgCl2 is Mg2+ + 2e-…

A: a) From Faradays first law, weight of the substance deposited, W = ZQ Z = E/F = equivalent…

Q: A galvanic cell consists of a cadmium cathode immersed in a CdSO4 solution and a zinc anode immersed…

A: A galvanic cell is an electrochemical cell, which produce electric current by the redox reaction. In…

Q: Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will…

A: Given: Solution of Al3+ is added with the Mn.

Q: A copper rod was purified using an electrolysis method consisting of a 1.0 M solution of copper (II)…

A: The correct answer is given below ?

Q: 6. Zinc (Zn) can be purified by the electrolysis of aqueous zinc sulfate. Suppose an electrolytic…

A: Given that, In the electrolytic cell : Molarity of ZnSO4 solution = 0.050 M Weight of zinc deposited…

Q: Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will…

A: Cu metal cannot displacement  Al3+ from its solution.  Thus, no reaction takes place.

Q: Using the standard reduction potentials provided below, calculate if the oxidation of tetravalent…

A: The given half-cell reactions are: PuO22++4H++2e-⇌Pu4++2H2O; EPuO22+|Pu4+o=1.000…

Q: Gold (atomic mass = 197.0) is plated from a solution of chloroauric acid, HAuCl4; it deposits on the…

A: Given: Mass of god produced = 0.34 g. Current passed = 0.10 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: 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: What mass of silver would plate onto the cathode if a current of 7.9 A flowed through the cell for…

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Q: An electrochemical cell is made of theoretical metals Ma/Ma and Mb/Mb.  If the reduction potentials…

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Q: A current of 8.86×104 A is passed through an electrolysis cell containing molten KCl for 12.7 days.…

A: To calculate the mass of the potassium deposited we use Faradays first law of electrolysis, The…

Q: Using Faraday constant, how many grams of copper will attach to the cathode of an electrolysis cell…

A: Faraday first law states that the amount of material deposited at cathode from electrolytic solution…

Q: Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in…

A: We have to calculate the amount of gallium solid that can be formed.

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

A:

Q: Question 2 on the photo

A: To calculate concentration of Ag+ at anode: The reaction occur at cathode, The reaction occur at…

Q: In the electrolysis of a solution containing Ni²+ (aq), metallic Ni(s) deposits on the cathode.…

A: