A constant current of 90 mA is passed for 22 minutes into an electrolysis cell. How much electrical charge in Coulombs has passed through the cell?

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…

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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

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A: Given : We have to tell the purpose of salt bridge in an electrochemical cell.

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: References] operates on the reaction Zn(s) + Cl2 (9) → Zn²+ (aq) + 2C1¯ (aq) giving a cell potential…

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

Q: How many amperes of current needs to be passed through molten Sodium chloride to produce 2.4 g of…

A: Faraday's First law,           m α Q          m = eQ               = ect               = E96500ct…

Q: How much current is required to electroplate a metal surface with 0.432 g nickel metal from a…

A:

Q: A metal anode has a standard reduction potential of minus 1.56 V and the cathode has a reduction…

A: Given :-  E°anode = -1.56 V  E°cathode  = -1.16 V  To calculate :-  E°cell

Q: what types of difficulties are to be faced during electrolysis of NaCl ?

A: We acquire hydrogen and chlorine by the electrolysis of aqueous sodium chloride where aqueous sodium…

Q: 3. A factory wants to produce 1.0 x 103 kg Barium from the electrolysis of molten barium chloride.…

A: The given values are: m=1.0×103 kg=1.0×106 gt=4.0 h=4.0 ×3600 s The electrolysis step to form barium…

Q: How many seconds are required to produce 8.00g of aluminum metal from the electrolysis of molten…

A: Assume that the required seconds as x. 1 A = 1 C/s. Coulombs generated by 12.0 A in x seconds is 12…

Q: A battery can provide a current of 4.00 A at 1.60 V for 1.00 hr. How much energy (in kJ) is…

A: Given that a current of 4.00 A was provided by battery at 1.60 V. The power can be calculated as…

Q: If a water electrolysis cell operates at a current of 7.8 A, how longwill it take to generate 25.0 L…

A:

Q: state and explain Faraday’s laws of electrolysis. What is Electrochemicalequivalent?

A: Faraday’s first law of electrolysis states that the mass of the substance accumulated or released at…

Q: 1. A constant current of 90 mA is applied to an electrochemical cell for 22 minutes. What is the…

A: The charge transport in a unit time is known as electric current. The current is calculated by using…

Q: A battery can provide a current of 2.20 A at 1.00 V for 8.00 hr. How much energy (in kJ) is…

A: Given information,Battery provides a current 2.20 A at 1.00 V for 8.00 hr.Calculate the power,

Q: A steady current was passed through molten CoSO. until 2.35 g of metallic cobalt was produced.…

A:

Q: How many grams of aluminum can form by passing 305 Cthrough an electrolytic cell containing a molten…

A: The balanced half cell reaction is: Amount of current passed = 305 C Charge of 96485 C is carried…

Q: Why is zero potential possible in electrolysis but not in galvanic cell?

A: In an electrolytic cell, the external electric source is applied for the chemical reaction to occur.…

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: Calculate the number of moles of electrons driven through an electrolytic cell with 3109 A of…

A:

Q: How is the cell potential of an electrochemical cell (E°cell) related to the potentials of the…

A: The cell potential, Ecell is the measure of the potential difference between two half cells in an…

Q: What are the main components of an electrochemical cell?

A: An electrochemical cell is an apparatus or tool that produces electric current from chemical change…

Q: in the electrolysis of water, does the reaction take place at a standard or non standard state?…

A:

Q: Please make a sketch in the electrolysis of aqueous potassium bromide and indicate the anode and…

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Q: How does lowering the concentration of the solution in the anode affect the cell potential? How does…

A: A galvanic cell is a electrochemical cell. It supply electric through a redox reaction. It  is…

Q: Calculate the cell potential given the standard reduction potentials for the half reactions of the…

A: Solution: We know at cathode reduction reaction occurs, so the half cell having highest value of…

Q: What is the voltage of a galvanic cell that does 788 J of work when 255 Coulomb of charge is…

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Q: Using the Standard Reduction Potential Table, use half-reaction potentials to identify whether the…

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Q: What is overvoltage in an electrochemical cell? Why is it important?

A: Overvoltage - Overvoltage is the concept of applying an additional voltage to a cell in order to…

Q: Explain how a salt bridge can maintain electrical neutrality within the internal circuit of the…

A: Salt bridge is inverted U shaped glass tube filled with strong electrolyte (like NH4NO3) dissolved…

Q: For the electrolysis of an aqueous solution of SnSO, with aluminum electrodes at standard state co…

A: Given data: Redox reaction with SnSO4 with aluminium electrode. Net redox reaction: ? voltage…

Q: What is the function of a galvanic cell?

A: Electrochemical cells are the devices which convert chemical energy into electrical energy or also…

Q: The electrolysis of CuCl(aq) produces Cu(s) and Cl2(g). What is the minimum external emf needed to…

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Q: How many seconds will it take to plate out 2.19 grams of chromium metal from a solution of chromium…

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Q: A galvanic cell runs for 1 minute with a current of 0.25 A. How much charge passed through the cell…

A: Given : Current passed = 0.25 A And time = 1 min F=96500 C/mol

Q: A factory wants to produce 1.0 x 10³ kg Barium from the electrolysis of molten barium chloride. What…

A:

Q: The electrolyte concentration in M at which an electrochemical cell is at its standard state.

A: The electrolyte concentration should have to be unity (1M)  at its standard state

Q: Faraday constant. Suppose that after the electroplating was complete, you wiped the cathode copper…

A: Explanation to the correct answer is given below

Q: In what way does a galvanic cell becomes an electrolytic cell?

A: The galvanic cell become an electrolytic cell in the following way:-  As galvanic cells are…

Q: A factory wants to produce 1.00 x 10 kg barium from the electrolysis of molten barium chloride. What…

A:

Q: Why is it necessary to use salt bridge in A galvanic cell?

A: Galvanic cell is the other name for electrochemical cell in which chemical energy is transformed…

Q: Write the half reaction for the anode and the cathode in the galvanic cell For Silver and Zinc

A: The concept of half reactions is used to describe what occurs in a electrochemical cell ,such as a…

Q: When 1.00 mole of chlorine gas is reduced to chloride ions in an electrolytic cell, what charge (in…

A: Reduction of 1 mol of chlorine is given below, Number of moles of electrons is 2.

Q: Would you expect a mercury cell to give a constant voltage and why?

A: Yes, mercury cell provides a constant voltage throughout life. This is because there are no ions…