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Faraday's Constant

Q. Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis apparatus operates at 26.40 A, how many grams of calcium metal will be produced in 60 hours?

Solved • Apr 29, 2019

Faraday's Constant

Q. How long would it take to electrodeposit all the Cu2+ in 0.400 L of 0.270 M CuSO4 solution with an applied potential difference of 0.265 V and a current of 2.40 amperes? Enter your answer in minutes.

Solved • Apr 29, 2019

Faraday's Constant

Q. HgO(s) + Zn(s) → ZnO(s) + Hg(l) If a partially used battery contains 2.40 g of each of these four substances, for how many hours will a watch which draws 0.20 milliamperes of currentcontinue to run?

Solved • Apr 29, 2019

Faraday's Constant

Q. You are given the following three half-reactions: (1) Fe3+(aq) + e− → Fe2+(aq) E = +0.77 V (2) Fe2+(aq) + 2e− → Fe(s) E= −0.44 V (3) Fe3+(aq) + 3e− → Fe(s) Calculate ΔG for (3) from (1) and (2).

Solved • Apr 25, 2019

Faraday's Constant

Q. an electroplating technician electroplated a faucet with 0.90 g of chromium using an electrolytic cell containing a solution of cr2(so4)3. if 26 minutes were used in electroplating what curren in amp

Solved • Apr 20, 2019

Faraday's Constant

Q. how many moles of cr3+ would be electrolyzed to cr(s) with the same amount of electricity that produces 16 g ag(s) from a solution of agno3?

Solved • Apr 20, 2019

Faraday's Constant

Q. Is there an equation to work this question out?

Solved • Apr 12, 2019