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12 Dec 2019

A)When water is subject to electrolysis, what gas is produced at the cathode?

H2O2

O2

H2

H2O

B) What is the minimum voltage required for the electrolysis of a melt of nickel(II) chloride?

C)

How many minutes will it take to electroplate 0.432 grams of copper metal, Cu(s), from a solution containing Cu2+(aq) with a current of 3.39 amps?

1 A = 1 C/s

F = 96,500 C/mole electron

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Collen Von
Collen VonLv2
13 Dec 2019

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Related questions

A) What is the minimum voltage required for the electrolysis of a melt of nickel(II) chloride?

B)How many minutes will it take to electroplate 0.312 grams of copper metal, Cu(s), from a solution containing Cu2+(aq) with a current of 3.25 amps?

1 A = 1 C/s

F = 96,500 C/mole electron

C) When water is subject to electrolysis, what gas is produced at the anode?

H2O

H2O2

H2

O2

What is the cell potential for the spontaneous concentration cell with the reaction A3+(aq) + A(s) → A(s) + A3+(aq), with concentrations of A3+ of 0.893M and 0.307M at a temperature of 310. K?

If the value of Eo for the reaction A + B → C is Eo = 0.45V, What is the value of Eo for 3C → 3A + 3B?

How many minutes will it take to electroplate 0.411 moles of copper from a solution containing Cu2+(aq) with a current of 3.51 amps?

What is the minimum voltage required for the electrolysis of a melt of nickel(II) chloride?

1) What is the value of K at 298K for the following reaction? (Please give your answer to two significant digits)

3A2+(aq) + 2B(s)→ 2B3+(aq) + 3A(s)

A2+(aq) + 2e- → A(s) Eored = -0.39

B3+(aq) + 3e- → B(s) Eored = -0.30

2) What is the cell potential for the spontaneous concentration cell with the reaction A3+(aq) + A(s) → A(s) + A3+(aq), with concentrations of A3+ of 0.857M and 0.371M at a temperature of 310. K?

3) How many minutes will it take to electroplate 0.389 moles of copper from a solution containing Cu2+(aq) with a current of 3.55 amps?

4) What is the minimum voltage required for the electrolysis of a melt of nickel(II) chloride?

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