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Author Question: For a galvanic cell that uses the following two half-reactions, Cr2O72-(aq) + 14H+(aq) + 6 e- ... (Read 88 times)

nummyann

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on: Nov 18, 2019

Question 1

The electrolysis of molten AlCl3 for 4.25 hr with an electrical current of 25.0 A produces of aluminum metal.
◦ 35.7
◦ 321
◦ 9.90 × 10-3
◦ 1.32
◦ 107

Question 2

For a galvanic cell that uses the following two half-reactions,

Cr2O72-(aq) + 14H+(aq) + 6 e- → 2Cr3+(aq) + 7H2O(l)
Pb(s) → Pb2+(aq) + 2 e-

how many moles of Pb(s) are oxidized by three moles of Cr2O72-?
◦ 6
◦ 18
◦ 3
◦ 9
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Marked as best answer by nummyann on Nov 18, 2019

kkenney

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Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nummyann

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Reply 2 on: Nov 18, 2019
:D TYSM

raenoj

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Reply 3 on: Yesterday
Gracias!

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