The diagram above shows an electrolytic cell used to plate a nail with zinc. The mass of zinc plated on the nail with 8.00 x 10° C of electrons is g. (Record your answer rounded to three significant digits in the space provided.)
The diagram above shows an electrolytic cell used to plate a nail with zinc. The mass of zinc plated on the nail with 8.00 x 10° C of electrons is g. (Record your answer rounded to three significant digits in the space provided.)
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.92QE
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Transcribed Image Text:Pewer Source
The diagram above shows an electrolytic cell used to plate a nail with zinc. The
mass of zinc plated on the nail with 8.00 x 10° C of electrons is
g.
(Record your answer rounded to three significant digits in the space provided.)
Transcribed Image Text:Copper shingles make an expensive but long lasting roof. Over time, the shingles
develop a distinctive green patina from the copper (II) compounds that form on
the surface of the shingles. These compounds shield the copper underneath from
further oxidation.
Copper shingles shouldn't be fastened with iron nails. Why is this?
Select one:
O The nails will oxidize causing the shingles to come loose.
O The copper will react with the iron, oxidizing both the nails and shingles.
O The combination of iron and copper is a strong reducing agent.
O The nails will cause the copper to oxidize more quickly.
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