Oxidation-Reduction Reactions Chemistry Worksheet
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n many important chemical reactions, electrons are transferred from atom to atom.
6.1
An Introduction to
We are surrounded by these reactions, commonly called oxidation‑reduction (or
Oxidation-
redox) reactions, inside and out. Let’s consider a typical “new millennium” family,
Reduction
Reactions
sitting around the dining room table after the dishes have been cleared.
Mom, a computer programmer, is typing away on her portable computer. She’s
6.2
Oxidation Numbers
very anxious to see if the idea she got while on her drive home will fix a glitch in the
accounting program at work. Christine,
6.3
Types of Chemical
Reactions
the thirteen‑year‑old, is fighting the
bad guys on her video game. The
6.4
Voltaic Cells
electric currents from the batteries that
power the computer and the game
are generated by oxidation‑reduction
reactions. Buddy, who’s 15, has recently
become interested in studying Eastern
Philosophy. Just now, he’s gazing
meditatively out into space, but redox
reactions are powering his activity as
well; they are important for the storage
and release of energy in all our bodies.
Dad’s an engineer in charge of blasting a tunnel
under the bay for the city’s new rapid transit
project. Each of the explosions that he triggers
is created by oxidation‑reduction reactions. The
silverware he has just cleared from the table
is tarnishing due to redox reactions, and the
Oxidation-reduction reactions power
combustion of natural gas in the heater warming
ourselves and many of our tools and
the room is a redox reaction as well…
toys.
Review Skills
The presentation of information in this chapter assumes that you can already perform
the tasks listed below. You can test your readiness to proceed by answering the Review
Questions at the end of the chapter. This might also be a good time to read the Chapter
Objectives, which precede the Review Questions.
Determine the charge on a monatomic
Identify a chemical formula as representing
ion in an ionic formula. (Section 3.5)
an element, a binary ionic compound,
Determine the formulas, including the
an ionic compound with one or
charges, for common polyatomic ions.
two polyatomic ions, or a molecular
(Section 3.5)
compound. (Section 5.3)
207
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