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Chapter 18- Oxidation Reduction Reactions(redox) and Electrochemistry Flashcards | StudBud
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Chapter 18- Oxidation Reduction Reactions(redox) and Electrochemistry
Chapter 18- Oxidation Reduction Reactions(redox) and Electrochemistry
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1
in other cases the electron transfer occurs in a different sense, such as in the combustion of
ethane
oxygen
propane
methane
2
the pressure on electrons to flow from one electrode to another in a battery is called..
energy
flow
potential
ionization state
3
electrochemistry is..
the study of electricty
the study of interchange if a chemical and electrical energy
the study for electrons in an atom
the study of electrons moving from one a tom to another
4
Redox move what between atoms?
neutrons
electrons
protons
smaller atoms
5
what do batteries have to do with oxidation-reduction reactions?
the batteries create energy
oxidation are in the two batteries
the batteries contain mercury and alkaline
the power generated results from oxidation-reduction
6
In some cases, redox occurs to form...
atoms
molecules
ions
elements
7
what do a forest fire and rusting steel have on common?
properties of oxidaton-reduction reaction
chemistry
chemical change
oxidation-reduction reaction
8
in an uncombined element the atoms are.....
neutral
uncharged
negative
charged
9
Oxidation is an
eliminates oxidation state
has no effect in oxidation state
increase in oxidation state
decrease in oxidation state
10
in 2O
2
+ 8e
-
--> CO
2
+ 2H
2
O each oxygen requires how many electrons?
1
2
3
4
11
one of the most electronegative element is
Cl
O
Au
Ar
12
reduction is a
has no effect in oxidation state
increase in oxidation state
decrease in oxidation state
eliminates oxidation state
13
cathodic protection protects
buried fuel
fuel tanks
water towers
buried pipelines
14
oxidation states are sometimes called..
oxidation agents
oxidation molecules
oxidation elements
oxidation numbers
15
oxidation is defined as....
a loss of electrons
a loss of protons
a gain of electrons
a gain of protons
16
reduction is defined as....
a loss of protons
a loss of electrons
a gain of electrons
a gain of protons
17
oxidize is commonly known as...
rusting
worn down
corrosion
natural state
18
Many redox reactions can be balanced readily by...
two-half reactions
google
looking at your friends paper
trial and error
19
the electrolysis of water to produce H and O occurs when a current is forced through an..
aqueous solution
gas
solid
nonmetal
20
electrochemisrty involves...
chemical
electrons
redox
electricity
