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ElectroChem Intro

cava chem 303 s2d60 6.01 Electrochemistry Intro

QuestionAnswer
Electrochemistry is the study of the relationship between chemistry and [...] Electrochemistry is the study of the relationship between chemistry and electricity
Reduction is when the [...] of something is reduced. Reduction is when the charge of something is reduced.
Oxidation is when the charge of something is [-ed]. Oxidation is when the charge of something is increased.
The first oxidation reactions studied all involved [...]; that's how it got it's name. The first oxidation reactions studied all involved oxygen; that's how it got it's name.
The only way to reduce the charge of a molecule is to add [...] to it. The only way to reduce the charge of a molecule is to add electrons to it.
The only way to increase the charge of a molecule is to take [...] away from it. The only way to increase the charge of a molecule is to take electrons away from it.
Reduction and [...] always occur together. Reduction and oxidation always occur together.
[...] is the short-hand way of saying 'reduction and oxidation' Redox is the short-hand way of saying 'reduction and oxidation'
Redox reactions can produce [...]. Redox reactions can produce electricity.
Redox reactions involve two [...]-reactions: a reduction reaction and an oxidation reaction. Redox reactions involve two half-reactions: a reduction reaction and an oxidation reaction.
Metals with a higher '[...] level' are oxidized more readily. Metals with a higher 'activity level' are oxidized more readily.
Metals with a higher 'activity level' will spontaneously donate electrons to metals with a [-er] activity level. Metals with a higher 'activity level' will spontaneously donate electrons to metals with a lower activity level.
When you look at an activity level table, picture the electrons flowing [-hill] spontaneously. If you want to push them uphill, you have to provide a power source. When you look at an activity level table, picture the electrons flowing downhill spontaneously. If you want to push them uphill, you have to provide a power source.
An electrochemical cell is like a simple battery; it either produces [...] from chemical reactions, or it uses [...] to power a chemical reaction. An electrochemical cell is like a simple battery; it either produces electricity from chemical reactions, or it uses electricity to power a chemical reaction.
electricity is the flow of [...] from one place to another. electricity is the flow of electrons from one place to another.
One use of an electrochemical cell is to [...] common metals with more expensive metals such as gold. One use of an electrochemical cell is to plate common metals with more expensive metals such as gold.
Created by: mr.shapard