Cornell Notes
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2Ch. 23 Chemical Reactions Cornell Notes Name __________________ # ____
Date ______________
What is a chemical reaction?
Chemical reaction=
Example:
“The things you start with yield the things that you make.”
Anatomy of a Chemical Reaction
How do chemical reactions occur?
All chemical reactions need ________________ to occur.
Activation energy =
Some reactions are __________________ and don’t need a lot of energy
to occur.
Other reactions are very slow and require the use of a
_____________________ to take place more quickly.
What is the difference between
Exothermic (exo=outside)=
an endo and exothermic rxn?
Endothermic (endo=inside)=
What are the signs a chemical 1.
4.
reaction has occurred?
2.
5.
3.
“make something new”
What are the 5 basic types
1.
“break down”
of chemical reactions?
2.
“one switcheroo”
3.
“two switcherooes”
4.
“burn baby burn”
5.
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