SolventPart of the solution that is present in largest amount
and dissolves a solute
What liquid is called the “universal solvent”? WATER
Solvent - Solute - Solution
Solute
Part of solution present in lesser amount and dissolved by solvent
SolutionA well mixed mixture containing a solvent and at
least one solute that has the same properties throughout.
Tasty solution activity
Mixture
Made of two or more substances- elements, compounds or both- that are together in the same place but are not chemically combined.
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Heterogeneous Mixture
You can see the different parts
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Homogeneous Mixture
So evenly mixed that you can’t see the different parts
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Heat- transfer of energy
Exothermic- heat energy EXITS the system- ex. Combustion, burning
http://www.graspr.com/videos/potassium-permanganate-and-glycerine-2
SaltAn example of an exothermic reaction is the mixture of sodium metal and chlorine gas which yields table salt.
2Na(s) + Cl2(g) 2NaCl(s) + energyhttp://www.schooltube.com/video/2fa9cb3e39064832b31d/Reaction-of-Sodium-and-Chlorine
Endothermic- heat energy ENTERS the system- surroundings usually feel cooler
ex. Cold packs, melting ice
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