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Title: Solvents
Description: CHEMISTRY
March 16, 2021

LEARNING OBJECTIVES:
    1) Identify the parts of a solution (solute and solvent).
    2) Classify solvents: aqueous, tincture, amalgam, organic.
    3) Be able to apply the statement "like dissolves like" to a real world situation.
    4) Explain how factors (particle size, polarity, temperature, stirring) affect solubility.
    4) Know what an alloy is and how it differs from a compound.




  S O L U T I O N               Solute                 Solvent
  (homogeneous)           (gets dissolved)         (does the dissolving)

Solutions can be made from:
        liquid : liquid            (e.g. lemon juice in water)
        solid : liquid             (sugar crystals dissolved in water)
        gas :  gas                (air:  a solution of gases mixed evenly)
        gas : liquid               (carbon dioxide dissolved in pop)
        solid : solid              (alloys - mixtures of metals  (e.g. brass or pewter)

Solvents: 
     aqueous - dissolved in water
     tincture - dissolved in alcohol
     amalgam - dissolved in mercury
                            George Decker story (dental amalgam extraction)*Heavy Metal Poisoning

     organic - dissolved in carbon containing solvent

Polar vs. Non-polar solvents
     "like dissolves like"




Allow students to make Slime/Gluep polymer               Envirobond - oil absorber                      Man turns blue from ingesting silver



Teacher Note: 
PVA + PVA + PVA --> Polymer(sodium tetraborate aka borax = crosslinking agent)   
           Demo: (water, cyclohexane and glycerin) in test tube.  Add 1 drop of food coloring.
                              Purple muscle, lycopodium powder, orbitz drink, separatory funnel
Demonstrations: oil and water with food coloring, emulsification, tincture of iodine.
       

Adversity introduces a man to himself.

   -Anonymous



Homework: Read Article -  "Don't Sweat the Small Stuff"  Pg 11-13  pdf  and questions to accompany article.

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