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Acids
Objectives Describe the properties of acids.s Explain the process of ionization.s Identify common acids by formula.
Properties of Acidss Acids taste sour!s Acids conduct electricity! (electrolytes)s Acids have specific reactions with chem...
Demo: Carbonating Waters   Respiration:       C6H12O6 + O2 --> H2O + CO2s   When you breathe out, CO2 is dissolved in    t...
Ionization of Acidss   Acids always have Hydrogen in the front of their formula     – The “H” separates when the acid is m...
Common Acidss   Strong Acids       s HCl (Hydrochloric Acid) = found in your stomach!       s H SO (Sulfuric Acid) = Indus...
Car Batteries: Sulfuric Acid
Citrus Fruit: Citric Acid
Soda: Phosphoric Acid,Carbonic Acid, Citric Acid
Vinegar: Acetic Acid
Vitamin C: Ascorbic Acid
Scurvy: Not enough vitamin C
Aspirin: Acetylsalicylic Acid           (ASA)
Borax: Boric Acid
 Acids
 Acids
 Acids
 Acids
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Acids

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Basic Description of Acids, Ionization of Acids and Common Acids

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Transcript of " Acids"

  1. 1. Acids
  2. 2. Objectives Describe the properties of acids.s Explain the process of ionization.s Identify common acids by formula.
  3. 3. Properties of Acidss Acids taste sour!s Acids conduct electricity! (electrolytes)s Acids have specific reactions with chemicals called indicators – Common indicators s Bromthymol Blue + Acid = Yellow s Phenolphthalein + Acid = stays clear (no change) s Litmus + Acid = Red s Cabbage Juice + Acid = Red
  4. 4. Demo: Carbonating Waters Respiration: C6H12O6 + O2 --> H2O + CO2s When you breathe out, CO2 is dissolved in the water. When CO2 mixes with water it becomes carbonic acid which changes the color of the Bromthymol Blue to yellow! Bromothymol Blue Indicator Reaction
  5. 5. Ionization of Acidss Acids always have Hydrogen in the front of their formula – The “H” separates when the acid is mixed with water, becoming a “Hydrogen Ion” or “H+” – The H+ attaches to water molecules making H3O+ or a Hydronium Ion s H+ + H O -> H O+ 2 3 – The ions in solutions are why acids conduct electricity – The stronger the acid- the more complete the disassociation of H+ from the formula (see next)
  6. 6. Common Acidss Strong Acids s HCl (Hydrochloric Acid) = found in your stomach! s H SO (Sulfuric Acid) = Industrial uses, car batteries 2 4 s HNO3 (Nitric Acid) = Making TNT, making fertilizers.s Weak Acids s H2CO3 (Carbonic Acid) = Carbonating Beverages s H3BO3 (Boric Acid) = Washing eyes s HC2H3O2 (Acetic Acid) = Vinegar s H3C6H5O7 (Citric Acid) = Making soft drinks, found in fruit
  7. 7. Car Batteries: Sulfuric Acid
  8. 8. Citrus Fruit: Citric Acid
  9. 9. Soda: Phosphoric Acid,Carbonic Acid, Citric Acid
  10. 10. Vinegar: Acetic Acid
  11. 11. Vitamin C: Ascorbic Acid
  12. 12. Scurvy: Not enough vitamin C
  13. 13. Aspirin: Acetylsalicylic Acid (ASA)
  14. 14. Borax: Boric Acid
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