1 acids and bases

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1 acids and bases

  1. 1. Acids and Bases
  2. 2. <ul><li>Acid- a substance that produces hydrogen ions (H + ) in a water solution. </li></ul><ul><li>Taste sour </li></ul><ul><li>Corrosive </li></ul>
  3. 3. <ul><li>Litmus paper in acids will turn/stay red. </li></ul><ul><li>When an acid dissolves in water, H + ions interact with water molecules to form hydronium ions H 3 0 + </li></ul>
  4. 4. <ul><li>Common Acids </li></ul><ul><li>Acetic Acid , CH 3 COOH Vinegar </li></ul><ul><li>Acetylsalicylic Acid </li></ul><ul><li>Asprin </li></ul><ul><li>Carbonic Acid, H 2 CO 3 Carbonated Drinks </li></ul><ul><li>Hydrochloric Acid, HCl Gastric Juices </li></ul>
  5. 5. <ul><li>Nitric Acid, HNO 3 Fertilizers </li></ul><ul><li>Sulfuric Acid, H 2 SO 4 Manufacture fertilizers </li></ul><ul><li>Phosphoric Acid, H 3 PO 3 </li></ul><ul><li>Fertilizers, detergents & soft drinks </li></ul>
  6. 6. <ul><li>Base - a substance that forms hydroxide ions (OH - ) in water. </li></ul><ul><li>Opposite of acids. </li></ul><ul><li>Solids </li></ul><ul><li>Feel slippery </li></ul><ul><li>Bitter </li></ul>
  7. 7. <ul><li>Litmus paper in bases will turn/stay blue. </li></ul>
  8. 8. <ul><li>Common Bases </li></ul><ul><li>Ammonia, NH 3 Cleaner, fertilizer </li></ul><ul><li>Aluminum Hydroxide, Al(OH) 3 Antacid </li></ul><ul><li>Magnesium Hydroxide,Mg(OH) 2 </li></ul><ul><li>Milk of Magnesia </li></ul><ul><li>Sodium Hydroxide, NaOH </li></ul><ul><li>Soap, Oven Cleaner & Draino </li></ul>
  9. 9. <ul><li>Strength of Acids and Bases </li></ul><ul><li>Strong Acid- An acid that completely breaks down in solution…releasing H + ions </li></ul><ul><li>Ex: Hydrochloric, Sulfuric & Nitric Acid </li></ul><ul><li>Weak Acid- An acid that partly breaks down in solution. </li></ul><ul><li>Ex: Acetic and Carbonic Acid </li></ul>
  10. 10. <ul><li>Strong Base- A base that completely breaks down in a solution…releasing OH - ions. </li></ul><ul><li>Ex: Ammonia </li></ul><ul><li>Weak Base- A base that partly breaks down in a solution. </li></ul><ul><li>Ex: Sodium hydroxide </li></ul>

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