1. Acids and Bases Chapter 24

2. Acids… Definition: When an acid dissolves in water, H+ ions (charger particles) are formed H+

3. Acids… H + ions join with H 2 O to form hydronium compounds H 3 O +

4. Acids… Properties of Acids: 1) tastes sour

5. Acids… Properties of Acids: 2) Corrosive- can eat away at metals

6. Acids… Properties of Acids: 3) Can make special compounds called INDICATORS change color. Litmus paper turns RED

7. Acids… Properties of Acids: 4) Can burn skin

8. Acids… Examples: Citric acid in fruit Lactic acid in milk Acetic Acid in Vinegar Stomach Acid Battery acid….

9. Acids… Dissociating (Breaking Up) in Water: HCl + H 2 O  H 3 O + + Cl-

10. Acids… Strength Strong acids are substances that completely dissociates in water to form as many H+ ions as possible

11. BASES… Definition: Forms OH- (hydroxide) in water and accepts H+ ions to make water –OH-

12. BASES… Properties of Bases: 1) tastes bitter

13. BASES… Properties of Bases: 2) NOT corrosive 3) Also reacts with indicators, LITMUS paper turns BLUE

14. BASES… Properties of Bases: 4) Can burn skin

15. BASES… Properties of Bases: 5) Feels slippery

16. BASES… Examples: Bleach, ammonia Borax Eggs Salt Water Some medicines like milk of magnesia Some other soaps

17. BASES… Dissociating (Breaking Up) in Water: NaOH + H 2 O  Na + (aq) + OH- (aq) Aq = in water (Aqueous)

18. BASES… Strength: Completely dissociates in OH- ions

19. Fit these Examples into the Acid/Base categories Tomatoes HNO 3 Magnesium oxide Mg(OH) 2 Oranges HCl Car battery NaOH Antacid Bleach Ammonia (NH 3 ) Italian Salad Dressing