Properties of Acids and Bases

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Presentation transcript:

Properties of Acids and Bases

Matter Elements Compounds Mixtures Metal Covalent Homogeneous Nonmetal Semimetal Noble Gas Covalent Ionic Homogeneous Solutions Heterogeneous Acid Base Salt

Electrolytes Electrolytes – conduct in water Acids: start with H+ Table K HCl, H2SO4

Electrolytes – conduct in water Bases: end with OH- Table L NaOH

Electrolytes Electrolytes – conduct in water Salts: metal + nonmetal  NaCl metal + polyatomic ion  KNO3 polyatomic ion + nonmetal  NH4Cl polyatomic ion + polyatomic ion  NH4NO3

Nonelectrolytes Molecules: nonmetal + nonmetal H2O, CH4 Exception  CH3COOH (acetic acid) - is an organic acid

(varies with strength) Acids and Bases Properties Acids Bases Taste Sour (vinegar) Bitter (baker’s chocolate) Conductivity Yes (varies with strength) Reaction Releases H2 -- Litmus Red Blue Phenophthalein Clear Pink Feel Slippery Ions H+ OH-