click below
click below
Normal Size Small Size show me how
electrolytes and #'s
recycling numbers and electrolytes
| Question | Answer |
|---|---|
| polyethylene; | 1; plastic bags, bottles, electrical insulation, toys |
| polyvinylchloride | 3; plastic wrap, garden hoses, phonograph records, naugahyde |
| polyethylene | 4,plastic bags, bottles, electrical insulation, toys |
| polypropylene | 5; bottles, indoor-outdoor carpets |
| polystyrene | 6; packaging styrofoam, packing materials, cups, insulation |
| polyacrylonitrile | 7; yarn, carpets |
| polytertrafluoroethylene | 7; non-stick coating, electrical insulation |
| polyvinylacetate | 7; adhesives, paint, chewing gum, textiles (sizing) paper bags |
| 1-Polybuylene/2-Polybutylene | 7; plastic tubing |
| 3-Polybutadiene/Polyisoprene | 7; synthetic rubber |
| strong electrolytes (ionization) | compound almost completely ionizes |
| strong electrolytes | strong acids (H-); strong bases (-OH); soluble salts |
| Strong Acids | halogen acids, oxychloride acids, two others |
| halogen acids | HCl; HBr; HI |
| Oxychloride acids | HClO4 |
| Two other acids | H2SO4; HNO3 |
| strong bases | alkali metal hydroxide bases (not Fr); alkaline earth Metals hydroxides |
| alkali metal hydroxide bases | LiOH; NaOH; KOH; RbOH; CsOH; not Fr |
| alkaline earth Metals hydroxide base | Ba(OH)2 |
| weak electrolytes (ionization) | compounds partially ionizes |
| weak electrolytes | weak acids, weak bases, insoluble salts, carboxlic acids, quaternary amines |
| non-electrolytes | di-atomic molecules; organic molecules(except organic(carboxylic) acids and quats); molecular compounds |