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Soap

Fatty acid molecules consist of a polar head and a non-polar tail, therefore they are suitable for removing fat stains.

Chemistry

Keywords

soap, washing, hygiene, soap making, micelle, monomolecular layer, surfactant, fatty acid, carboxylic acid, water-soluble part, hydrophilic, hydrophobic, water repellent, fat-soluble, fat stain, fat, foaming, cleaning effect, polar, nonpolar, like dissolves like, amphipathic, detergent, organic chemistry, chemistry

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Questions

  • Which part of the molecule is non-polar?
  • Which part of the molecule is hydrophobic?
  • Which part of the molecule is polar?
  • Which part of the molecule is hydrophilic?
  • Which part of the molecule is hydrophobic?
  • Which part of the molecule is water-soluble?
  • Which part of the molecule is fat-soluble?
  • Which part of the molecule is surrounded by water molecules?
  • Which part of the molecule attaches to glycerine in fat molecules?
  • Which part of the molecule is anionic?
  • Which part of the molecule does NOT contain any carbonyl groups?
  • Which part of the molecule contains a double bond?
  • Which part of the molecule contains an unsaturated bond?
  • Which part of the molecule do cations attach to in solid soap?
  • Which part of the molecule does NOT contain any carboxyl groups?

Scenes

Fatty acid molecule

  • hydrophilic (water-soluble) part
  • hydrophobic (fat-soluble) part

Micelle

Removing a fat stain

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