COS 113, Chapter 12

Fatty Alcohols

Alcohols that do not evaporate easily.

Volatile Alcohols

Alcohols that evaporate easily.

Alkanolamines

Alkaline substances to neutralize acids or raise the pH of many hair products.

Nitrogen

An example of an element.

Ammonia

Colorless gas with a pungent odor that is composed of hydrogen and nitrogen.

Volatile Organic Compounds

Compounds that contain carbon and evaporate very easily.

Table salt

Example of a compound molecule.

Haircolor

Example of a reducing agent.

Ozone

Example of an elemental molecule.

Hydrogen peroxide

Example of an oxidizing agent.

Water and oil

Example of immiscible liquids.

Water and alcohol

Example of miscible liquids.

Electron

Particle with a negative charge.

Combustion

Rapid oxidation of a substance, accompanied by the production of heat and light.

Silicones

Special type of oil used in hair conditioners, water-resistant lubricants for the skin and nail polish dryers.

Proton

Subatomic particle with a positive charge.

Neutron

Subatomic particle with no charge.

Solvent

Substance that dissolves another substance into a solution.

Solute

Substance that is dissolved into a solution.

Glycerin

Sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams.