Ch 6 Chemistry & Chemical Safety

A pH above 7 indicates an acidic solution.

a chemical combination of matter in definite proportions

unstable physcial mixtures of undissolved particles in a liquid

cahracteristics that can be determined without a chemical reaction adn that do not cause a chemical change

the head of the surfactant molecule is hydrophilic, while the tail is lipophilic

Basic unti of matter

Without an understanding of basic chemistry, they will be able to use professional products safely

the substance that dissolves the solute and makes a solution

Lipophilic is capable of combining with or attracting water (water loving)

alcohols that evaporate easily

alkaline substances used to neutralize acids or raise the pH of many hair products

a physcial cobination of matter in any proportion

a stable, uniform mixture of two or more subtances

evaporate easily, such as isopropyl alcohol and ethyl alcohol

A chemical combination of two or more atoms in definite proportions

Hydrophilic is having an affinity for an attraction to fat and oils (oil loving)

Neutralizing shampoos and normalizing lotions used to meutralize hair relaxrs work by causing

a change in the chemical composition or makeup of a substance

Pure (distilled) water has a pH of 7, which is an equal balance of

A pH below 7 indicates an alkaline solution.

an ingredient that brings 2 normally incompatible materials together & binds them into a uniform & fairly stable mixture

Mayonnaise is an example of an ____ of two immiscible liquids

liquids that are mutually soluble, meaning that they can be mixed together to for stable solutions

a change in the form of physical properties of a substance without a chemical reaction r the creation of a new substance

the substance that is dissolved in a solution

Everything you can touch and see, even light and electricity is matter

There are ____ elements known to science today, ____ occur naturally on Earth

contain carbon and evaporate very easily

A colorless liquid or white crystals with a strong, unpleasant odor that is used in permanent waving solutions

science that deals with the composition, structures, and properites of matter and how matter changes

A pH of 7 is a neutral solution.

liquids that are not capable of being mixed together to form a stable solutions

an abbreviation of potential hydrogen is often mentioned when talking about beauty products

an unstable physcial mixture of 2 or more immiscible substances (normally will not stay mixed)

Creams, lotions, masks, and makeup are made from chemicals

characteristics that can be determined only by a chemical reaction and a chemical change in the substance