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Spa Science

Ch.5 Terms

Spa ScienceCh. 5
Atom the smallest particle of an element that still retains he properties of the element
Chemical Change Change in the chemical composition of a substance, in which a new substance or substances are formed having properties different from the original
Chemical Properties Those characteristics that can only be determined with a chemical reaction and that cause a chemical change in the identity of the substance
Chemistry Science that deals with the composition, structures, and properties of matter, and how matter changes under different chemical conditions
Combustion Rapid oxidation of any substance, accompanied by the production of the heat and light
Compound combination of two or more atoms of different elements inited chemically with a fixed chemical composition, definite properties, and distinct properties
Compound Molecules chemical combinations of two or more atoms of different elements
Emulsion Mixture of two or more immiscible substances united with the aid of the binder or emulsifier
hydrogen colorless, odorless, tasteless gas; the lightest element known
hydrogen peroxide compound of hydrogen and oxigen; a colorless liquid with a characteristic odor and a slightly acid taste
Hydrophilic Capable of combining with or attracting water
Immiscible not capable of being mixed
inorganic chemistry branch of chemistry dealing with compounds lacking carbon
lipophilic Having an affinity or attraction to fat and oils
Matter any substance that occupies space, has physical and chemical properties, and exist in the form of a solid, liquid, or gas
Miscible capable of being mixed with another liquid in any proportion without seperating
mixture combination of two or more substances united physically, not chemically, without a fixed composition and in any proportions
molecule two or more atoms joined chemically
nitrogen colorless, gaseous element found free in the air; constitutes about four-fifths of the air
oil-in-water emulsion oil droplets suspended in a water base
Organic Chemistry study of substances that contain carbon
Oxidation chemical reaction that combines an element or compound with oxygen to produce an oxide
Oxidize to combine or cause an element combine with oxygen
Oxidizing Agent substance that releases oxygen
Oxygen the most abundent element found both free and in compounds
pH Relative degree of acidity and alkalinity of a substance without the formation of a new substance
Physical change change n the form or physical properties of a substance without the formation of the new substance
Physical Properties those characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the identity of the substance
Redox contraction for the reduction-oxidation; chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
Reduction the substance of the oxygen from, or the addition of hydrogen to, a substance
Solute the dissolved substance in a solution
Solution blended mixture of two or more solids, liquids, or gaseous substances
Solvent substance, usually liquid, which dissolves another substance to form a solution, with no change in chemical composition
Surfactants surface active agents; substance that act as a bridge to allow oil and water to mix, or emulsify
Suspension state in which solid particles are distributed throughout a liquid medium
water most abundant of all substances, comprising about 75 percent of the earth's surface and about 65 percent of the human body
water-in-oil emulsion droplets of water suspended in oil base
element the simplest form of matter; cannot be broken down into simpler substance without loss of identity
Elemental molecules molecules that contain two ro more atoms of the same element that are untied chemically
Created by: KLeonard