How Much Does Car Paint Cost. A car paint cost will vary depending on several factors. There are slight differences with the different types of car paint used for an auto car paint job.
II. Vocabulary: 1  Physical Reaction: The matter stays the same, but change in size, shape, or appearance. 2  Chemical Reaction: The matter changes to a different kind of matter, or change in color. 3  Concentration: amount of substance dissolved in a certain amount of solvent.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: chemical reaction, reaction (noun). (chemistry) a process in which one or more substances are changed into others.there was a chemical reaction of the lime with the ground water. reaction (noun).rinceton's WordNet (0.00 / 0 votes) Rate this definition: chemical reaction, reaction (noun). (chemistry) a process in which one or more substances are changed into others.