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.
In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition. Although we call them physical reactions, no reaction is actually occurring.