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Unit 1 Vocab #2

TermDefinition
thermal energy The total kinetic energy of a substance's particles.
reactant A substance or molecule that participates in a chemical reaction.
product A substance that forms in a chemical reaction.
chemical reaction The process by which one or more substances change to produce one or more different substances.
change of state The change of a substance from one physical state to another.
chemical formula A combination of chemical symbols and numbers to represent a substance.
solid The state of matter in which the volume and shape of a substance are fixed.
liquid The state of matter that has a definite volume but not a definite shape.
gas A form of matter that does not have a definite volume or shape.
pressure The amount of force exerted per unit area of a surface.
chemical equations A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
Created by: user-1489774
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