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the amount of matter in a given space


the ability of one substance to dissolve in another at a given temperature and pressure.

melting point

the temperature at which a substance changes from a solid to a liquid

boiling point

the temperature at which a substance changes from a liquid to a gas

specific heat

the heat required to raise the temperature of one gram of a substance one degree centigrade


mixture of two or more substances in which the molecules of the substances are evenly distributed

physical change

a change in a substance that does not involve a change in the identity of the substance

chemical change

a change in which one or more substances combine or break apart to form new substances

chemical reaction

the process by which one or more substances change to produce one or more different substances


A SOLID THAT FORMS from a solution during a chemical reaction


the elements or compounds that enter into a chemical reaction


element or compound produced by a chemical reaction

Law of Conservation of Matter

a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system

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