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| the process by which one or more new substances is formed by the rearranging of atoms and chemical bonds |
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| the process of changing a substance from a liquid to a gas and then allowing it to become a liquid again for the purpose of purifying the substance |
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| evaporation of a substance directly from a solid to a gas without becoming a liquid |
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| temperature at which a gas becomes a liquid |
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| the energy stored within atoms and molecules that can be released when a substance takes place in a chemical reaction |
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| anaerobic pathway of cellular respiration that dows not use oxygen and converts pyruvate to either lactic acid or ethyl alcohol and carbon dioxide |
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| a mixture of two or more pure substances that are uniformly mixed such that an observer cannot distinguish one substance from another |
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| the substance that dissolves another substance |
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| a homogeneous mixture of two substances that can be a solid, liquid, or gas |
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| the substance that is dissovled in another substance |
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| substance that is made up of more than one kind of atom |
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| a space empty of matter including gas |
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| the temperature at which a solid will become a liquid |
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| a change in which the physical properties of a substance are altered, but the chemical properties stay the same |
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| the production of a chemical reaction by passing an electric current through a liquid that contains postive and negative ions |
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| material that speeds up a chemical reaction without being used itself |
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