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chemical reactions
| Term | Definition |
|---|---|
| chemical reaction | The process by which one or more substance change to produce one or more different substances. |
| preciptate | A solid that is produced as a result of a chemical reaction in solution. |
| chemical formula | A combination of chemical symbols and numbers to represent a substance. |
| chemical equation | A representation of a chemical reaction that uses symbols to show the relationship between the reaction and the products. |
| reation | A substance or molecule that participates in chemical reaction. |
| product | A molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body. |
| law of conservation of mass | the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. |
| synthesis reaction | A reaction in which two or more substance combine to from a new compound. |
| decomposition reacton | a reaction in which a single compound breaks down to from two or more simpler substance. |
| single displacement reaction | a reaction in which one element takes the place of another element in a compound. |
| double displacement reaction | a reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds. |
| exothermic reaction | a chemical reaction in which heat is released to the surroundings. |
| law of conservation of energy | the law that states that energy cannot be created or destroyed but can be changed from one from to another. |
| activation energy | the minimum amount of energy required to start a chemical reaction. |
| inhibitor | a substance that slows down or stops a chemical reaction. |
| catalyst | a substance that change the rate of a chemical reaction without being used up or change very much. |