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Chapter 14 vocab.
| Question | Answer |
|---|---|
| precipitate | a solid that is produced as a result of a chemical raction in solution |
| chemical reaction | the process by which one or more substances change to produce one or more different substances |
| chemcical formula | a combination of chemical symbols and numbers to represent a symbol |
| chemical equation | a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products |
| reactant | a substance or molecule that participates in a chemical reaction |
| product | the substance that forms in a chemical reaction |
| law of conservation of mass | the law that states that mass cannot be createsd or destroyed in ordinary chemical and physical changes |
| synthesis reaction | a reaction in which two or more substances combine to form a new compund |
| decomposition reaction | a reaction in which a single compound breaks down to form two or more simpler substances |
| single-displacement reaction | a reaction in which one element or radical takes the place of another element or radical in a compound |
| doubl-displacement reaction | a reaction in which gas, a solid, precipitate, or a molecular compound forms from the exchange of ions between two compounds |
| exothermic reaction | a chemical reation in which heat is released to the surroundings |
| endothermic reaction | a chemical reaction that requires heat |
| law of conservation of energy | the law that states that energy cannot be created or destroyed but can be changed from one form 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 changes the rate of a chemical reaction without being used up or changed very much |
Created by:
kwebb
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