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Chap.14 Vocab
Chapter 14 Vocabulary
| Question | Answer |
|---|---|
| Chemical Reaction | the process by which one or more substances change to produce one or more different substances |
| precipitate | a solid that is produced as a result of a chemical reaction in solution |
| chemical formula | a combination of chemical symbolsand numbers to represent a substance |
| chemical equation | a representation of a chemical reaction that uses symbols to show the relationship between the reactions and the products |
| reactant | a substance or molecule that participates in a chemical recaction |
| product | the substance that forms in a chemical reaction |
| synthesis reaction | a reaction in which two or more substances combine to form a new compound |
| decomposition reaction | a reaction in which a single compound breaks down to form two or more simpler compounds |
| simple-displacement reaction | a reaction in which one element or radical takes place of another elementor radical compound |
| double-displacement reaction | a reaction in which a gas, a solid, a precipitate, or a molecular compound forms from the exchange of ions between two compounds |
| expthermic reaction | a chemical reaction 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 can't 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 cemical reaction |
| catalyst | a substance that changes the rate of a chemical reaction without being used up or changed very much |
| law of conservation of mass | the law that states that mass can'tbe createdor destroyed in ordinary chemicaland physical changes |
Created by:
AshleyCox
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