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Cha 14
Question | Answer |
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chemical reaction | the process by which one or more substances chang 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 symbols and numbers to represent a substance |
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 created or destroyed in ordinary and physical changes |
synthesis reactiion | a reaction in which two or more substances combine to form a new compound |
decomposition raction | a reaction in which a single compound breaks down to form two or more simpler substances |
single-displacement reacion | a reaction in which one element or radical takes the place of another element or radical 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 reacion | a chemical reaction in which heat is released to the sorroundings |
endothermic reactiion | a chemical reaction that requires heat |
Law of consservation of energy | the law that states that enery cannot be create or distroyed but can be changed from one form to another |
Activation Energy | the minimun amount of energy required to start a chemical reaction |
Inhibitor | a substance that slows down or stops a chemical reaction |
Catalyst | a substace that changes the rate of a chemical raction with-iut being used up or changed very much |