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Chemical Reactions
Term | Definition |
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Chemical Reaction | the process by which one or more substances change to produce one or more different substances. |
Precipitate | a solid that 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 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 an ordinary chemical and physical changes |
synthesis reaction | a reaction in which two or more substances to combine form a new compound |
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 |
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 |
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 change the rate of a chemical reaction without being used or changed very much |