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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 is produced as a result in 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 a molecule that participates in a chemical reaction |
Product | A substance that forms in a chemical reaction |
Law of Conservation of Mass | The law that states that mass can't be created or destroyed in ordinary chemical and physical changes |
Synthesis Reaction | A reaction in which two or more substances combine to form a new compound |
Decomposition Reactions | A reaction in which a single compound breaks down to form two or more simple substances |
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 surrondings |
Endothermic Reaction | A chemical reaction that requires heat |
Law of Conservation of Energy | A law that states that energy can't be created or destroyed but can bee changed from one form to another |
Activation Energy | The minimum amount of energy required to start a chemical reaction |
Inhibitior | 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. |