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Chemicals
| Term | Definition |
|---|---|
| Chemical Reaction | Process that produces chemical change, resulting in new substances that have properties different from those of the original substances. |
| Reactant | Substances that exists before a chemical reaction begins. |
| Product | Substance that forms as a result of a chemical reaction. |
| Chemical Equation | Shorthand form for writing what reactants are used and what products are formed in a chemical reaction; shows whether energy is produced or absorbed. |
| Endothermic Reaction | Chemical reaction in which heat energy is absorbed. |
| Exothermic Reaction | Chemical reaction in which heat is released. |