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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 | substance that exist before chemical reaction occurs |
| product | substance that forms as a result of a chemical reaction |
| chemical equation | shorthand form of writing what reactions are used and what properties are formed in a chemical reaction |
| endothermic | chemical reaction in which heat energy is absorbed |
| exothermic | chemical reaction when heat energy is released |