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Chemical Formula
| Term | Definition |
|---|---|
| chemical reaction | process that produces chemical chanf, resulting in new substances that have properties different from the original substance |
| reactant | substance that exists before a chemical reaction begins |
| product | substance that forms as a result of the chemical reaction |
| chemical equation | shorthand form for writing what reactants are used and what products are formed in a chemical reaction; sometimes shows whether energy is produced or absorbed |
| endothermic reaction | chemical reaction in which heat energy is absorbed |
| exothermic reaction | chemical reaction in which heat energy is released |