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Vocab 5.1
vocab
| Term | Definition |
|---|---|
| Chemical reaction | Is a process in which atoms of one or more substances rearrange to form one or more new substances. |
| Chemical equation | Is a description of a reaction using element symbols and chemical formulas |
| Reactants | The starting substances in a chemical reaction are reactants |
| Products | The substances produced by the chemical reaction are products |
| Law of conservation of mass | States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction. |
| Coefficient | Is a number placed in front of an element symbol or chemical formula in an equation. |
| synthesis | Is a type of chemical reaction in which two or more substances combine and form one compound |
| Decomposition | reaction, one compound breaks down and forms two or more substances. |
| Single-replacement | reaction, one element replaces another element in a compound |
| double-replacement | reaction, the negative ions in two compounds switch places, forming two new compounds |
| Combustion | is a chemical reaction in which a substance combines with oxygen and releases energy |