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chem 9 vocab
| Term | Definition |
|---|---|
| chemical equation | a statement using chemical formulas to describe the identities and relative amounts of the reactants and products involved in the chemical reaction |
| chemical reaction | the process by which the atoms of one or more substances are rearranged to form different substance; occurrence can be indicated by changes in temperature, color, odor, and physical state |
| coefficient | in a chemical equation, the number written in front of a reactant or product; in a balanced equation it describes the lowest whole number ratio of the amounts of all reactants and products |
| product | a substance formed during a chemical reaction |
| reactant | the starting substance in a chemical reaction |
| combustion reaction | a chemical reaction when a substance reacts with oxygen, releasing energy in the form of heat and light |
| decomposition reaction | a chemical reaction that occurs when a single compound breaks down into two or more element compounds |
| double replacement reaction | a chemical reaction that involves the exchange of ions between two compounds and produces either a precipitate, a gas, or water |
| precipitate | a solid produced during a chemical reaction in a solution |
| single replacement reaction | a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound |
| synthesis reaction | a chemical reaction in which two or more substances react to yield a single product |
| aqueous solution | a solution in which the solvent is water |
| complete ionic equation | in a solution as they realistically exist in a solution as they realistically exist |
| net ionic equation | an ionic equation that includes only the particles that participate in the reaction |
| solute | one or more substances dissolved in a solution |
| solvent | the substance that dissolves a solute to form a solution; the most plentiful substance in the solution |
| spectator ion | ion that doesn’t participate in a reaction |
Created by:
Patti_lover20
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