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chem 4/27/26
| Question | Answer |
|---|---|
| decomposition | a reaction in which a compound breaks down into two or more elements or new compounds |
| a number written in front of a chemical formula | coefiicient |
| precipitate | a solid produced during a chemical reaction in a solution |
| aqueous solution | a solution in which the solvent is water |
| a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction | chemical equation |
| complete ionic equation | an equation that shows all of the particles in solution as they actually exist |
| solute | a substance dissolved in a solution |
| net ionic equation | an equation that includes only the particles that participate in the reaction |
| spectator ion | an ion that is present but does not participate in a reaction |
| a reaction in which oxygen combines with a substance and releases heat and light energy | combustion |
| single replacement | a reaction in which the atoms of the element replace the atoms of another element in a compound |
| double replacement | a reaction involving the exchange of positive ions between two compounds dissolved in water |
| chemical reaction | the process by which the atoms of one or more substances are rearranged to form different substances |
| reactants | a starting substance in a chemical reaction |
| product | a substance formed during a chemical reaction |
| synthesis | a reaction in which two or more substances react to produce a single product |
| the most plentiful substance in a solution | solvent |
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