281263
| Question | Answer |
| solution | a mixture that forms when one substance dissolves another |
| solute | gets dissolved |
| solvent | does the dissolving |
| catalyst | a material that INCREASES the rate of a reaction: speeds it up |
| inhibitor | a material that DECREASES the rate of a reaction: slows it down |
| compound | a pure substance that is created by 2 or more elements chemically reacting and joining together |
| precipitate | an insoluble substance that is produced as a result of a chemical reaction |
| endothermic reaction | a chemical reaction in which heat energy is absorbed from the surrounding area (temp of area will decrease- get colder) |
| exothermic reaction | a chemical reaction in which heat energy is given off or released into the surrounding area (temp of area will increase- get hotter) |
| mixture | the physical combinations of 2 or more substances; can be separated by physical means |
| Law of Conservation of Mass | a law that states: matter cannot be created or destroyed during a chemical reaction. Mass of reactants = mass of products |
| pure substance | matter that has a specific composition (elements & compounds). CANNOT be separated by physical means. |
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