Pregunta | Respuesta |
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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