click below
click below
Normal Size Small Size show me how
Chemical Reactions
Question | Answer |
---|---|
Chemical reaction | the process in which one or more substances change to produce new substances. |
precipitate | a solid that's produced by chemical reactions |
chemical formula | a combination of #'s & symbols to represent a substance |
chemical equation | a representation of a chemical reaction using symbols |
reactant | a substance or molecule that participates in a reaction |
product | a substance that forms in a reaction |
law of conservation of mass | the law that states that mass cannot be created or destroyed |
synthesis reaction | a reaction in which two or more substances combine to make new substances |
decomposition reaction | a reaction in which a substance is broken-down |
single-displacement reaction | a reaction in which one element takes place of another |
double-displacement | a reaction in which a gas, or a solid precipitate or a molecular compound formed |
exothermic reaction | a chemical reaction in which heat is realesed. |
endothermic reaction | a chemical reaction that requires heat |
law of conservation of energy | a law that states that energy cannot be created or destroyed |
activation energy | the mimum amount of energy |
inhibitor | a substance that slows down a reaction |
catalyst | a substance that speeds up a reaction |