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CRIntPhysSciCh7Vocab
| Question | Answer |
|---|---|
| a substance or molecule that participates in a chemical reaction; the substance that undergoes the change | reactant |
| a substance that forms in a chemical reaction | product |
| the energy released when a chemical compound reacts to produce new compounds | chemical energy |
| a chemical reaction in which energy is released to the surroundings as heat | exothermic reaction |
| a chemical reaction that requires energy input | endothermic reaction |
| a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products | chemical equation |
| reaction in which multiple substances combine to form a new compound | synthesis reaction |
| reaction in which substances are broken apart | decomposition reaction |
| reaction in which oxygen is a reactant and at least one product contains oxygen atoms | combustion reaction |
| reaction in which a single element replaces an element in a compound that is similar (and less reactive) | single-replacement reaction |
| reaction in which two compounds in solution appear to exchange ions | double-replacement reaction |
| is substance that changes the rate of a chemical reaction without being consumed or changed significantly; speeds up a reaction | catalyst |
| substance that slows a reaction | inhibitor |
| a type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed | enzyme |