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Chapter 2 - 2
vocabulary
| Question | Answer |
|---|---|
| ability to do work | energy |
| one or more substances change to produce one or more difficult substances | chemical reaction |
| the substance or molecule that participates in a chemical reaction | reactant |
| product that forms in a chemical reaction | product |
| sum of all chemical processes that occur in an organism | metabolism |
| the minimun amount of energy required to start a chemical reaction | activaion energy |
| substance that changes the rate of a chemical reaction without being consumed or changed significantly | catalyst |
| type of protien or RNA molecule that speeds up metabolic reactions in plant and animals without being permentaly changed or damaged | enzyme |
| reaction in which eletrons are transferred between atoms; also known as an oxidation-reduction reaction | redox reaction |
| chemical reaction in whicha reactant loses one or more electrons such that the reactant becomes more positivly charged | oxidation reaction |
| a chemical change in whic electrons are gained either by the removal of oxygen, the addition of hydrogen or the addition of electrons | reduction reaction |