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2.4 & 2.5 Vocab
2.4 Vocab
Term | Definition |
---|---|
Chemical Reaction | process by which substances change info different substances through the breaking and forming of chemical bonds |
Reactant | substance that is changed by a chemical reaction |
Product | substance formed by a chemical reaction |
Bond Energy | amount of energy needed to break a bond between two particular atoms; or the amount of energy released when a bond forms between two particular atoms |
Equilibrium | condition in which reactants and products of a chemical reaction are formed at the same rate |
Activation Energy | energy input necessary to initiate a chemical reaction |
Exothermic | chemical reaction that yields a net release of energy in the form of heat |
Endothermic | chemical reaction that requires a net input of energy |
Catalyst | substance that decreases activation energy and increases reaction rate in a chemical reaction |
Enzyme | protein that catalyzes chemical reactions for organisms |
Substrate | reactant in a chemical reaction upon which an enzyme acts |