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Term | Definition |
---|---|
chemical reactions | change substances into different substances by braking and forming chemical bonds. |
reactants | substances that are changed during a chemical reaction. |
products | substances made by a chemical reaction. |
bond energy | amount of energy it takes to break a bond between two atoms. |
equilibrium | when both the reactants and products are made at the same rate. |
activation energy | amounts of energy tha needs to be absorbed for a chemical reaction to start. |
catalyst | substance that decreases the activation energy. |
enzymes | catalysts for chemical reactions in living things. |
substrate | reactant in a chemical reaction upon which an enzyme acts. |