Catalyst definitions Flashcards
Catalyst definitions
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Catalyst A substance that speeds up a chemical reaction by lowering activation energy without being consumed. Activation Energy The minimum energy required for reactants to transform into products in a chemical reaction. Energy Diagram A graphical representation showing the energy changes during a chemical reaction. Transition State The high-energy state between reactants and products in a chemical reaction. Reactants Substances present at the start of a chemical reaction that are transformed into products. Products Substances formed as a result of a chemical reaction. Uncatalyzed Reaction A chemical reaction occurring without the presence of a catalyst, typically with higher activation energy. Catalyzed Reaction A chemical reaction that occurs in the presence of a catalyst, characterized by lower activation energy. Energy Barrier The energy threshold that reactants must overcome to form products in a chemical reaction. Reaction Speed The rate at which reactants are converted into products in a chemical reaction.
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