Bio 2.4-2.5 Vocab

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Last updated 6:36 PM on 11/7/22
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11 Terms

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Chemical Reactions
change substances into different substances by breaking and forming chemical bonds.
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Reactants
The substances that change during a chemical reaction.
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Products
The substances made by a chemical reaction.
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Bond Energy
The amount of energy that will break a bond between two atoms
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Equilibrium
When both the reactants and products are made at the same rate.
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activation energy
Energy needed to get a reaction started
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Exothermic
A chemical reaction that releases more energy than It absorbs.
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Endothermic
A chemical reaction that absorbs more energy than it releases.
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catalyst
substance that speeds up the rate of a chemical reaction and decreases the activation energy needed to start a chemical reaction.
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Enzymes
Catalysts for chemical reactions in living things
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Substrates
the reactants of enzyme-catalyzed reactions