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Chem Unit 8

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Rate   How fast something is happening  
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Products   Substance that is produced in a chemical reaction  
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Reactants   Substance that is consumed in a chemical reaction  
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Reaction Rate   Change in concentration of reactants or products over time  
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Activation Energy   Required to start a chemical reaction  
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Collision Theory   Atoms,ions, and/or molecules must collide with each other in order to react  
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Concentration   The amount of a given substance conatined within a given volume  
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Pressure   Measures concentration of a gas  
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Surface Area   More particles are available to collide/react  
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Temperature   Measure of average kinetic energy of molecules in a substance  
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Catalyst   Increases rate of a chemical reaction without being consumed by the reaction  
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Enzyme   A biological(protein) catalyst  
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Chemical Equilibrium   State in which the rate of the forward reaction is equal to the rate of the reverse reaction, no change in concentration of products or reactants  
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Reversible Reaction   A reaction that can occur in both the forward and reverse directions  
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Le Chatlelier's Principle   If a stress is applied to a system at equilibrium, the equilibrium will shift so as to tend to counteract the stress  
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Created by: boltrak
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