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Chemistry exam 2

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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Question
Answer
Kinetics   how fast a reaction occurs; energy in movement  
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Activation Energy   minimum energy to start a reaction  
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catalyst   a reaction by lowering the activation energy  
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Le Chatelerie's principle   if stress is applied to a system equillibrium then the system will respond in such a way to off et the stress applied  
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equilibrium   when speed or rate of the forward reaction equals the speed or rate of the reverse reaction  
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Kc   concentration of the products at equillibrium over concentration of reactants at equilibrium  
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Kp   pressure of products at equilibrium over pressure of reactants at equilibrium  
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rate   speed of a reaction  
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homogenous catalyst   reactants and products are in the same phase  
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heterogenous catalyst   reactants and products are in different phases  
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half life   the amount of time that it takes for an isotope to decrease one half life its original concentration  
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