Term
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Definition
| short lived unstable arrangement of atoms that can break apart and re-form the reactants or can form products; also sometimes referred to as the transition state |
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Term
| What is activation energy? |
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Definition
| the minimum amount of energy required in order to form the activated coplex and lead to a reaction |
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Term
| What is the collision theory? |
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Definition
| atoms, ions, and molecules must collide in order to react |
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Term
| What is the reaction rate? |
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Definition
| the change in concentration of a reactant or product per unit of timee |
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Term
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Definition
| something that speeds up the reaction rate but isn't used up in the reaction |
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Term
| What is a heterogeneous catalyst? |
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Definition
| catalyst that exists in a different physical state than the reaction |
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Term
| What is a homogeneous catalyst? |
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Definition
| catalyst that exists in the same physical state as the reaction |
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Term
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Definition
| something that slows down or stops the reaction |
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Term
| What is the Method of Initial Rates? |
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Definition
| determines reaction order by comparing the initial rates of a reaction carried out with varying reactant concentrations |
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Term
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Definition
| expresses the relationship between the rate of a chemical reaction and the concentration of the reactants |
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Term
| What is the reaction order? |
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Definition
| defines how the rate is affected by the concentration of the reactant |
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Term
| What is the Specific Rate Constant? |
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Definition
| a numerical value that relates the reaction rate and the concentrations of reactants at a given temperature |
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Term
| What is the complex reaction? |
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Definition
| a reaction that has 2 or more elementary reactions that make it up |
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Term
| What is an instantaneous rate? |
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Definition
| rate of change in concentration as it relates to one specific point in time on the graph |
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Term
| What is the intermediate? |
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Definition
| substance that is produced in one elementary step and consumed in a subsequent elementary step |
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Term
| What is the rate determining step? |
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Definition
| slowest elementary step in a coplex reaction |
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Term
| What is the reaction mechanism? |
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Definition
| complete sequence of elementary steps that mek up a complex reaction |
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Term
| What are the units for a reaction rate? |
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Definition
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Term
| What is the unit for a constant? |
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Definition
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Term
| What isthe unit for a concentration? |
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Definition
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Term
| What order is the concentration in if the initial rate doubles? |
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Definition
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Term
| What thing on the graph does instantaneous rate equal? |
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Definition
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