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| Activation Energy (Activation Barrier) |
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Definition
| kinetic energy that reactant molecule must have to allow them to reach the transition state so a reaction can occur. |
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Definition
| studyof rates & mechaics of chemical reactions & factors on which they depend. |
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Definition
| relatively high-energ state in which bonds in reactant molecules are partially broken |
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Definition
| change in concentration of a reactant or product per unit of time. |
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Definition
| slowest elementary step in a reaction mechanism; limits overall rate. |
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Term
| Order of a Reaction (Overall Order of a Reaction) |
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Definition
| sum of the powers to which all concentrations are raised in the rate-law expression |
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Term
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Definition
| catalyst that exists in a different state (gas, liquid, solid) than the reactants. Most are solids. |
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Definition
| catalyst that exists in the same state (gas, liquid, solid) as the reactants. |
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Definition
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Definition
| collison between molecules that result in a reaction; proper orientation and enough energy |
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Term
| 4 Factors that affect reaction rate |
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Definition
| Temperature, Presence of a Catalyst, Concentration, Nature |
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Term
| 3 Experimental methods for finding rates of reaction: |
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Definition
| Titration, Spectroscopy, Measuring change in pressure |
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Term
| How do catalysts speed up a reaction? |
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Definition
| By lowering the Active Energy |
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Term
| 4 Steps of a Heterogenous Catalyst |
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Definition
| Adsorption, Activation, Reaction, Desorption |
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Term
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Definition
| 1/2 of original reactant to be used |
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