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18 Cards in this Set
- Front
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A chemical rxn in which there is a transfer of electrons from one reactant to another reactant |
Redox Reaction |
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A chemical txn in which there is no transfer of electrons from one reactant to another reactant |
Nonredox |
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A number that represents the charge that an atom appears to have when the electrons in each bond it is participating in are assigned to the more electronegative of the two atoms involved in the bond |
Oxidation number |
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Loss of electrons |
Oxidation |
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Gain of electrons |
Reduction |
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Causes oxidation by accepting electrons from another reactant |
Oxidizing agent |
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Causes reduction by providing electrons for the other reactant to accept |
Reducing agent |
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Summarizes the conditions required for a chemical reaction to take place |
Collision Theory |
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Reactants molecules must collide with each other |
Molecular collision |
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The colliding reactants must possess a certain mininum amount of energy |
activation energy |
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Colliding reactants must be oriented in a specific way of the reaction is to occur |
Collision orientation |
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Chemical rxns released energy as the rxn occurs |
Exothermic |
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Chemical rxn requires an input energy as the rxn occurs |
Endothermic Chemical Rxn |
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The speed at which reactants are converted to products |
Chemical reaction rate |
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Factors affecting rxn rate |
-physical nature of the reactants -reactant concentrations -rxn temperature -presence of catalyst |
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State wherein the rate of the forward rxn is equal to the rate of reverse reaction |
Chemical equilibrium |
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Relates the concentrations of reactants and products at equilibrium |
Equilibrium constant |
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States that when a stress is applied to a system in equilibrium, the system will readjust in the direction best reduces the stress imposed on it |
Le Châtelier's Principle |
