Chem Test 3 Stack Word Scramble
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Term | Definition |
Average Rate | Change in concentration of a reactant or product divided by change in time |
Instantaneous Rate | Rate at a particular moment |
Initial Rate | Rate at the instant a reaction begins |
Experimental Rate Law | The dependence of the observed rate of a reaction on the concentrations of various species |
Rate Constant | k |
Orders | Power of the concentration of a specie |
Overall Reaction Order | Sum of all the orders |
Half-life | Time it takes for the concentration of a reacting species to fall to half its initial value |
Elementary Step | Direct collisions of atoms, ions, or molecules |
Unimolecular | One atom elementary step |
Bimolecular | Two atoms colliding in an elementary step |
Termolecular | Three molecules colliding in an elementary step |
Mechanism | A series of elementary steps that add to give the overall reaction |
Principle of Detailed Balance | At equilibrium, the rate of every elementary step in a reaction mechanism equals the rate of its reverse |
Intermediates | Cancelled out molecules |
Chain Reaction | A reaction involved in three steps |
Initiation | First step of Chain Reaction |
Propagation | Second Step of Chain Reaction (Conversion steps) |
Termination | Last step of Chain Reaction |
Arrhenius Equation | ln k = ln A - Ea/RT |
Inhibitors | Opposite effect of catalyst |
Homogeneous | Catalyst in same phase |
Heterogeneous | Catalyst in different phase |
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