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### 9 Cards in this Set

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 What affects the rates of reactions? 1. nature of reactants 2. concentration of reactants 3. temperature 4. presence of a catalyst What is the difference between kinetics and thermodynamics? thermo- deals with final and initial states, compares free energy of reactants and products, ideal case assumes everything can find its lowest energy state Kinetics- deals with pathway between, how long does it take to convert reactants to products Using the equation H2 + O2 →2H2O and assuming the rate of consumption of H2 is x, what is the rate of consumption of O2 and the rate of production of H2O in terms of x? x = 1/2x = x What is reaction rate? change in concentration/time When using the concentration of reactants and products table as a function of time of the reaction do the times need to be close together? yes they do Do rate constant and rate change with concentration? No rate changes, but rate constant doesn't. What 3 things are included in a rate expression? rate constant, reaction order, concentration ^rate law only includes reactants True What is the Arrhenius Law? k = A e^-Ea/RT