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ANTHR487 (13)
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Department
Anthropology
Course
ANTHR487
Professor
Lesley Harrington
Semester
Fall

Description
Position of Equilibrium = collection of concentrations of  reactants and products @ equilibrium Direction of rxn Equilibrium constant, ▯LARGE K Equilibrium constant l m j k K = (C)(D) / (A)(B) jA + kB = lC + mD n2o4 – 2 no2▯no2^2/ n2o4 no2/ n2o4^0.5▯sqrt K N2O4/ NO2^2  ▯1/K K is constant provided TEMPERATURE REMAINS  CONSTANT. K is constant provided TEMPERATURE  REMAINS CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT K is constant provided TEMPERATURE REMAINS  CONSTANT Partial pressures can be treated like concentration; there is a  difference between K  cnd K  p▯concentration and pressure.  If you’re given pressures USE PRESSURE. If you’re given  concentration… use concentration!!! Sometimes you need to define the K value. K3   ▯SO2 +  NO2 SO3NO/ SO2NO2 = k3 Now use K1 and K2  S03/so2x02^0.5 So3 x no/ so2 x no2 = k3 Heterogenous equilibriua  ▯more than one phase may be  present; equilibrium is independent of the amount of solid  or liquid as long as SOME is present.  K= Isqaured/ 1  ▯no SOLID  Measurement of rate concentration/ time; instantaneous rate  is the slope of the tangent at a given time;  ­ve slope = reactants, +ve slope = product formation.  Rate will slow down with time; start off as really fast with  lots of reactant… will get slower. 
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