Editing revision 18 of Equilibrium Notes 1

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<center>Equilibrium: Reversible Rxn and Equilibrium Constant</center>
<center>Notes from Section 18.1 - 18.4 (Notes 1)</center>
 
<center>Virtually All Chemical Reactions are ____________________</center> 
Def. Reversible reaction: 
 
Showing Reversible Reaction (will do in class) 
 
 
For reversible reactions, explain what is happening when the reaction first start and then what eventually happens?(Look at Fig 18-2) 
 
 
 
Def. Chemical Equilibrium:(Leave some space for class notes) 
 
 Rate_____ = Rate_______
 
 
 
Mass Action Expression = [______________] 
 [ ] 
Def of Mass Action Expression: 
 Def concentration: 
 
Look at Expts on Pg518-519 and look at product concentration at equilibrium and the math. What does it tell you 
 
 
 
Def Equilibrium constant expression: 
 
 
Def Equilibium constant, K: 
 
Condtions for K: 
K>1 means 
K<1 means 
K=1 means

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