2021-2022 Overview Of Equilibrium

All substances are made up of particles that are in constant motion and sometimes collide/interact.

• When particles have Effective collisions (EC), particles (reactants) rearrange into new groupings (products) and we say there is a chemical reaction (rxn).
  

Question: THEN WHAT?

• Two possibilities:
  
  • Irreversible rxn :
    
  • Reversible rxn:
    
    • Forward reaction:
      
    • Backward or reverse reaction:
      

• ?
  

• Big condition needed for a reaction to be reversible: Closed system -
  

• Big Take Aways for Equilibrium:
  
  • Time independent, [ ] of each species are constant (but don't have to be ).
    
  • Units are [ ] (called______) or P_i (called Partial pressure)
    

• ? What happens if you disturb Equilibrium?
  

If a stress is applied to an equilibrium system, the system will "try to remove the stress to get back to the original system/conditions.

• Big Take Away: Can't get there (changed system), so create new one
  
• Big Take Away:
• LeChatelier's Principle would say stress would:
  
  • 
    
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