SABIS Grade 11 - Year 2021/2022 Chapter (1) Level M Chemistry




Chemical Equilibrium

Points to understand



  • What is a reversible reaction ?
  • What is the meaning of equilibrium in a reaction
  • Macroscopic and Microscopic properties changes during a reaction in equilibrium 
  • Closed system and equilibrium
  • A system in steady state
  • Equilibrium in physical changes
  • Equilibrium in chemical reactions
  • Dynamic equilibrium
  • Factors affecting equilibrium 
  • Le Chatelier's Principle
  • Haber Process
  • Mass Action Expression
  • Equilibrium Constant
  • Equilibrium Positions
  • Significance of value of K



















  • A typical equilibrium exercise: Given equilibrium quantities of reactants and products find the equilibrium constant
  • A typical equilibrium exercise: Given initial quantities of reactants and at least one equilibrium quantity find Keq 
  • A typical equilibrium exercise: Given initial quantities of reactants and Keq, find the equilibrium quantities 
  • A typical equilibrium exercise: Given initial quantities of products and Keq, find the equilibrium quantities 
  • A typical equilibrium exercise: Given initial quantities of reactants and products and Keq, find the equilibrium quantities


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