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Dynamic Equilibrium (Reversible Reactions (in equations that show…

- - - - Ammonium chloride <----> ammonia + hydrogen
- - - - this is called dynamic equilibrium
        
        equilibrium position is changed by the reaction conditions.
        
        equilibrium position: the percentages of the products and reactants at equilibrium)
- - - - ..in the direction that forms fewer gas molecules (as this reduces pressure)
    - - ...in the direction that forms the most gas molecules (this increases pressure)
    - - ...in the exothermic direction (transferring energy to the surroundings, heating them up)
    - - ...in the direction that uses up the substance that has been added
    - - ...in the endothermic direction (transferring energy from surroundings, cooling them down)
    - - ...in the direction that forms more of the substance that has been removed