The principle: if you change conditions of a reversible reaction at equilibrium the system will try counteract the change.
Temperature:
If decrease temp equilibrium moves in direction of exothermic to produce more heat -more product for exothermic reaction-
If raise temp, moves to endothermic to lose heat-more product for endothermic reaction
Pressure: equilibrium involving gases only
Increase pressure, moves to direction of fewer molecules of gas, decrease pressure, direction of more molecules
USE BALANCED SYMBOL EQUATION TO FIND TTHE MOLECULE AMOUNTS
Concentration:
Increase either products/reactants it’s no longer at equilibrium
Higher concentration more products are made or of decrease products, reactants reduced
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