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: The position of the '''dynamic equilibrium''' (the [[ratio]] of [[reactant]]s to [[product]]s) can be affected by the [[temperature]] and by the [[Gas Pressure|pressure]].
=====Temperature and Dynamic Equilibirum=====
: An increase in [[temperature]] will increase the [[Rate of Reaction|rate]] of an [[endothermic]] [[Chemical Reaction|reaction]] as it requires [[energy]] from the environment to take place.
: This means for an [[endothermic]] forward [[Chemical Reaction|reaction]] a higher [[temperature]] will result in more [[product]] being formed. However, for an [[exothermic]] forward [[Chemical Reaction|reaction]] less product will be formed as the back [[Chemical Reaction|reaction]] will be [[endothermic]] and would increase its [[Rate of Reaction|rate]] with higher [[temperature]].
=====Pressure and Dynamic Equilibirum=====
: For [[Chemical Reaction|reaction]]s involving a [[gas]] as either one of the [[reactant]]s or [[product]]s changing the pressure will affect the position of '''dynamic equilibrium'''.