A-level Chemistry/OCR (Salters)/Equilibrium constants

< A-level Chemistry‎ | OCR (Salters)

Mathematical definition of an equilibrium constantEdit

For a reversible reaction,

 

the equilibrium constant K is defined as

 

where [X] denotes the concentration of chemical species X.


For example, for the Haber process reaction,

 

the equilibrium constant can be calculated by