Factors affecting the position of equilibrium

 

Factors affecting the position of equilibrium

The position of equilibrium shifts to try to cancel out any changes you introduce.


Changing concentrations:

Increase the concentration of a reactant. This will make the forward reaction go faster for a while, until we reach equilibrium again. We have added more to the left-hand side, so the equilibrium shifts to the right, as if to remove it.

Changing temperature:

The position of equilibrium shifts to reduce the temperature.

Changing pressure:

Changing the pressure can also affect a mixture at equilibrium. However, there must be different numbers of gas molecules on either side of the equation. If you increase the pressure, the equilibrium shifts to try to reduce it again.



Q: Write any two factors affecting the position of equilibrium.

Ans: Concentration, temperature and pressure.


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