<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
When the concentration, pressure or temperature of a system at equilibrium is changed, the system will readjust itself so as to nullify the effect of that change and attain a new state of equilibrium.