FE > Semester 1 > Applied Chemistry 1

Marks : 04

Years : MAY 2016

• Phase rule deals with system in equilibrium and is not of much help for the systems which attain equilibrium slowly.

• Since no quantitative analysis is done, it is necessary to determine exactly the number of phases present under the equilibrium conditions.

• Though each solid is supposed to constitute a single phase, phase rule cannot be applied to solids in finely divided state.

• It does not furnish enough information regarding the extent of changes when the system shifts from one equilibrium to another.

• It conditions that all phases of the system must be present simultaneously, under the identical conditions of temperature and pressure.

• Phase rule deals with system in equilibrium and is not of much help for the systems which attain equilibrium slowly.

• Since no quantitative analysis is done, it is necessary to determine exactly the number of phases present under the equilibrium conditions.

• Though each solid is supposed to constitute a single phase, phase rule cannot be applied to solids in finely divided state.

• It does not furnish enough information regarding the extent of changes when the system shifts from one equilibrium to another.

• It conditions that all phases of the system must be present simultaneously, under the identical conditions of temperature and pressure.