Change In Phase With Time For A Constant X

Phase Constant

Assertion:Phase transition involves change in internal energy only. Reason:Phase transition occurs at constant pressure.

How does the (a) average kinetic energy (b) average potential energy of molecules of a substance change during its change in phase at a constant temperature, on heating ?

Phase Change|Phase Diagram For Water|Heating Curve

Phase Change|Phase Diagram For Water|Heating Curve

Change Of Phase Due To Reflection

Enthalpy Changes During Phase Transformations

(a) What do you understand by the change of phase of a substance ? (b) Is there any change in temperature during the change of phase ? (c) Does the substance absorb or liberate any heat energy during the change of phase ? (d) What is the name given to the energy absorbed during a phase change ?

The diagram below shows the change of phases of a substance on a temperature vs time graph on heating the substance at a constant rate. Why is the slope of CD less than slope of AB ?