21.Examples of point function
Pressure, volume, temperature, internal energy
22.Examples of path function
23.What is reversible process?
Initial states of the system can be achieved by reversing the process
24.What is irreversible process?
The initial state of the system cannot be restored without any changes in system and its surroundings
25.Concept of reversible process is
26.What is enthalpy?
The sum of internal energy and flow energy is called as enthalpy.
27.What is entropy?
Entropy is function of quantity of heat, the property of the system which decides the percentage of heat that can be converted into work.
Entropy is property where as enthalpy is energy