Thermodynamics Questions & Answers

21.Examples of point function

Pressure, volume, temperature, internal energy

22.Examples of path function

Work, Heat

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

Hypothetical

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.

28.What is the difference between entropy and enthalpy?

Entropy is property where as enthalpy is energy

 

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