Thermodyanamic System

What is a thermodynamic system?




  • A thermodynamic system is an area in space upon which the study is concentrated.
  • Everything outside the system is called surrounding.
  • A boundary separates a system from the surrounding.
  • There are three types of thermodynamic systems.
1.Open system
2.Closed system
3.Isolated system


  1. Open System :
  • It is a type of system in which both mass and heat can cross the boundary.
     Example:
          A cup of hot coffee is a perfect example of an open system since both heat and mass can cross-system boundaries.
         Boiling water in an open system.

    2.  Closed System :

         It is a type of system in which only heat can cross the boundary.

       Example:
       A pot of boiling water with a lid over it is a perfect example of a closed system since only heat can cross the system's boundary.

    3. Isolated System:

It is a type of system in which neither heat nor mass can cross the boundary.

        Example:
        Hot water in thermos flask Is a perfect example of an isolated system since neither heat nor mass can cross-system boundary. 


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