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Thermodynamic Process


It is important to note that a process can change state of a thermodynamic system. Clearly, a process provides a path or an operation by which a system changes, from one state to another. Some common types of processes are described as under: A process that takes place at constant temperature is called an isothermal process.
  1. Adiabatic Process
    A process in which no heat exchange takes place between the system and the surroundings is called adiabatic process.
  2. Isobaric Process
    A process that takes place at constant pressure is called isobaric process.
  3. Isochoric Process
    A process that takes place at constant volume is called isochoric process.
  4. Reversible process
    A reversible process is one in which the change is carried out infinitesimally slowly so that the system and the surroundings remain always in equilibrium. Reversible processes are generally ideal and cannot be realized in actual practice.
  5. Irreversible Process
    An irreversible process is one in which the change is carried out rapidly so that the system does not get any chance to attain equilibrium. In such a process, the system cannot be reversed to its initial state without affecting the surroundings. All naturally occurring processes, also called spontaneous processes are irreversible processes.




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