Spontaneous process

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The spontaneous process in thermodynamics, also called natural time, is a process that can be accomplished without having to work on the layout.

Spontaneous processes are always accompanied by increased entropy. The processes in which entropy is reduced are never spontaneous. The result of the spontaneous process is always the execution of the system by a certain work. Non-hospital procedures can not work - on the contrary - they need to do some work on them.

The fact that the process is spontaneous does not mean that it always has to happen. Most spontaneous processes must first overcome, resulting from their kinetic course, the barrier of the energy potential. These processes therefore require an energy pulse, but this pulse is always less than the energy triggered by the process, resulting in a positive work balance. One can say that the spontaneity of a process is a thermodynamic expression of its tendency to occur, rather than the absolute necessity of its occurrence.

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