Formulate the second law of thermodynamics?

There are several formulations of the second law of thermodynamics, let’s recall a few of them.

It was one of the first to be formulated by R. Clausius and reads as follows: “The transfer of heat from a body with a low temperature to another body with a higher temperature level is impossible.”

The next law was formed by Thomson: “Any process is impossible if, for its implementation, the heat taken from a foreign body must be used.”

Boltzmann formulated the second law of thermodynamics as: “The state of entropy cannot become smaller in completely closed systems that do not receive any external energy.”



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