The second law of thermodynamics states that energy conversions result in energy lost in a nonuseful form like heat.
The second law of thermodynamics states that although heat can do work, it is not always possible to convert heat completely into other types of energy, because in an energy conversion process an amount of energy is useful and other one is not useful due to the fact that it cannot be transformed.
In general terms, the second law of thermodynamics speaks of the efficiency in the processes of energy conversion and entropy in systems.
What is entropy?
Entropy is defined as the degree or amount of disorder or randomness of a system.
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