The second law of thermodynamics states that whenever energy is converted from one form to another,some of the useful energy is lost.

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The second law of thermodynamics, in essence, states that in any energy conversion, some amount of energy is inevitably converted to a form that cannot be used to do work, often manifesting as an increase in disorder or entropy, thus leading to a loss of useful energy.

The Second Law of Thermodynamics States That Whenever Energy Is