State Second Law of Thermodynamics in terms of entropy?
Asked by CHATURBHUJ PODDAR on 1 December 2011 9:33:08 PM   
   
   
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  1. On 1 December 2011 9:41:04 PM CHATURBHUJ PODDAR answered :

    In any closed system, the entropy of the system will either remain constant or increase.
    In other words, each time a system goes through a thermodynamic process, the system can never completely return to precisely the same state it was in before. This is one definition used for the arrow of time, since entropy of the universe will always increase over time according to the second law of thermodynamics.
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