Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. Experimento mental ideado por maxwell en 1867, publicado en theory of heat. A mente malefica do serzinho encapetado agora pode ser mapeada. Maxwell s demon is a thought experiment created by the physicist james clerk maxwell in 1867 in which he suggested how the second law of thermodynamics might hypothetically be violated. Maxwells demon, if it existed, would act as a sort of gate guard by sorting between higherenergy molecules and lowerenergy molecules within an enclosed space. A to b, and only the slower molecules to pass from b to a maxwell, 1871. Active transport in cells is carried out by certain proteins, or. A thought experiment that seems to defy the 2nd law of thermodynamics. It was imagined by james clerk maxwell in 1871, to illustrate the possibility of violating the second law of thermodynamics. In the thought experiment, a demon controls a small door between two chambers of gas. This page was last edited on 30 january 2019, at 22.
As individual gas molecules approach the door, the demon quickly opens and shuts the door so that only fast molecules are. Since then this being, dubbed maxwell s demon by lord kelvin, has been an active topic of. Maxwells demon thermodynamics physics khan academy. All structured data from the file and property namespaces is available under the creative commons cc0 license. Maxwell s demon in 1867 james clerk maxwell suggested that a sentient being capable of observing molecular motions might be able to bring about a violation of the second law of thermodynamics through a systematic sorting of molecules. Files are available under licenses specified on their description page. Achievers internacional 1 a2 students book pdf download. Maxwells demon, hypothetical intelligent being or a functionally equivalent device capable of detecting and reacting to the motions of individual molecules. Procurar milions palavras e frases em todos os idiomas. In this context, a pedagogical activity based on the story maxwells demon of gamow is designed, following the didactic outlines suggested by some authors. A copy of the license is included in the section entitled gnu free documentation license. Maxwell s demon plural maxwell s demons a hypothetical creature created for a thought experiment. Maxwells demon is a thought experiment created by the physicist james clerk maxwell in. Pdf the starting process of a pedagogic proposal for the teaching of basic concepts in thermodynamics based on the use of narratives is introduced in.
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