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Calor e trabalho: são estes conceitos invariantes sob a permuta sistema-vizinhança?

2008; Brazilian Chemical Society; Volume: 31; Issue: 7 Linguagem: Inglês

10.1590/s0100-40422008000700048

ISSN

1678-7064

Autores

Joaquim Anacleto, J.M. Ferreira,

Tópico(s)

Advanced Thermodynamics and Statistical Mechanics

Resumo

HeAT AND woRk CoNCePTs: ARe THey INVARIANT UNDeR A sysTeM-sURRoUNDINgs INTeRCHANge?It is argued that the invariants associated to the First Law of Thermodynamics and to the concept of identical processes lead to a clear definition of heat and work.The conditions for heat and work to be invariant under a system-surroundings interchange are also investigated.Finally, examples are presented to illustrate the above conditions.

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