Ciclos termodinâmicos
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PiR2 :: Física :: Termologia
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Ciclos termodinâmicos
(UEM 2020) Um gás diatômico ideal, confinado em um recipiente dotado de um êmbolo móvel de massa desprezível e livre de atrito com suas paredes internas, apresenta inicialmente pressão P0 e volume V0. Após sofrer transformações gasosas, volta a apresentar as mesmas variáveis de estado como mostra o diagrama P versus V a seguir.
![Ciclos termodinâmicos 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)
Em relação ao ciclo em questão e a ciclos termodinâmicos em geral, assinale o que for correto.
01) O trabalho realizado no ciclo pode ser representado por +P0V0 (joule).
02) Diagramas P x V na forma de ciclos fechados orientados em sentido horário podem representar as transformações que ocorrem em motores de combustão.
04) A variação da energia interna no ciclo é nula.
08) Supondo que a energia interna do gás é nula quando T = 0K, então essa energia em B é igual a 6P0V0 (joule).
16) No ciclo, o calor total recebido é convertido em trabalho realizado.
Em relação ao ciclo em questão e a ciclos termodinâmicos em geral, assinale o que for correto.
01) O trabalho realizado no ciclo pode ser representado por +P0V0 (joule).
02) Diagramas P x V na forma de ciclos fechados orientados em sentido horário podem representar as transformações que ocorrem em motores de combustão.
04) A variação da energia interna no ciclo é nula.
08) Supondo que a energia interna do gás é nula quando T = 0K, então essa energia em B é igual a 6P0V0 (joule).
16) No ciclo, o calor total recebido é convertido em trabalho realizado.
- Gabarito:
- 01 + 02 + 04 + 16 = 23
laniakea- Iniciante
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Re: Ciclos termodinâmicos
É uma pegadinha que eu mesmo caio repetidamente. O gás é diatômico, então, na verdade, é 5/2 2P0 . 2V0 = 10P0V0.
Lipo_f- Recebeu o sabre de luz
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laniakea gosta desta mensagem
Re: Ciclos termodinâmicos
Resolvendo as demais pras futuras gerações não me xingarem rs
(1): o trabalho corresponde à área do ciclo: ABC = 1/2 . P0 . 2V0 = +P0V0
(2): por definição, é isso que ocorre
(4): se vai e volta pro mesmo ponto, essa variação é 0 (função de estado)
(
: acima
(16): como a variação de energia interna é nula, o calor vai todo pro trabalho
(1): o trabalho corresponde à área do ciclo: ABC = 1/2 . P0 . 2V0 = +P0V0
(2): por definição, é isso que ocorre
(4): se vai e volta pro mesmo ponto, essa variação é 0 (função de estado)
(
![Cool](https://2img.net/i/fa/i/smiles/icon_cool.gif)
(16): como a variação de energia interna é nula, o calor vai todo pro trabalho
Lipo_f- Recebeu o sabre de luz
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laniakea gosta desta mensagem
Re: Ciclos termodinâmicos
Poderia explicar melhor a número 8?Lipo_f escreveu:Resolvendo as demais pras futuras gerações não me xingarem rs
(1): o trabalho corresponde à área do ciclo: ABC = 1/2 . P0 . 2V0 = +P0V0
(2): por definição, é isso que ocorre
(4): se vai e volta pro mesmo ponto, essa variação é 0 (função de estado)
(: acima
(16): como a variação de energia interna é nula, o calor vai todo pro trabalho
matheus_feb- Iniciante
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Re: Ciclos termodinâmicos
A fórmula da energia interna de um gás varia conforme o gás é monoatômico, diatômico ou poliatômico (três ou mais átomos)matheus_feb escreveu:Poderia explicar melhor a número 8?Lipo_f escreveu:Resolvendo as demais pras futuras gerações não me xingarem rs
(1): o trabalho corresponde à área do ciclo: ABC = 1/2 . P0 . 2V0 = +P0V0
(2): por definição, é isso que ocorre
(4): se vai e volta pro mesmo ponto, essa variação é 0 (função de estado)
(: acima
(16): como a variação de energia interna é nula, o calor vai todo pro trabalho
Para gases monoatômicos, como o Hélio, a fórmula é U = 3/2PV
Para gases diatômicos, que é o caso do gás da questão, a fórmula é U = 5/2PV
Enfim, para poliatômicos, como o dióxido de enxofre, a fórmula é U = 3PV
laniakea- Iniciante
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![-](https://2img.net/i/empty.gif)
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