TERMODINAMICA BIOQUIMICA Flashcards

1
Q

SISTEMA AISLADO

A

NÃO TROCA CALOR NEM MATERIA

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2
Q

SISTEMA CIERRADO

A

TROCA ENERGIA MAS NÃO TROCA MATERIA

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3
Q

SISTEMA ABERTO

A

TROCA MATERIA E ENERGIA

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4
Q

ENDOTERMICA

A

DELTA H > 0
A+CALOR - > B
CONSOME CALOR

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5
Q

EXOTERMICO

A

DELTA H B + CALOR

LIBERA CALOR

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6
Q

ENTROPIA

A

ENERGIA DEGRADADA NÃO ULTILIZAVEL PARA REALIZAR TRABALHO

MEDE A DESORDEM DE UM SISTEMA

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7
Q

ENTALPIA

A

ENERGIA CALORICA LIBERADA O CONSUMIDA EM UM SISTEMA A TEMPERATURA E PRESÃO CONSTANTE
H

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8
Q

FORMULA DE GIBS

A

DELTA G = DELTA H -TDELTA S

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9
Q

DELTA G

A

ENERGIA LIVRE

ENERGIA LIBERADA EM UM PROCESO QUIMICO DISPONIVEL PARA REALIZAR TRABALHO

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10
Q

DELTA G

A

REAÇÃO ESPONTANEA
A—>B
EXERGONICA

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11
Q

DELTA G > 0

A

REAÇÃO INVERSA

ENDERGONICA

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12
Q

DELTA G=O

A

REAÇÃO EM EQUILIBRIO

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13
Q

SISTEMA ENDOTERMICO PODE SER ESPONTANEO QUANDO ?

A

ENTROPIA FOR GRANDE O SUFICIENTE E POSITIVO PARA QUE TEMPERATURAXDELTAS SUPERE O VALOR DE ENTALPIA

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