Termodinamica Classica Flashcards

1
Q

Termodinamica classica

A

macrostato - funzioni di stato

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2
Q

termodinamica statistica

A

microstato

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3
Q

I principio

A

conservazione energia

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4
Q

II principio

A

spontaneit processo sistema chiuso S>0

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5
Q

III principio

A

S=0 T=0

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6
Q

Esotermica

A

H<0 - cede calore

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7
Q

Endotermica

A

H>0 - assorbe calore

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8
Q

condizione spontaneità sistema chiuso

A

S universo > 0 –> TS-H>0 –> G<0

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9
Q

H<0 - S<0

A

DIMINUZIONE T

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10
Q

H<0 - S>0

A

SEMPRE FAVORITE

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11
Q

H>0 - S<0

A

SEMPRE SFAVORITE

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12
Q

H>0 - S>0

A

AUMENTO T

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13
Q

Resa

A

Y=n.m.prodotto formate/n.m. iniziali reagente

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14
Q

Conversione

A

X=n.m reagente reagite/n.m. iniziali reagente

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15
Q

Selettività

A

S=n.m. B formate/n.m. A reagente

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16
Q

Effetto P aumento numero di moli

A

BASSE P

17
Q

Effetto P diminuzione numero di moli

A

ALTE P

18
Q

Effetto P numero di moli inalterate

A

P ININFLUENTE

19
Q

effetto eccesso reagente

A

aumento resa

20
Q

effeto eliminazione continua prodotto

A

reazione verso Dx

21
Q

info DELTA G

A

spontaneità
<0 spontaneo
=0 equlibrio
>0 non spontaneo

22
Q

infor DELTA G°

A

equilibrio
<0 K>1 –> Dx
=0 K=1 –> P=R
>0 K<1 –> Sx