Introduction Physio respiratoire Flashcards

1
Q

Lois de Boyle Mariotte et Charles: constantes et proportions?

A

BM: T cte, p inversement prop à V
Charles: pression cte, Volume de gaz proportionnel à T

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2
Q

Loi d’Avogadro: T et P en STPD? mole de gaz parfait sec occupe?

A

T°= 0°C, P = 760 mmHg

22.4 L

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3
Q

Loi des gaz parfaits?

A

PV = nRT

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4
Q

Loi de Dalton: pression partielle? en BTPS?

A

Px = PB.Fx
Fx: fraction molaire du gaz x dans le mélange gazeux sec.
PH2O à 37°C = 47 mmHg et Px = (PB – PH2O).Fx

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5
Q

Loi de Henry?

A

Cx = α.Px/760

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