11.07.2015 Views

CH 3 Biophysique de l'état gazeux - medramo

CH 3 Biophysique de l'état gazeux - medramo

CH 3 Biophysique de l'état gazeux - medramo

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V. Dissolution <strong>de</strong>s gaz:Lorsqu’un gaz est au contact d’un liqui<strong>de</strong>, <strong>de</strong>smolécules <strong>de</strong> gaz se dissolvent partiellementdans le liqui<strong>de</strong>; la concentration Ci (mol/L) dugaz i dissous est, lorsque l’équilibre est réalisé,proportionnelle à la pression partielle Pi du gaz ià l’état <strong>gazeux</strong>:Ci = ai x Piai : coefficient <strong>de</strong> solubilité du gaz iN BEN RAIS AOUAD 20

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