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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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Unités :• Le Pascal ou N/m 2 : PaDim: MLT -2 .L -2 = ML -1 T -2• Le cm <strong>de</strong> mercure (cmHg): c’est lapression nécessaire pour induire unedénivellation h=1 cm dans un manomètre àmercure(1cmHg = 98,1 Pa).• L’atmosphère : AtmCorrespond à la valeur <strong>de</strong> la pressionatmosphérique au niveau <strong>de</strong> la mer :1 Atm = 760 mmHg ≈ 100 kPa ≈ 10 md’eau ≈ 1 kg/cm 2 ≈ 1 BarN BEN RAIS AOUAD 6

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