Chemistry, 08.11.2020 23:50 kkeith121p6ujlt
Le trimix est un mélange
de gaz utilisé pour la plongée. • À partir des masses de chaque gaz contenu dans la bou teille, calculer le pourcentage en volume de chaque gaz dans le trimix.
Données
Pour une bouteille de 12 kg:
• masse de dioxygène : 3,3 kg;
• masse d'hélium : 600 g; • masse de diazote : 8,1 kg.
Masse volumique du gaz à pression atmosphérique:
. p(0.) =
1,33 g L-;
• p(N2) = 1,17 g L-'; .
• (He) = 0,17 g L
Answers: 3
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Le trimix est un mélange
de gaz utilisé pour la plongée. • À partir des masses de chaque gaz conten...
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