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Skillnad mellan versioner av "K41"

Från KFKA10

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Nuvarande version från 29 november 2017 kl. 19.27

Räkna ut medelvolymen för en bubbla (2.0 * 10^-8 m³)

Räkna ut radien för denna medelbubbla om sfärisk (1.7 mm)

Räkna ut antalet bubblor i skummet (600000 st)

Räkna ut den sammanlagda arean för bubblorna (21 m²)

Räkna ut mängden adsorberad surfaktant i skummet utifrån skillnaden i koncentration jämfört med bulklösningen (5.0 * 10^-5 mol)

Räkna ut Γ, d.v.s. ytöverskottet per area (2.4 * 10^-6 mol/m²)

Observera att vi har räknat varje såpfilm två gånger i areauträkningen, men det är korrekt eftersom varje såpfilm består av två vätska/gas-gränsytor.

Hämtad från "http://klur.se/termo/index.php?title=K41&oldid=271"

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