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mentos - Diet Coke Mentos Nucleation of bubbles Carbon...

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Diet Coke & Mentos
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Nucleation of bubbles Carbon dioxide is dissolved in the liquid Typically is at equilibrium at some higher pressure When container is opened, gas bubbles out of the solution QuickTimeª and a decompressor are needed to see this picture.
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Nucleation Typically a trade-off: Some reaction wants to happen (e.g., produce carbon dioxide) The thing being produced needs to produce a bubble in the liquid it is in Surface tension in the water fights this QuickTimeª and a decompressor are needed to see this picture.
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Fighting Surface Tension: Surface Effects Ability to form a bubble can be modified by a surface QuickTimeª and a decompressor are needed to see this picture.
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Fighting Surface Tension: Surfactants A “surfactant” often has one half that acts like oil and one half that acts like water Reduces surface tension by isolating oil from water QuickTimeª and a decompressor are needed to see this picture.
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QuickTimeª and a decompressor are needed to see this picture.
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