Explain How Someone Can Suck'soda Through A Straw
5a. Give a complete description of how someone can “suck” soda through a straw, and explain why the word “suck” is somewhat misleading in this context. The word “suck” is somewhat misleading in this context, because you actually aren’t doing the work. When you “suck” soda through a straw, the pressure in the atmosphere is actually pushing the liquid up through it. You can’t pull a liquid. The pressure in your mouth is lower than the pressure of the liquid. It comes through the straw because of this pressure difference.
5b. Give a complete explanation of how the "pressure fountain" demonstration worked in class. As the water boils inside of the flask, steam is produced. When the stopper and straw are inserted, all of the air is forced
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