Build a Fizz Inflator

Topics: Carbon dioxide, Carbonate, Carbonic acid Pages: 1 (308 words) Published: October 13, 2012
Build a Fizz-Inflator
Purpose of the project:
* To know if water temperature affect how fast the balloon fills up. * To know if the size of the bottle affect how much the balloon fills. * To know if the amount the balloon fills-up can be controlled by the amount of vinegar or baking soda. Materials:

* 1 small empty plastic soda or water bottle
* ½ cup of vinegar
* Small balloon
* Baking soda
* Funnel or piece of paper
* Yes, the higher the temperature, the faster the balloon fills up. * Yes, when the bottle is very big, it is the time where the balloon fills-up slowly because gasses need a lot of room spread out. * Yes, because the amount of vinegar or baking soda affects the production of carbon dioxide. Procedure:

1. Carefully pour the vinegar into the bottle.
2. Loosen up the balloon by stretching it a few times and then use the funnel to fill it a bit more than half way with the baking soda. If you don’t have a funnel you can make one using the paper and some tape. 3. Now carefully put the neck of the balloon all the way over the neck of the bottle without letting any baking soda into the bottle. 4. Lift the balloon up so that the baking soda falls from the balloon into the bottle and mixes with the vinegar. Explanation:

* The baking soda and vinegar create an ACID-BASE reaction and the two chemicals work together to create a gas (carbon dioxide). Gasses need a lot of room to spread out and the carbon dioxide starts to fill the bottle and then moves into the balloon to inflate it. * When baking soda and vinegar are combined, the bicarbonate ion of the baking soda is turned into carbonic acid, which decomposes into carbon dioxide and water.
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