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  1. In this quick and easy experiment, we are going to use an endothermic chemical reaction and the resulting carbon dioxide caused by mixing baking soda and vinegar to inflate a balloon. Materials: Empty plastic or glass bottle

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  2. When you added the baking soda to the vinegar, the two combined to make carbon-dioxide gas, which inflated the balloon. The expansion of the balloon changed the weight of your sealed flask because you and your entire experiment are submerged in a fluid: air.

  3. 15 kwi 2024 · The baking soda and vinegar balloon experiment demonstrates a chemical reaction between an acid and a base. The baking soda acts as the base and the vinegar as the acid. When the two combine, carbon dioxide (CO2) escapes the container and causes the balloon to blow up.

  4. The reaction between the baking soda and vinegar cause the balloon to inflate all on its own! It is a show-stopper experiment for kids. (See more of my STEM projects for kids.)

  5. 4 wrz 2024 · Self-inflating balloons are a product of a chemical reaction between baking soda and vinegar. When these two substances interact, they produce carbon dioxide gas, which inflates the balloon. To understand this process better, let’s break down the science involved:

  6. Funnel. Spoon. Food coloring (optional) How to inflate a balloon with baking soda and vinegar. Use a funnel and a spoon to get 1 Tablespoon of baking soda into the balloon. Fill a plastic bottle about 1/4 full of vinegar (Add food coloring if you want).

  7. When you add the baking soda to the vinegar it causes a reaction. That reaction releases a gas called carbon dioxide (CO2). Because the balloon forms a seal around the bottle, the gas produced cannot escape, so it fills up the balloon.

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