Propelling a Rocket with Baking Soda and Vinegar Essay Sample

Propelling a Rocket with Baking Soda and Vinegar Pages Download
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* Vinegar
* Baking Soda
* Paper Towel
* Funnel
* Cork
* In rocket: (instead of film canister)
* Plastic Bottle
* Pencils(stand)
* Duct tape


1. Take 1 scoop of baking soda
2. Put it in the middle of the paper towel, and then roll it. 3. Put the funnel in the mouth of the bottle, and pour vinegar before the duct tape.(it’s up to you) 4. Fix the cork, put some paper towel, to make sure it fits perfectly, and won’t pop out really quick. 5. Put the rolled paper towel with baking soda inside the bottle. 6. Then shake it, turn the bottle upside-down, place it on the ground and stand back.

What will happen?
The bottle will shoot up into the air within a few seconds. This is due to the pressure build-up as the carbon dioxide gas is produced.

Describing the Chemical Reaction between Baking Soda and Vinegar

Baking soda, a pure chemical called sodium bicarbonate, has the chemical formula: NaHCO3
When dissolved in water baking soda separates into sodium (Na+) and bicarbonate ions (HCO3- ): NaHCO3 —> Na+(aq) + HCO3-(aq)
Vinegar, a weak (5%) solution of acetic acid in water, partially dissociates into hydrogen ( H+) and acetate ions (CH3COO-): CH3COOH <–> H+(aq) + CH3COO-(aq)
The reaction between baking soda and vinegar is actually two reactions, an acid base reaction followed by a decomposition reaction.

When the two ingredients are mixed, hydrogen ions ( H+) from the vinegar react with the bicarbonate ions (HCO3- ) from the baking soda to form a new chemical called carbonic acid (H2CO3). H+ + HCO3- —> H2CO3

The carbonic acid thus formed then immediately decomposes into carbon dioxide gas (CO2)and water (H2O). H2CO3 —> H2O + CO2
It’s this carbon dioxide gas that you see bubbling and foaming as soon as you mix baking soda and vinegar together.

Using the molecular structures of only the components involved, the chemical reaction can be written:

The overall reaction however, is often written as follows:
NaHCO3 (aq) + CH3COOH (aq) —-> CO2 (g) + H2O (l) + CH3COONa (aq)

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