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The Rubber Egg

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by

Neha G.

on 3 March 2015

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Transcript of The Rubber Egg

The Rubber Egg
Time Lapse
Applied to the Real World
With this reaction, there are few pollutants released, just carbon dioxide, water, and extra vinegar. This reaction shows how acid can break down hard substances, such as the egg shell. In a similar way, the vinegar could break down teeth or bones. The calcium on the outside of the egg is similar to that on your teeth and bones. This shows how drinking acidic beverages can be harmful to your teeth.


Chemical Equation
Reactants:
CaCO3 Calcium Carbonate (Egg Shell)
CH2COOH Acetic Acid (Vinegar)

Products:
Ca2+ Calcium
H2O Water
2CO2 Carbon Dioxide

Type of Chemical Reaction
Decomposition
Chemical Reaction- Rubber Egg
Reaction Overview:
This reaction uses decomposition to turn an egg into a rubber-like ball. The vinegar dissolves the egg shell leaving only the rubber-like membrane, making the egg bounce.
Example of Rubber Egg
This shows the reaction between the vinegar and eggshell over the course of several days. The vinegar slowly disintegrates the calcium eggshell, and hardens the membrane on the inside, causing the chemical reaction.
Release of energy.
The type of of reaction is an exothermic reaction
due to the release of carbon dioxide while
the change is happening. This is the opposite of
an endothermic reaction which causes heat to go into the source of the reaction instead of being released.
Pictures
Full transcript