This video describes how to make a bouncy egg. You will need jar, vinegar and egg. After 48 hours later you can get a bouncy egg.
When you place the egg into the vinegar, you can see bubbles on the surface. These bubbles are a chemical reaction between acetic acid ( vinegar ) and calcium carbonate ( egg shell ). When an acid and base mix they form carbon dioxide gas. This reaction creates carbon dioxide gas and breaks down the egg shell in the process.
2CH3COOH + CaCO3 ———> Ca(CH3COO)2 + H2O + CO2
You can also observe that the egg gets large as it sits in the vinegar. Because of Osmosis. In some of the water in the vinegar solution and it travelled through egg membrane and it equalizes the concentration of water on both the sides of the membrane . So the water flow through semipermeable membrane is called Osmosis.
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