Question

EGG IN VINEGAR EXPERIMENT
------------------------------------------------
1. What signs
did you see that told you a chemical reaction had taken place?

2.
Write a
short paragraph to explain what happened to the eggshell and the vinegar.

3. Explain what chemical reaction took place between the egg
and the vinegar.​

Answer 1

Answer:

If you soak this egg shell in vinegar (which is about 4% acetic acid), you start a chemical reaction that dissolves the calcium carbonate shell. The acetic acid reacts with the calcium carbonate in the egg shell and releases carbon dioxide gas that you see as bubbles on the shell.

If you soak an egg in vinegar the eggshell will absorb the acid and break down, or dissolve. The calcium carbonate will become carbon dioxide gas, which will go into the air.

The reaction of the eggshell in vinegar is an acid-base reaction. When you submerge an egg in vinegar, the shell dissolves, leaving the inner semi-permeable membrane intact. Vinegar (acid) breaks apart the solid calcium carbonate crystals (base) in the eggshell into their calcium and carbonate parts.