The shell breaks apart and the egg will expand and grow bigger!
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Here's what you do:Fill the jar with the vinegar (enough to cover the egg) and place the hard-boiled egg inside of the jar. Put the lid on the jar and loosely tighten it. Leave the jar in a place where it will not be disturbed; especially away from the little brother's hands. You'll notice that many small bubbles will form on the eggshell as soon as you place the egg in the vinegar. If you watch the egg for a while, you'll see that some of the bubbles will grow larger and rise to the surface of the vinegar. Sometimes, large bubbles will form on the bottom of the egg. The egg will move around because the egg and the vinegar are denser, or heavier, than the bubbles. The egg will float as soon as enough bubbles are attached to it. The bubbles will cause it to move so that it looks like it's alive!The vinegar will completely decompose the shell of the egg in about one or two days. When the shell is gone, take the egg out of the jar and wash it and allow it to dry. It will feel leathery. After it's dry,try to bounce it. It will bounce like a ball!
Well, it's not really thin and working with them tells you that they have some definite thickness. Perhaps to measure them, soak a raw egg in white vinegar for about 24 hours and then wash it off. You should end up with a pliable semitransparent egg membrane enclosing the insides of the egg. I would think you could get a rough idea by using a caliper to measure the thickness after you rupture the membrane. Good Luck!
Egg tempera requires another ingredient besides egg yolk and pigment to prevent it from drying too quickly. This other ingredient could be vinegar or wine.
I think it does
The dye binds to the protein in an egg shell; this is an animal protein, similar to silk or wool. The same types of dyes that work on silk or wool will also dye eggs. The dye molecules bind, both directly and via hydrogen bonds, to protein molecules in the eggshell. The dyes used to dye eggs are acid dyes, called that because they work best in an acid environment. Vinegar is an acid, and adding it to the dye solution makes it more acid, and potentiates both types of binding.