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Why do rotten eggs float in water?

Updated: 10/7/2023
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14y ago

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As the egg decomposes, the mass of the egg is reduced. This is because the egg shell is porous and water vapor and gases can escape over time, reducing the mass of the egg. If the mass of the egg is less than the mass of the volume of water displaced by the egg, it will float.

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14y ago
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15y ago

The rules for eggs is: fresh eggs sink and lie on their side. Stale eggs sink and lie on their ends and rotten eggs float.

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Q: Why do rotten eggs float in water?
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Related questions

Do rotten eggs float?

Yes, a rotten egg when placed in water will float as the egg's contents wiegh less than the amount of water it displaces.


Do eggs float or sink when they are boiled?

unboiled eggs float, but the boiled ones sink.


Do all eggs have gas inside them to make them float in water?

No. Never ever eat an egg that floats because that means it has gas in it; that means it's rotten.


How do you know that eggs are rotten?

If they smell bad.You can also test them by floating them in water. A bad egg will float (it has gas inside), but a good egg will sink to the bottom and lie on its side.


Why rotten eggs float in water?

As the egg decomposes, the mass of the egg is reduced. This is because the egg shell is porous and water vapor and gases can escape over time, reducing the mass of the egg. If the mass of the egg is less than the mass of the volume of water displaced by the egg, it will float.


Why don't eggs float in sugar water?

when you will put eggs in water they will form a homogeneous mixture hence cannot float.


If you put eggs in water to test if they are rotten is it if they float or sink they are bad?

To test an egg for freshness, place it in a container of cold water. Some eggs that are not fresh but are still good will raise up a little on one end or even stand up on one end. The eggs that are bad will float all the way off the bottom of the container, will not touch the bottom and should not be used.


How does the salt make the egg float in water?

The salted water is denser than pure water and eggs can float.


What is the background research on Egg Flotation?

eggs float better with water and salt but they do not float in just water


What could be wrong if you sometimes smell rotten eggs when running cold water?

The rotten egg smell is sulfur...


Why does water smell like rotten eggs?

high sulfar content


Why does your water smell like rotten eggs?

It has a high sulfur content to it.