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How long before eggs go bad?

I

imported_Tomato

Diamond Member
I can't find the expiration date on the carton of eggs I have, and estimate purchasing them about a month ago. Should I try cooking a few for lunch, or throw them away and buy fresh ones?
 
Eggs last for a while, even after the sell by date.

Edit: Just cook them thoroughly if you think they are old. No over easies with those.
 
Get a pan of water (not boiling) and put the eggs in. If they float they're bad. If they don't they're good.
 
If they have been in the fridge, it should be fine. A month is alright in my opinion. Of course if you crack them up, and it smells bad, then it's really bad. The yolk should be still very yellow.
 
Originally posted by: yukichigai
Get a pan of water (not boiling) and put the eggs in. If they float they're bad. If they don't they're good.
Click to expand...

I've never heard that one before. Good idea... why exactly does that work?
 
Originally posted by: Tomato
Originally posted by: yukichigai
Get a pan of water (not boiling) and put the eggs in. If they float they're bad. If they don't they're good.
Click to expand...

I've never heard that one before. Good idea... why exactly does that work?
Click to expand...

Because as they spoil air builds up inside the egg?
 
The Exp. date is about 1 month when they arrive to the store.
Exp. date is 7 days before the real date. so you should have 5 weeks if you bought them freshly arrived.
 
Originally posted by: Tomato
Originally posted by: yukichigai
Get a pan of water (not boiling) and put the eggs in. If they float they're bad. If they don't they're good.
Click to expand...

I've never heard that one before. Good idea... why exactly does that work? (and I'll try it, I love hardboiled eggs)
Click to expand...
When eggs rot they create various gasses. Since eggshells are airtight the egg effectively starts filling with (bad) air. Since the gasses lighter than water, it floats.

By the way, you can cook the ones that sort of hover between, but it's a judgement call.
 
That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.
 
Originally posted by: huesmann
That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.
Click to expand...
Ah, but you're forgetting that the process of rotting converts an amount of matter into heat, as do most chemical processes. As the egg rots a certain percentage of the total mass is converted into heat, thereby reducing the density.

EDIT: And I think the eggshell isn't 100% airtight. If it was you wouldn't be able to smell bad eggs in the fridge. (Which you can)
 
Originally posted by: yukichigai
Originally posted by: huesmann
That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.
Click to expand...
Ah, but you're forgetting that the process of rotting converts an amount of matter into heat, as do most chemical processes. As the egg rots a certain percentage of the total mass is converted into heat, thereby reducing the density.

EDIT: And I think the eggshell isn't 100% airtight. If it was you wouldn't be able to smell bad eggs in the fridge. (Which you can)
Click to expand...

Geek Fight!

/grabs lawn chair and pops a beer

😛
 
Originally posted by: yukichigai
Originally posted by: huesmann
That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.
Click to expand...
Ah, but you're forgetting that the process of rotting converts an amount of matter into heat, as do most chemical processes. As the egg rots a certain percentage of the total mass is converted into heat, thereby reducing the density.

EDIT: And I think the eggshell isn't 100% airtight. If it was you wouldn't be able to smell bad eggs in the fridge. (Which you can)
Click to expand...


That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.[/
Click to expand...

JERRY, JERRY!
 
Originally posted by: Tomato
I can't find the expiration date on the carton of eggs I have, and estimate purchasing them about a month ago. Should I try cooking a few for lunch, or throw them away and buy fresh ones?
Click to expand...

Here is an easy test you can do dezign.

Put the raw eggs in water, if they float they are bad. If they sink they are good.
 
Originally posted by: z0mb13
I say tomato, you say toMAHto

😀
Click to expand...

I say potato, you say poTAHto...

😛

Thanks, FrustratedUser, yukichigai, etc... they sunk, and didn't stink when I cracked them. I'm going to eat as many as I can over the course of the next couple of days. Do eggs go bad slowly, or all at once (one day they're good, the next they're stinky and rotten)?
 
Originally posted by: FrustratedUser
Originally posted by: Tomato
I can't find the expiration date on the carton of eggs I have, and estimate purchasing them about a month ago. Should I try cooking a few for lunch, or throw them away and buy fresh ones?
Click to expand...

Here is an easy test you can do dezign.

Put the raw eggs in water, if they float they are bad. If they sink they are good.
Click to expand...
Thank you for parroting me. 😛

From what I can tell eggs go bad gradually, not all at once. But test them every day all the same.
 
Originally posted by: yukichigai
Originally posted by: huesmann
That sounds like BS to me. If the egg is airtight, there's no way for more matter to get inside the egg. Unless it's an antimatter egg or black hole egg. Therefore, if the egg is the same volume as it was when fresh, i.e. unless it expands as it ages, the weight of the egg will be the same when it's old as when it's fresh. If the weight is the same fresh and old, the density will be the same. Thus, if the density is the same, the buoyancy of the egg will not change.

Edit: Eggs last for weeks and weeks for me, in the fridge. They do get less viscous as they get older.
Click to expand...
Ah, but you're forgetting that the process of rotting converts an amount of matter into heat, as do most chemical processes. As the egg rots a certain percentage of the total mass is converted into heat, thereby reducing the density.

EDIT: And I think the eggshell isn't 100% airtight. If it was you wouldn't be able to smell bad eggs in the fridge. (Which you can)
Click to expand...

don't forget about the air pressure in the egg. there doesn't need to be more room, just pressure available to compress the gases.
 
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