Egg in the Bottle Mystery...no thermal change involved

The Egg in the bottle demonstration using a thermal energy change has been a classic for generations. Here is another way of performing the same experiment without depending on a thermal change. I'd like to hear your thoughts in the comment section below on how this was accomplished. For a more complete explanation of this and other new variations of this classic egg experiment, please view the longer version of "Egg in the Bottle Variations" video.

[OldBaldDad]

It's so simple! You just need to temporarily increase the gravitational constant of the universe. Anyone can do it!

[ReachDPrinters]

One other possibility, is the absorption of gas in the bottle, into the water. From research, it seems Hydrogen Chloride, Carbon Dioxide or Sulfur Dioxide gas all absorb into water. The bottle could be prepared and filled with one of these gasses and account for a reduced internal pressure causing the atmosphere to press the egg into the bottle after the water is poured in and it begins absorbing gas. Since fluids don't compress or expand much, the absorption could create low pressure in the bottle.
Regardless...
What a cool demonstration. I hadn't considered some of these mechanics I started researching. Always interesting stuff.

[EKHondaMotive]

Soluble atmospheric gase(s) [most likely carbon dioxide] being absorbed by the water reducing the total partial pressures in vessel.

No pressure but I'd be thrilled at a follow from you if I get it right!😊

[chemistryscuriosities]

Did you add cold tap water to concentrated Sulfuric acid which then raised the temperature of the flask and then cooled?

[innominateperson]

I'm unable to find the "Egg in the Bottle Variations" video that you mentioned in the video description. Could you please provide me the link to the video? Thanks!

[hadishstreet]

Did you use table salt? Also, even if not, would that work?

[Resonanttheme]

In an old chemistry manual there was mention of dry ammonia gas in an upturned flask with the neck placed in water, dissolving so fast, that it can crack a flask. Here's something similar that demonstrates the sudden affinity for water around the 25 second mark.

[GooogleGoglee]

The bottle was VERY hot, the liquid started to cool it down and since the pressure decreased inside, the pressure outside would push the egg inside.

[pompeymonkey]

Because the vapor pressure of water is significantly less than that of the standard atmosphere. As the water evaporates, the pressure in the bottle becomes lower than the surrounding air.
Edit: I love your videos, BTW. :)

[Uncle_Red]

Maybe the slate was cooled in that particular spot. As the water cools down, so does the air inside.

[Percussionfirema]

I think the bottle had some NH3 or HCl gas in there.

[BBG]

You didn’t burn your mouth with that hot water?

[JoaoZagoSJC]

Never thought that Bruce would show us some magic!

Just kidding. It is the good and fashion science. But I confess, I am waiting for the explanation. Something reduced the pressure inside the flask but what would be? Chemicals reaction? Fluid state changes? The shape of the flask has something with this experiment?

[icebluscorpion]

Now I challenge you to put the egg back un harmed and undamaged out without thermal energy 😂 hint mineral water.

[feldinho]

Probably carbon dioxide from a fire extinguisher. Now the water is eggy and a little fizzy.

[Bibibosh]

Bruce yeany, i have a video on my channel.
I did a similar thing years ago, not with an egg, but a egg sized water orby. I used a sparkler inside a bottle.

It vibrates intensely and then gets sucked into the bottles neck!
Its really something to watch!

[brionfranks]

Big deal.
That's a peeled hard boiled egg.
It's soft and pliable and the sphincter diameter is only just a little bit smaller than the egg.

[ReachDPrinters]

Im going with an Endothermic reaction is occurring with the water in the bottle. So the bottle is prepared with a substance like ammonium nitrate or ammonium chloride. I had to google what substances react endothermic-ly with water... so thats my best guess.
The water mixture cools down and internal pressure drops lower than external pressure.
Cools doesn't really happen, but some of the thermal energy that the water contained was converted into new chemical bonds or something, between the water and ammonium chloride, creating new substances all together. I don't fully understand this process though. Maybe bonds were being broken which actually required the energy and less was released. I don't know....
However....
This would be a thermal exchange... maybe, but technically, its not an exchange, its a conversion into bonds. Not sure if thats different.

[makidoko]

The egg was sealing the bottle the whole time, isolating it from the room temperature. It may be colder in the bottle than the room. And when you pour the room-heated water, in the room-isolated volume of the bottle, the volume of the water is going down while entropy is equilibrating the inner system, balancing water temperature with inner-air temperature.

[McLovinMods]

You can tell by the steam left in the bottle when you pour that it is not room temperature