The explosive power of CO2!

Randy Holmes-Farley

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While planning an event for the 25th birthday for one of my daughters, I had the not too bright idea to convert an unused freezer in the basement into a temp refrigerator to store beverages.

I set it to its highest possible temp setting, loaded it up, and forgot to check later that it didn’t get too cold.

Later that night, my wife and I jumped out of bed to a loud bang. No car wreck out front, no bears on the deck, no idea what it was.

Next morning, checking the freezer, I found the sound source. Twelve glass bottles of club soda had exploded in a huge mess of broken glass and ice.

Nothing else broke. Wine, beer, even hard seltzers in cans, and the breakage was nothing like water in glass that I’ve accidentally frozen in the past, with a simple break that cracks the glass from ice expansion.

What I expect happened is that the club soda began to freeze, forming water ice that excluded CO2 from the ice and compressed it more and more into the remaining liquid water and air.

At some point, the pressure on one of them broke the glass and caused a chain reaction explosion breaking them all open. I’m not sure how much water froze in the bottles before it blew, since it was such a jumbled mess afterward.

Moral of the story: try to not do stupid things

Second moral: CO2 can pack quite a punch!

Happy Reefing!
 
Everyone: Yeah, I put bottles in the freezer and they blew up. Probably magic.

Randy: Aight, listen! I am going to chemcially solve this riddle and try to replicate it at a later date once I figure out which covalent bond did what and at what interval of time. If all goes to plan, I will set the freezer on a timer next time so everything chills just enough to not explode.

Everyone:
 
Genius like Randy making a mistake :o shows we are all human. Thanks for the story it tickled me.
 
This is actually pretty common. It always seems to happen when someone turns down the temperature in the refrigerator while we're on vacation. Once - when it was about 20 degrees below zero (F) my wife had left a 24 pack of something sugary in the back of the minivan. We woke up to a frozen covering on every window, seat, etc.
 
Follow-up experiment proposal: the impact of yeast on glass bottle integrity.
 
Ages ago in grad school, we would stuff microcentrifuge tubes with dry ice for the same effect. Once the dry ice liquified, the slightest disturbance would set them off.
 
No picture?!
 

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