why do cokes explode after shaking it?
138723
becoz of cola contains of a small amount of sugar and also it contains of large amount of acid..or CO2..and also cola with a small amount of sugar it will sink in the water and the cola light it contains a lot of sugar so the cola light will be float...and you can try that by your own..
1052397
i done it with regular coke and then i put mentos in it and then i shoke it up then i went on the top of my roof and just let it drop and it worked 4 me cause it went flyin.lol.kk.so pick me cause mine actully worked.
53220
Be careful, it may explode!
93082
Both the previous answers are good except shaking the can does not increase the pressure within the can, which is a surprise to most people.  I read somewhere (and the link of one of the posters confirms) that the pressure within the can remains the same, which is actually above atmospheric pressure.  If you open a can without shaking it, a small volume of Carbon dioxide expands with a slight pop and a very small surface area of fluid is now exposed to the atmosphere at the top of the can.  Carbon dioxide is now free to enter and leave the fluid surface and since the fluid has a higher concentration of CO2, the net effect is loss from the fluid until at equilibrium with the atmosphere after which the soda is flat.\n\nShaking the container disperses CO2 bubbles (not air) throughout the fluid greatly increasing its effective surface area for separation and since the entire content is above atmospheric pressure the CO2 bubbles expand to atmospheric pressure and overflow the can.  The fizz in a glass of soda (or the opened can) represents the tiny bubbles of CO2 that form at nucleation points on the glass until large enough to rise and pop at the surface.  I'd imagine that adding soap which forms a better film would change the fizz to foam, but why ruin a perfectly good soda (or beer), right?
1180164
The physical mechanism is unknown, but possibilities that have been suggested include:\n\n   1. cavitation within the joint – small cavities of partial vacuum form in the fluid then rapidly collapse, producing a sharp sound (hypothesis in a medical journal)\n\n   2. the sudden stretching of ligaments (hypothesis by one reader of that journal)\n\n   3. release of gas from the joints being adjusted (this applies to the popping that can occur in any joint such as during chiropractic manipulation)\n\nFeel free to read more at http://en.wikipedia.org/wiki/Cracking_knuckles
164500
One word answer: agitation\n\ncoke and other drinks are "areated" with carbon dioxide under pressure. carbon dioxide does not like stay dissolved in water and bubbles out, causing the fizz effect in sodas.\n\nnow for the carbon dioxide to bubble out, it needs energy. this energy can be supplied by :\n\n* heat : this is the reason why warm coke is less fizzier than cold coke. the carbon dioxide has already bubbled out\n\n* agitation : shaking a bottle of cola, supplies the carbon dioxide enough energy to fizz out. so does pouring coca cola over ice. if you put ice in coke though, you are doing it gently. you would see a lot of fizzing of you threw you ice in with a lot of force \n\nwhen you vend onto ice at mcdonalds, the cola touches ice straight away and has energy taken away from it and hence fizzes less.\n\nhope that clears things up for you :)
988214
Take a two liter coke bottle.  Fill it up 3/4 with water.  Add dry ice.  Close the cap and wait for it to explode.  Its great.\n\n\nIf you don't have dry ice, put mentos is a coke bottle that actually has coke in it.
404241
It's like cracking your knuckles. It's cardon dioxide released from your joints. Totally harmless.
745596
According to the following website, it depends on the form of cocaine being produced, and looks like some really nasty chemicals are involved (sulfuric acid, kerosene, benzene, ammonia, etc...). Yuck.\n\nhttp://en.wikipedia.org/wiki/Cocaine
913794
Mixing chlorine and alcohol to produce an exposion is quite dangerous, and has caused numerous injuries in children who tried to emulate those videos.  However, the reason for the explosion is that chlorine is highly reactive because it only needs to acquire one electron to fill its valence shell, so it reacts explosively with alcohol to form alkyl chloride, also called chloroalkane.
255262
Citric acid is what really gives it kick!  (as opposed to phosphoric acid used in Coke and Pepsi)\n\nhttp://oxygen.chem.uidaho.edu/ifcchem111/LabMaterials/titration.pdf
101846
If you Google  with the words "Mentos Pepsi", you can find a number of videos that show this "experiment". You use a funnel to dump about a half a package of Mentos into a liter of Pepsi and then stand back. The Mentos cause the carbon dioxide in the Pepsi to come out of solution. Same effect as if you shook the bottle, only much faster. The gas pushes the liquid out of the bottle into a mini-fountain.
1020028
Actually, this can happen with any dense material, not just mentos.   Like the twisted tab of the can of coke...\n\nYou see, soda is a supersaturated solution of CO2 in water.  That means, there is way more CO2 in the water than there should be at the given surrounding temperature.  This is achieved by forcing the CO2 under high pressure.  Anyway, a supersaturated solution is unstable and is prone to destabilize with the acting of external forces... like a dense material sinking to the bottom of the solution.  This results in the eruption of excess CO2 into gaseous form.\n\nThis has worked for me a lot.   Take a standard 300 mL bottle of Coke.  Open the bottle, and quickly twist the bottle cap (to make it denser and to allow it to fit through the bottle neck), then plunge it into the bottle.  And , fooosh!!  You'll get your eruption.  Take note that you have to do all this quickly, because if you don't the gas in the bottle will escape pretty quick and the above phenomenon won't be observed.
1088203
Aaliyah's Mama  - answered part of the question and she is right\nwhen coca cola first came out it was use as a drug to treat eplipsic cause it contained the drug cocaine in it .  Then it became a house hold drink.  \nand for some time they did not know why a lot of people back then were buying it right and let and getting buzzed out of there heads   until a few years later they found traces of cocaine that gave it most of it'e taste  since then coca cola company replaced the drug with arifishal flavor but now it does not contain any of the drug cocaine any more   you might be getting a surgar buzz if anything.
1095785
That's something you shouldn't know because you shouldn't be doing cocaine in the first place. It's dangerous!!!!!!!!!!!!!!!!!!!
482016
Not a pro at taking that stuff any more, but I found shaking it in a bottle and drinking it quickly was the best way.  It didn't seem to matter what quantity I used: the powder would settle at the bottom.
1147577
I've never had this happen to me, but I have heard that it can.  In fact, my aunt told me that even after you take the cup out of the microwave and go to stir it, it can explode then.