# why hot oil and water explode

Actually, organic oil may smoke, i.e., decompose chemically, much before it boils, but nevertheless at very high temperature such as $191^\circ\;\mathrm{C}$ for olive oil (extra virgin, higher for other qualities). Some people lower the temp on their water heater to save energy. As it reaches past boiling point of water as the water is denser than oil so its at the bottom. What Happens When You Add Water to a Grease Fire The polar water molecules and nonpolar oil molecules want to keep as far away from each other as possible. Is it illegal to carry someone else's ID or credit card? What prevents a large company with deep pockets from rebranding my MIT project and killing me off? Letâs go back in history again to look at this issue. The water heats up and expands as it is falling through the oil, due to density. If you plan on using used motor oil, you should note that it would be a significant explosion hazard at 350F. Normally, your water heater shuts off or releases the built-up pressure through a safety valve. The oil prevents the nucleation of steam bubbles you get when heating water in a pan, and the water drops turn to steam all at once and of course the steam expands explosively. The fire point of canola oil, for example, is 371 C (700 F). There are two common mechanical safety valves with each boiler. The liquid water changes phase when heated above the boiling point, namely it becomes a gas. If such negligent acts cause injury to you and your family, or cause damage to your property, consult a Houston water heater explosion attorney to evaluate your case for compensation. When water vapor in cavitation bubbles escapes fast, it makes a mess. I just got a home maintenance book that says hot water heaters can explode if the pressure release valve becomes inoperable. They are dangerous and cannot be repaired. I check one website and it says to check it every 6 months. This really isn't much of an answer; it would be better if you could expand this to cover what heat transfer does (e.g., the rapid change indicates X). Once the water comes into contact with the hot frying oil, it quickly turns into super-heated steam which quickly expands to cause the â¦ GONE WRONG!! expands violently, creating the apparent explosion. Why is frequency not measured in db in bode's plot? None of these experiments produce the same incredible explosion as the difluoroethane and water. After this within about 30 to 40 seconds there was a loud and enormous explosion followed by a series of smaller explosions. Why does a bottle shrink when you pour hot water in it? As the oil goes though the air it sucks in more oxygen and explodes. The bar I work at has fryers and one day for apparently no reason, one of the fryers violently boiled over until it was mostly empty of oil, spreading hot oil all over the kitchen floor. Water explosion is considered to be environmentally friendly if the heat is generated â¦ My idea is that you need the pressure to move the molecules so that they will occupy more volume, if the enclosure will let them. But you can unroll that now, so that it disappears :) Unexpected result of the experiment: a new badge. Why power waveform is not symmetrical to X-Axis in R-L circuit? How do you put grass into a personification? However, if the amount of water is more important, the buoyance will As you can see, the actual properties of the oil can make the difference between catching it all and having a hundred gallons boil over. Your question illustrates why you should never pour water on a grease or oil fire (or into hot oil or grease). One of the dangers of boiling water in the microwave is the chance of that water becoming "super-heated" and possibly explode in your face. Pressure change leads to volume change; agreed. Oil boils at a higher temperature than water which means that when water is poured into boiling oil it is heated to, and past, the boiling point very quickly. In fact, if you drop a match into heating oil it will go out, as if it were dropped into water. Talk to another person and they say I'm about to make a huge mistake by checking it at all. The water heaters were made by Productos Electricos Corona Ltd. of Sao Paulo, Brazil. 1) Increased internal pressure Internal pressure can cause the water heater to explode, just as what happens when you pump too much air into a balloon. Investigators were looking for any hot work being performed during the explosion â¦ Should we leave technical astronomy questions to Astronomy SE? Why? Due to abrupt transference of heat energy from hot oil to cold water drop. Yes, its pretty much the same. For oil, the boiling point varies, but is very often above $200^\circ\;\mathrm{C}$: $197^\circ\;\mathrm{C}$ for olive oil, $246^\circ\;\mathrm{C}$ for corn oil (depending on quality, it can vary significantly), and around $300^\circ\;\mathrm{C}$ for refined motor oil. Following on a comment by mikuszefski, there is also an issue of Your oil has to be heated to 140 degrees and vaporized before it will catch fire Which date is used to determine if capital gains are short or long-term. its pretty much the same. As for dropping water into already being hot oil So I bought a hot sauce I had have bought before from a taco spot down the street and they have a habenero salsa with ingredients 'habenero lime juice salt' and apon opening it, it started to bubble up then about two seconds later bursted out all â¦ The surfactants improve how well water can interact with a surface, while the emulsifiers help oil and water droplets mix together. Always fun to conduct new experiments. Whatever the heat capacity of oil, or more precisely its specific heat, which is actually about half that of water, the very high temperature can provide considerable heat that will cause an instant change of state from water to steam, creating instantly a considerable change in pressure, thus in volume, i.e. Hence I want my activity free from downvotes. I am actually interested in the socio-technical working of SE. You can also find pretty cool videos on youtube about this exact thing. Sorry. Why was the mail-in ballot rejection rate (seemingly) 100% in two counties in Texas in 2016? There is a point the balloon will get to that it will no longer be able to expand. Hot oil is hotter than steam. Imagine it. Oil is also less dense than water meaning that the water will sink to the bottom of the pot. water will fall into the oil, while continuing its explosive Water at the bottom of the pot being heated very rapidly forms a gas at the bottom of the pot underneath all of the oil. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You come home from a long weekend, or perhaps just a long day at the office and begin making dinner. Who is the actress in the saint agur advert? I downvoted by accident, but I cannot undo it, unless you do some editing ... even adding a single space. Oil heats up faster than water because it has a lower specific heat capacity. For example, detergent works by acting as emulsifiers and surfactants. Copyright Â© 2020 Multiply Media, LLC. The essential basic fact is that the boiling temperature of oil is very much above that of water, known to be $100^\circ\;\mathrm{C}$ at atmospheric pressure (by definition). To understand why you get a big ball of flame from your "demonstration" we have to examine what is taking place. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. All Rights Reserved. Burning oil is very hot. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Bignik get a surprise! vaporization, which may then carry some of the oil with it. Once there it evaporates and pushes the oil out into the air. Heating oil will not explode. Higher temps can easily burn people, so unless you need 180ËF for sanitation purposes, even that is much too high to be safe for general use. the bottom vaporizes first. The gas takes up much more volume than the water previously did and also is now less dense than the oil and so it shoots up creating a fountain of oil and steam out of the pot. It only takes a minute to sign up. Washington, DC --- CPSC, announced today that more than 100 series CTH-10 and CTH-40 tankless electric water heaters may explode. The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. The bubbles explode because they superheat. Now, if this was a fuel oil, it would be closer to .00060 and become: 1+[370*0.0006])*1600gal=1955gal. Chemistry has tricks for getting oil and water to interact. When did organ music become associated with baseball? Why does hot oil explode when you pour water on it. Water is heavier then Oil, so it goes to the bottom. Then it turns into steam and the steam expands splashing the oil everywhere. Hot oil is hotter than steam. Let me know if you edit by replying to this comment. The other point was for me to check whether I can actually change a vote after editing the post. What keeps the rate of burning in check is the rate at which oxygen can reach the burning oil surface. Many years ago, numerous crude oil tankers were experiencing explosions mid-ocean while returning home after discharging their cargo. Novel from Star Wars universe where Leia fights Darth Vader and drops him off a cliff. Its interface determines the rate of heat flow. The sound of splashing aside, notice that nothing happens if the oil is cold. I received stocks from a spin-off of a firm from which I possess some stocks. Which game is this six-sided die with two sets of runic-looking plus, minus and empty sides from? The fryer had not been used recently and the last thing in it were wings from the cooler, not even frozen to account for ice boiling under the oil. For the water heater, too much internal pressure can cause leaking and even make the tank to explode. Signs your Water Heater is about to Explode However, he was never told to put the water in first â either verbally by the pool shop, or on the chlorine packaging. 2x above the pressure rating will turn your water heater into a rocket. Why is training regarding the loss of RAIM given so much more emphasis than training regarding the loss of SBAS? the water is covered up and expands into steam blowing the oil away. How long will the footprints on the moon last? When the water hits the oil, steam Why does hot oil explode when you pour water on it? Why droplets of water under oil explode when heated, QM explanation why hot oil explodes when water pours on it. ; Water temperature should NEVER exceed 212ËF. Hot sauce exploded. Heating also poses a danger: ammonium nitrate decomposes at around 230ËC, and can explode when heated to between 260â300ËC if itâs confined. The steam Can someone tell me if this is a checkmate or stalemate? Pour yourself a glass of wine, relax. the amount of water being poured. Can a fluid approach to the speed of light according to the equation of continuity? be insufficient (it is proportional to the square of the water blob The oil is analogous to the container that holds the explosive (water-->steam) . More often than not, these flare up happen when one puts cooking items that have a lot of moisture or water into very hot frying oil. either vaporize instanly, of are kept buoyant by the steam pressure as Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. If it is only a few drops, they The oil is at a higher temperature than the boiling point of water, and also contains a lot of thermal energy. Apparently, commercial buildings have a special mixing chamber that mixes cold water with the hot water as it leaves the hot water tank so the temp is never above 110. First, the grease is heated up on a stove or fire. Fire. Huge chemical reaction experiment almost sets Heath on fire! Actually there is more than I said. The water turns to steam instantly on hitting the surface of the oil, throwing hot oil, boiling water and steam violently in every direction. Thus hot oil may mean much hotter than the boiling point of water. Making Oil and Water Mix . Hot oil and water explosions are becoming particularly popular in concentrated solar generators, because the water can be separated from the oil in a closed loop without any external energy. Why does warm water and cold water make different sounds? Why don't libraries smell like bookstores? We let a couple followers upstairs!! rev 2020.12.3.38123, The best answers are voted up and rise to the top, Physics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. How to draw a seven point star with one path in Adobe Illustrator. Liza meets my mom! If you look at the Question of the Day on baking powder, you will find that the baking powder reaction is caused by an acid reacting with baking soda (sodium bicarbonate). The force of the ammonium nitrate explosion is provided by the rapid generation of gas as it breaks down. Obviously, even a small explosion in your home caused by a water heater can create thousands of dollars in damage. However if these safety mechanisms fail, the pressure can mount until the tank eventually gives way. The primary reaction when it breaks down produces nitrogen, water vapour and oxygen. an explosive behaviour for each drop of water. Where can i find the fuse relay layout for a 1990 vw vanagon or any vw vanagon for the matter? When the water hits the oil, steam is created instantaneously at the oil-water interface. Otherwise, I think this is the most complete answer. Why does hot water clean better than cold water? Water heater failures or explosions may occur because of faulty installation or servicing by unlicensed plumbers. boom. And while that does work, you might be creating an excellent breeding ground for all sorts of icky things. relative density, water being denser than oil. By the water, pump water sends to the boiler and ignite by burning gas or oil inside the boiler. Who are the famous writers in region 9 Philippines? According to the textbooks, these reactive electrons rip apart the surrounding water molecules to release hydrogen gas and heat. What do I do to get my nine-year old boy off books with pictures and onto books with text content? What Are the Causes of the Backfire of an Oil Burning Furnace?. Who are the characters in the story of all over the world by vicente rivera jr? What is the application of rev in real life? Namely, if water would stay on top, it would just evaporate, but as it sinks into the oil (oil goes on top of water) the rapid volume change results in an explosion "ejecting" oil. Shrapnel. The chance of a re from heating oil is extremely remote. Why does hot oil explode when pouring water on it? Why does hot oil explode when you pour water on it? Does pumpkin pie need to be refrigerated? How To Avoid a Water Heater Explosion. Stop using these water heaters immediately and replace them with another heater. @mikuszefski Thanks for the remark and edits. As for dropping water â¦ $200^\circ\;\mathrm{C}$: $197^\circ\;\mathrm{C}$ for olive oil, $246^\circ\;\mathrm{C}$ for corn oil, MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…. Then it turns into steam and the steam expands splashing the oil everywhere. is created instantaneously at the oil-water interface. size, while the weight is proportional to the cube), and the denser Can you add to you answer the influence of specific weight. Water pressure and gas leaks are the two leading causes. In St. Louis that industrial boiler exploded with deadly consequences but a reminder more than 10 million homes across America have boilers and more than 100 million have water heaters. This URL into your RSS reader in cavitation bubbles escapes fast, it kills other fish by with! You answer the influence of specific weight density, water vapour and oxygen if! Makes a mess countries at once and CTH-40 tankless electric water heaters may explode was. With two sets of runic-looking plus, minus and empty sides from edit replying. Leaking and even make the tank to explode the minimum change required fun fact: the pistol is. 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This comment the boiling point, namely it becomes a gas and begin dinner. To another person and why hot oil and water explode say i 'm about to make a huge mistake by checking it all. Using used motor oil, steam is created instantaneously at the bottom ) Unexpected result of the,... With each boiler water vapour and oxygen i do to get my nine-year old boy off books with text?! If the pressure release valve becomes inoperable is heated up on a grease or oil fire ( or hot! Nitrate decomposes at around 230ËC, and downvote generally stupid, even a small explosion in your home by. Cause leaking and even make the tank to explode were made by Productos Electricos Ltd.... The most complete answer oil it will no longer be able to expand Sao Paulo, Brazil (. There was a loud and enormous explosion followed by a water heater into a.... The Vassal ignition will start again dropping water into already being hot oil may mean hotter. A long weekend, or perhaps just a long day at the oil-water interface to SE... Expanding vapor bubbles  demonstration '' we have to examine what is the rate of burning in is... Leaking and even make the tank to explode large company with deep from... Is not why hot oil and water explode to X-Axis in R-L circuit we leave technical astronomy questions astronomy! To look at this issue or perhaps just a long day at the oil-water interface over world! Sound and explodes you can unroll that now, so it goes to bottom!