Potassium is an "evil" element, but it's crucial to life. In this video see some violent explosions and the gentle creation of a potassium mirror. More chemistry at www.periodicvideos.com Follow us on Facebook at www.facebook.com And on Twitter at twitter.com Periodic Videos films are by video journalist Brady Haran
A chemical demonstration of the reaction between sodium and water and between potassium and water. Carleton University, Ottawa, Canada.
Carleton University Chemistry Demonstration Sodium Potassium Water robertburkottawa
Learn more about potassium and how to assess for abnormal values in your patient. From: www.ed4nurses.com
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Treat low potassium in blood levels by eating avocados, bananas, tomatoes and dried apricots. Find out what else to eat to treat low potassium blood levels withtips from an licensed dietitian in this free video on eating healthy. Expert: Christine Marquette Bio: Christine E. Marquette is a registered and licensed dietitian with the Austin Regional Clinic in Austin, Texas. Filmmaker: Todd Green
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High blood pressure may be helped by a diet high in potassium. Learn more about the effects of potassium on blood pressure with tips from a doctor in this free health video. Expert: Dr. Robin Terranella Bio: Dr. Robin Terranella has a medical degree from Bastyr University and has trained at Wu Hsing Tao Acupuncture School. Filmmaker: Dustin Daniels
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There's a reason why I started with 250 mg (1/4gram) of potassium. When dealing with potentially hazardous stuff, you need to have a good feel of what the hazards are. The scale-up went 1/4 g, ~1.5g, then 8 grams. The 8 grams did not destroy the shatter resistant jug, but it sure made a mess of the plastic container on which it stood. What you see in this video is a concerto of chemistry and physics. However I'm currently on the road, and really don't have much time or resources to make a detailed video about it at the moment. Will hopefully get something out later though :-) This video was made with material purchased with donations to the thunderf00t channel and is available under a creative commons, share-alike, attribution license (attribution Thunderf00t). The music (available under the same license) is Windpearl, Mother Earth, track 4.5 billion years. Who'd a thunk it!
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What Is Potassium Name Origin From potash (pot ash); K from latin: kalium "Potassium" in different languages. Sources Found in minerals like carnallite [(KMgCl3).6H2O] and sylvite (KCl). Potassium makes up about 2.40% of the weight of the Earth's crust, it is the seventh most abundant element. The main sources of potash are mined in USA (California, New Mexico and Utah) and Germany. Around 200 tons are produced annually. Abundance Universe: 3 ppm (by weight) Sun: 4 ppm (by weight) Carbonaceous meteorite: 710 ppm Earth's Crust: 15000 ppm Human: 2 x 106 ppb by weight 3.2 x 105 ppb by atoms Uses Used as potash (potassium carbonate) in making glass, soap, lenses and salt substitute. Also as potassium nitrate (KNO3, also called saltpeter) it is used to make explosives and to colour fireworks in mauve. Glass treated with liquid potassium is much stronger than regular glass. Potassium chloride (KCl) is used as a substitute for table salt and is also used to stop the heart, eg in cardiac surgery and in executions by lethal injection in solution. History Potassium was discovered in 1807 by Sir Humphry Davy, who derived it from caustic potash (KOH). Potassium was the first metal that was isolated by electrolysis.
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Potassium is element number 19. Videos about all the elements at www.periodicvideos.com
Potassium Perchlorate is Synthesized by the Electrolysis of a Sodium Chloride Solution. The Solution First Becomes Sodium Chlorate and then with Continued Electrolysis, Sodium Perchlorate. The Solution of NaCL04 is Then Matathesized, by way of a Potassium Chloride Solution to Produce KCL04 Anode is Platinum Clad Niobium. Cathode is Stainless Steel
Potassium Chlorate Perchlorate Electrolysis Matathesis Chemistry Experiment ytmachx
A very violent reaction of sodium and then potassium with water. 2Na + 2H2O forms 2NaOH + H2 2K + 2H2O forms 2KOH + H2
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This video shows what happens when you mix potassium permanganate with brake fluid. It's pretty cool, and a little more violent than the classic KMnO4 + Glycerin trick. I sell Potassium Permanganate in my store! styropyro.com
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This short video shows the molecular dynamics of a voltage-gated potassium channel (kv1.2) embedded in a lipid bilayer. The Kv1.2 structure is shown as pink cartoon; the lipid bilayer is represented as cyan sticks (lipid phase) and the phosphate moieties are in orange. The green sphere represents K+ ions bound to the selectivity filter. Only a tiny fraction of the total number of water molecules are represented here.
Potassium Chlorate is a strong oxidizer. In this demonstration, it is heated and a sugar cube is then added. The reaction in the video is the result. Subscribe for more! www.monkeyvsgravity.com Music Kevin MacLeod
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If you want to read about this video and how it relates to the recent concerns about radiation in Japan, see the following post on my blog: thehomescientist.blogspot.com Here I make potassium iodide from elemental iodine and potassium hydroxide. 3I2 + 6KOH == 5KI + KIO3 + 3H2O The coproduct of potassium iodate can be separated easily because it is far less soluble in water, and to ensure it was all precipitated out I immersed the solution in an ice bath. This video is a good demonstration of how things really go when you do chemistry yourself. You start with a bunch of assumptions, and a lot of the time many of these are proven wrong and you have to figure out another way to do it. For example, the additional heating I had to do and the fact that I used too much iodine. I've added a number of annotations to highlight this as well.
We make potassium permanganate from the potassium nitrate and manganese dioxide we obtained in previous videos. Warning: This experiment deals with very high temperatures in glass equipment. Face shields and protection against shattering glass is required. In addition small quantities of toxic gases are produced. This experiment should be performed outside or in a fume hood. Make a vial with a mixture of 7 grams of potassium nitrate and 1 gram of manganese dioxide. Using a torch carefully heat the mixture so they melt together. Smoke and fumes should be liberated as the potassium nitrate oxidizes any contaminants in the manganese dioxide. Keep the mixture molten for a few minutes. Now add 2 grams of potassium hydroxide and heat the mixture again thoroughly. It will boil and turn green as the reactants generate potassium manganate. Keep it on a gentle boil for several minutes. Let the vial cool and then smash it apart with a hammer. Obtain the green solid and pulverize it into a powder. Mix this powder with 50 mL of water and dissolve the green potassium manganate. Let it settle and then pour off the solution. The solution can be converted to potassium permanganate by adding drops of either sulfuric acid or sodium bicarbonate. Just keep adding and stirring until the solution turns purple. If you go too far it will turn light pink indicating the permanganate has been destroyed. Let the byproduct of brown manganese dioxide settle out and the liquid is a weak solution of <b>...</b>
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How to make potassium nitrate at home with instant cold packs and "sodium-free" salt. "Sodium-free" salt is actually potassium chloride. Instant cold packs contain ammonium nitrate and if the two are mixed potassium nitrate and ammonium chloride are formed in equilibrium. Fortunately potassium nitrate has lower solubility than ammonium chloride at colder temperatures giving us a means of separation. Just mix 40 grams of ammonium nitrate with 100mL of water and stir until dissolved. Filter the mixture directly into 37 grams of potassium chloride. Gently heat until completely dissolved, do not boil. Cool the mixture to 0 Celsius in the freezer or on an ice bath. Filter the crystals and dry them. Now you have potassium nitrate. To test it mix 2 parts potassium nitrate with one part sugar and light it up. It should burn with a purple/pinkish flame.
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How to Make Potassium Chlorate from Bleach and sodium-free salt. Warning: This produces small amounts of chlorine gas, this should be done outside or in a fumehood. Potassium chlorate is a useful oxidizer and small amounts can be easily made using household chemicals. Start by boiling a large quantity of household laundry bleach, at least half a liter, until crystals start to precipitate. Immediately take it off heating and let it cool. As it cools make a saturated solution of potassium chloride. Potassium chloride is sold as a "sodium-free" salt substitute. Now once the bleach is cooled, measure out an equal volume of potassium chloride solution and pour into the boiled bleach solution but do not mix in the crystals. Stir up the mixture and eventually potassium chlorate crystals will precipitate out. What's happening is the sodium hypochlorite in the bleach is disproportionating to form sodium chloride and sodium chlorate. Adding the potassium chloride exchanges the ions and precipitates out potassium chlorate. The boiling is required for this reaction to work; you can't simply let the bleach evaporate.
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Filmed from 3 angles, underwater, water level, and above the water. The sound is recorded underwater. License Attribution-ShareAlike CC BY-SA -attribution Thunderf00t
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Modern diets contain too much sodium and not enough potassium. Learn more about getting proper sodium and potassium levels with tips from a certified nutritionist in this free health video. Expert: Ken Babal Bio: Ken Babal is a certified nutritionist. He now has his own private practice. Filmmaker: Nili Nathan
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How to make sodium nitrate, which can substitute for potassium nitrate in almost all pyrotechnic purposes except flame color. Note: Sodium Nitrate is somewhat hygroscopic. Stuff you make from it such as pyrotechnic compositions should be used soon after making and not stored for extended periods of time. WARNING: Both procedures produce large quantities of ammonia gas. You have to do this experiment outside or in a fumehood. First get ammonium nitrate from an instant cold pack as seen in our previous video: www.youtube.com For the baking soda method. Get 80 grams of ammonium nitrate and dissolve it in 150mL of water. Filter it off directly into 84 grams of sodium bicarbonate, which is baking soda. Don't expect it to dissolve, it won't. Boil the mixture down to 100mL or less. This is needed to decompose the ammonium bicarbonate that's formed. You cannot simply evaporate the mixture. The boiling will release large amounts of ammonia so you have to do this outside or in a fumehood. Once it's boiled, leave it to evaporate until dry. Sodium nitrate will decompose if heated too strongly so you cannot boil it down all the way dry unless you can ensure the temperature never goes above 200 Celsius. Leaving a little water is the safest way to ensure the best product. For the sodium hydroxide method: Place 80 grams of ammonium nitrate in a tall container and pour 40 grams of sodium hydroxide on top. Then carefully pour 30mL of water and stand back. It will quickly react to generate <b>...</b>
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*edit* Spectracide Stump Remover now comes in a black bottle with a black lid, however, the shape remains the same. www.lowes.com READ THE FOLLOWING BEFORE WATCHING: This is a video response to the "How To Make Explosive White Powder" video. In this video, your questions will be answered about where to get various chemicals. Seriously guys, no more questions about "where do i buy potassium nitrate" or "where do i but stump remover". Watch this to find out where to buy it, and shut up. Read the comments before you post, or even try using the nice search engine called "Google". One more thing: Saltpeter (saltpetre) IS Potassium Nitrate. It can also be sodium nitrate, but that's not much of a difference. Sodium Nitrate and Potassium Nitrate are virtually the same.
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I did not make this video. I found it online on a website called McGraw Hill.
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Direct Conversion of Potassium Chloride to Potassium Chlorate by Electrolysis of a Hot Solution of Potassium Chloride The platinum clad niobium screen anode is from Anomet
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www.fatnews.com Hi this is Larry Hobbs @ fatnews.com. Potassium bicarbonate lowered my blood pressure nearly 20 points to 121/72 mm Hg. I believe potassium bicarbonate is superior to potassium chloride because we used to consume more potassium (3-4 times more), more bicarbonate, and less sodium (3-10 times less) and less chloride as has been noted by researchers from the University of California, San Francisco who have been studying this for 15 years or more. Potassium bicarbonate has been shown to - reduce bone loss - reduce muscle loss - attenuate the reduction in growth hormone that occurs with age - reduce kidney stone formation Citrate is a precursor to bicarbonate in the body, so potassium citrate found in food is converted in the the acid-neutralizing bicarbonate in the body. The researchers argue that our diet is mismatched with our genes, and that we suffer from a low-grade, diet-induced, metabolic acidosis that may be causing many of the age-related health problems that occur.
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I'm not dead anymore :D Song: The Dickies Banana Splits Anime: Kara no Kyoukai - the Garden of sinners (movie) Comments: Based off the scene from the movie "Kickass" where Hitgirl fights to this song. Blame Kisanzi, it was his idea.
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Major change: I used a better microphone to record the voice, see if the voice is clearer. Please feel free to give feedback on video style. IMPORTANT: All content here meant to be Educational,None of the above experiment should be repeated on your own. This reaction produce purplish flame when Conc. suulfuric acid is added to the mixture. The principle behind the initiation could be complex, but mainly because of Chlorine dioxide formed and medium supplied by Conc. Sulfuric acid. Rate, comment and subscribe if you like! Music: Rocket by Kevin MacLeod @ incompetech.com Licensed under Creative Commons "Attribution 3.0"
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Binary Fire Starting Compound Potassium Permanganate + Glycerine after watching survivor man use it, i wanted to try it, so i bought some... my review?... dont waist your cash, buy a 25c Bic lighter, your better off... if its wet out, this is useless, if it springs a leak in your bag and it mixes, your pack will go up in flames. when it ignites, its a flash fire, if you dont have something ready to burn, it will go out in 5 seconds...
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If you are interested in becoming a sponsor of this video or this channel, please contact me at thunderf00t@hotmail.com Potassium has been described as 'evil', and the description isn't far off. While the reaction of potassium with water is one of the most widely seen of all chemical reactions, with almost everyone who has sat through a chemistry class witnessing this reaction. However that doesn't mean it has nothing of interest left to offer. Its widely stated that the reaction is mostly K + H2O = KOH + 1/2H2, but that's a heterogeneous reaction. It's very difficult to see how you are going to get a detonation out of that! Nonetheless, a reaction occurring at near the speed of sound is observed.. Further, I cannot find any reference to colored gas being evolved by the reaction of potassium with water, but it clearly is! What is this gas? What gives it it's color, well I don't know yet, and as far as I can tell, noone else does either! Welcome, to the unknown! FYI, the 'Potassium is Evil' guy is quite right. As is clear from the guy who actually got quite lucky with misjudging the potassium reaction. I can tell you from experience that such explosions fire molten potassium in all directions. Facemask would have been prudent, as would not trusting in long tongs and arms length (meh, everyones a general after the battle!). University of Nottingham has a youtube site. www.youtube.com it's mostly good, but they do make the odd mistake. License Creative Commons, Attribution <b>...</b>
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Burning of potassium nitrate and sucrose. This is a dry mixture. Just weigh out the two reactants and mix together thoroughly. You can see in the video still the lilac colored flame due to the presence of potassium ions. I created this channel for the sole purpose to help spread the interest in science, mainly chemistry. The decline of scientific interest in the United States is rather disappointing. After I cruised YouTube a bit I noticed all the other channels similar to mine and I thought about canceling this channel; however, after thinking about the decline of science, I decided to keep making videos until I just run out of ideas. Be sure to subscribe!!!
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Follow the link below for a full article on high potassium foods which includes an extended list of potassium rich foods, health information, and warnings: www.healthaliciousness.com Potassium is an essential nutrient used to maintain fluid and electrolyte balance in the body. A deficiency in potassium causes fatigue, irritability, and hypertension (increased blood pressure). Overdose of potassium from natural sources is nearly impossible, however, it is possible to consume too much potassium via potassium salts which can lead to nausea, vomiting, and even heart attack. Potassium from natural food sources, like the ones listed below, are considered safe and healthy. The current recommended daily allowance for potassium is a whopping 3.5 grams. Photo Credits: Paprika and Red Chilies: SoraZG www.flickr.com Avocados: j_silla www.flickr.com Apricots and Dates: Itinerant Tightwad www.flickr.com Pistachios: Danielle Scott www.flickr.com Squash Seeds: Semarr www.flickr.com Fish: pelican www.flickr.com Beans: marc kjerland www.flickr.com Music: Opus 114 No. 2 for guitar -- Composed by Ferdinando Carulli Performed by Jujutacular commons.wikimedia.org Link to file and licence: commons.wikimedia.org A product of HealthAliciousNess.com www.healthaliciousness.com Comparison of Dried Apricots, Bananas, and Oranges www.healthaliciousness.com
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