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Mathematics is perhaps one subject that gives nightmares to many students. Most of us so much afraid of mathematics that this phobia of math can keep us away from other favorite subjects like physics, chemistry and computer science. These tricks help you to finish your math homework easily and accurately.
22 Feb 2017
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0:35
Find your dream job from a number of job opportunities in Teaching category. Apply today for online teaching jobs in a wide range of subjects: - science, math, chemistry, physics, history or management subjects.
7 Mar 2017
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3:04
Rip up the rules books and scatter the pieces into oblivion because what you’re about to experience from Chanel & The Circus is beyond anything you’ve ever imagined before. Landing onto UK shores fresh from LA, Chanel & The Circus kick an exciting dent into 2017 with a striking debut dance-rock single entitled ‘High Standards’, released on 24 March. Add theis to a string of UK tour dates this Spring and a debut album planned for the Autumn and you’ll quickly see that Chanel & The Circus are coming to town and they mean business! Punching and pounding its way out of the standard musical genre, Chanel & The Circus deliver a dance-rock twist, fused with a dash of the extraordinary; all shrink-wrapped in the quirky melodic form of ‘High Standards’. This track is the start of the Chanel story, depicting how this pioneering artist fights with her desire for perfection. ‘High Standards’ is a shaking up of those standards, giving everyone liberty to do what they want. A funny upbeat biting love song, ‘High Standards’ was recorded at Blackhill Studios with Tom Gibson in Southampton. In true quirky Chanel style, Chanel ‘won’ Tom in a raffle as a ‘producer for a day’. The chemistry was instantly electric and a full album resulted. ‘High Standards’ and the Chanel & The Circus debut EP are the first releases from that forthcoming album.
20 Mar 2017
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1:58
911 Attack-the link of physics and chemistry in (11 attacks explained
11 Jan 2007
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1:03
NOW IN ENGLISH: http://www.science-tube.com www.netexperimente.de chemistry experiments Experiment 115 - fluorescence of various materials part 1 Chemie Versuche - Fluoreszenz verschiedener Materialen Teil 1 Did you enjoy the video? Go to http://www.science-tube.com and watch more of my videos. If you have interst, please contact me for shows, presentations or further education. Also do not hesitate to write me, if you have a question or want to see a new experiment on video.
10 Jul 2007
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0:57
NOW IN ENGLISH: http://www.science-tube.com www.netexperimente.de chemistry experiments Experiment 119 - Sodium on water part two Chemie Versuche - Natrium auf Wasser 2
10 Jul 2007
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0:17
This has to be one of the best loved show experiment amongst Flensburg’s chemistry students: The wax flame thrower! Since the experiment has found its way into the Flensburg laboratories, it has been shown at a number of events to great acclaim from the audience. This experiment is a relatively safe way to demonstrate combustion. It can also be used in fire safety education. If you try to extinguish burning fat or the wax on the Christmas decorations with water, you get the same effect. This is a serious risk, as your intuition will always tell you to use water to put out a fire. But in these cases, that would be the worst thing to do – as this experiment demonstrates. The combustion you can see so clearly in the video comes about through a number of steps. 1. The test tube is around 400° C hot; exposed to the cold water, it cools down rapidly and the bottom of the tube shatters. 2. Through the hole thus caused, water enters the test tube and meets the hot wax. 3. The water in the test tube evaporates immediately, greatly expands in volume and drives the liquid wax upwards and outwards. 4. The liquid wax and further gaseous components are ejected from the tube and finely disseminated. 5. The heat, fine dissemination and consequent high saturation with Oxygen mean that small, cracked particles (Hydrogen radicals) ignite in the waxen steam. 6. The flame of the radical reaction ignites the liquid part of the wax mixture. So, there is also a lot going on chemically with this experiment. Did you enjoy the video? Go to http://www.science-tube.com and watch more of my videos. If you have interst, please contact me for shows, presentations or further education. Also do not hesitate to write me, if you have a question or want to see a new experiment on video.
10 Jul 2007
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0:30
Nitric acid is one of the strongest acids in chemistry. Nitric acid is still used today in the mining of Gold as it dissolves common metals very effectively. It even attacks Silver but not Gold – which is why gold is so easily divided from other metals. Gold does not react with Nitric acid. The Magnesium and the Copper shavings react very quickly, releasing a reddish brown gas. The Zinc granules react after a little while in the same way. What is left in the flasks is a solution of the metal salts created by the reaction – the Copper Nitrate solution is green, the Zinc and Magnesium Nitrate solutions are yellow. Nitric acid attacks almost all common and even some of the precious metals, such as Silver and Copper. The only exceptions are the ‘noble’ metals, Gold, Platinum and Iridium. A few other metals, namely Iron, Chrome and Aluminium, are also immune because of their passivation. They form a protective oxidized layer which cannot be dissolved by the acid. Zinc also forms such a layer but it does depend on the distribution of the metal – the finer the dissemination in the acid, the stronger and quicker the reaction. Oxidation: 3 Mg ->3 Mg2+ +6e- Reduktion: 2 NO3- + 8H3O+ + 6e- -> 2 NO + 12 H2O 3 Mg + 2 NO3- + 8 H3O+ -> 3 Mg2+ 2NO + 12 H2O The released Nitrogen Monoxide is colourless but reacts immediately with the Oxygen to form brown Nitrogen Oxide. 2 NO (uncoloured) + O2 -> 2 NO2 (brown)
10 Jul 2007
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4:35
School rate of chemistry in plasticine
11 Sep 2007
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2:13
chemistry experiment
10 Oct 2007
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0:37
our chemistry experiments
3 Jan 2008
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0:09
An Experiment on the the Chemistry Course. An Ballon filled with hydrogen explode. Kemi Experiment
15 Jan 2008
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19:28
Better Chemistry's music is about the journey of the soul, spirit and the challenges and joys of life -- the pitfalls of love and relationships. propulsive brew of reggae rock ska and funk. Band performs three songs live in the studio. Hosted by TFG.
10 Jul 2009
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0:31
CHEMISTRY is The foumous Japanese R & B group. this video is thier 3rd Albums CM.
30 Mar 2008
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0:44
A student is playing with a chair in the organic chemistry laboratory just before the professor arrives.
2 Apr 2008
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5:04
Parleys Diesel Performance and Utah BioDiesel Supply lay out the chemistry of what is needed and what happens during a bio diesel titration. http://www.parleysdieselperformance.com Watch my how-to video, <a href="http://www.wonderhowto.com/how-to-video-190002/">How to make a biodiesel titration kit</a> on WonderHowTo.
20 Jun 2008
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