Sulfur and flash

Published April 14, 2018

Sulfur and flash

Sulfur comes in very easily in the reaction. When connecting other elements to sulfur, a flash often occurs. Thus, for example, when a mixture of sulfur and lead dioxide is triturated, a flash occurs in the mortar...

Sulfur with metals

Published April 14, 2018

Sulfur with metals

Sulfur acts as an oxidizer for metals. Sulfur with metals very easily connects. Therefore, there are many sulfurous metals in nature. These are the ores from which metals are mined. Sulfur combines directly with almost all metals, releasing heat. It is necessary only in one place to set fire to mixtures of sulfur with metals, and the reactions...

Glass

Published April 14, 2018

Glass

Glass, from which glass windows are made, is called ordinary glass. The chemical composition is sodium-calcium hexasilicate Na2CaS6O14, or Na2O**6S2. Modern science, technology, and even everyday life can not be satisfied only with this, because it has many shortcomings...

Fireworks with H2SO4 and KMnO4

Published April 14, 2018

Fireworks with H2SO4 and KMnO4

Experience - Fireworks with H2SO4 and KMnO4. In a small cylinder (250 ml), pour 50 ml of concentrated H2SO4. Carefully along the wall of the cylinder (so that the liquids do not mix) pour the same volume of wine alcohol from above. KMnO4 crystals are poured into the liquid in small portions...

The crystallization phenomenon

Published April 14, 2018

The crystallization phenomenon

An interesting crystallization phenomenon can be observed in some salts. There are salts that have the property of glowing during crystallization. To demonstrate this phenomenon, you need to have a chemically pure potash and Sulfuric acid potassium in the form of saturated solutions...

Diamonds from alcohol

Published April 14, 2018

Diamonds from alcohol

Diamonds from alcohol? Someone with doubt shakes his head. However, the technique for obtaining diamond microcrystals from alcohol vapors has long been developed at the Japanese Institute of Technology, located near Tokyo. It is simple: a silicone plate is placed in a sturdy cylindrical vessel 50 cm in diameter...

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