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Chemical bonding resulting from the transfer of one or more electrons from one atom or a group of atoms to another.

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  • Use of diamonds

    Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...

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    We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

  • Creating Malachite egg

    One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...

  • Interesting facts about metals

    Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

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    In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.



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Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Conformations

Structures of a compound that differ by the extent of rotation about a single bond.

Metallurgy

Refers to the overall processes by which metals are extracted from ores.

Specific Heat

The amount of heat required to raise the temperature of one gram of substance one degree Celsius.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Bubbles

Have you ever noticed that soap bubbles go up in winter and fall down in summer? The reason is that warm air is lighter than cold. And in winter the difference between the air temperature in the room (especially near the windows) and the one you exhale into the bubble is enough to overcome the heaviness of its shell.

Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

Solvolysis

The reaction of a substance with the solvent in which it is dissolved.

Meniscus

The shape assumed by the surface of a liquid in a cylindrical container.

xylose

A colorless, crystalline pentose sugar, C5H10O5, derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used.