Water containing deuterium, a heavy isotope of hydrogen.
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Gas of rotten eggs
If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.
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Varieties of garnet minerals
The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...
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Ozone
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.
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Why do copper products change color, and what is the name of the process?
Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.
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Features of the Scanning Tunneling Microscope
The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...
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How is colored crystal made?
However, not everyone knows that in addition to the traditional transparent, there is still an unusually beautiful and spectacular colored crystal, which is obtained through the addition of various metal oxides into the glass. They give the crystal unusually noble shades of red, purple, blue, green and pink colors.
Water Equivalent
The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.
Henry's Law
The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.
Extrapolate
To estimate the value of a result outside the range of a series of known values. Technique used in standard additions calibration procedure.
Percentage Ionization
The percentage of the weak electrolyte that ionizes in a solution of given concentration.
Foam
Colloidal suspension of a gas in a liquid.
Alloying
Mixing of metal with other substances (usually other metals) to modify its properties.
Ester
A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.
Secondary Standard
A solution that has been titrated against a primary standard. A standard solution is a secondary standard.
Liquid Aerosol
Colloidal suspension of liquid in gas.
