Adhesion of a species onto the surfaces of particles.
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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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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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What are Compound Microscopes?
Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...
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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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Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
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Spectator Ions
Ions in a solution that do not participate in a chemical reaction.
Specific Heat
The amount of heat required to raise the temperature of one gram of substance one degree Celsius.
Coordination Isomers
Isomers involving exchanges of ligands between complex cation and complex anion of the same compound.
Reducing Agent
The substance that reduces another substance and is oxidized.
Solute
The dispersed (dissolved) phase of a solution.
Semipermable Membrane
A thin partition between two solutions through which certain molecules can pass but others cannot.
Absorption Spectrum
Spectrum associated with absorption of electromagnetic radiation by atoms (or other species) resulting from transitions from lower to higher energy states. An absorption spectrum is the inverse of an emission spectrum.
Equilibrium Constant
A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.
Liquid Aerosol
Colloidal suspension of liquid in gas.
Inhibitory Catalyst
An inhibitor, a catalyst that decreases the rate of reaction.
