A substance that conducts electricity poorly in a dilute aqueous solution.
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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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Protein Design: Automated protein discovery and synthesis
In this paper I describe (theoretically) the method(s) of automated protein discovery and synthesis.
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What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support
Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...
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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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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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Semiconductor
A substance that does not conduct electricity at low temperatures but does so at higher temperatures.
Metalloids
Elements with properties intermediate between metals and nonmetals: B, Al, Si, Ge, As, Sb, Te, Po, and At.
Oxidation
An algebraic increase in the oxidation number, may correspond to a loss of electrons.
Specific Gravity
The ratio of the density of a substance to the density of water.
Standard Molar Volume
The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.
Polyene
A compound that contains more than one double bond per molecule.
Breeder Reactor
A nuclear reactor that produces more fissionable nuclear fuel than it consumes.
Effective Molality
The sum of the molalities of all solute particles in a solution.
Alkyl Group
A group of atoms derived from an alkane by the removal of one hydrogen atom.
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.
