A nuclear reactor that produces more fissionable nuclear fuel than it consumes.
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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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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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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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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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xenon trioxide
A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.
Antibonding Orbital
A molecular orbital higher in energy than any of the atomic orbitals from which it is derived, lends instability to a molecule or ion when populated with electrons, denoted with a star (*) superscript or symbol.
Atomic Orbital
Region or volume in space in which the probability of finding electrons is highest.
Ion Product for Water
Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.
Voltaic Cells
Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.
Heavy Water
Water containing deuterium, a heavy isotope of hydrogen.
Basic Anhydride
The oxide of a metal that reacts with water to form a base.
Supercritical Fluid
A substance at temperature above its critical temperature.
Dipole
Refers to the separation of charge between two covalently bonded atoms.
Periodic Table
An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.
