In aqueous solution, the process in which a solid ionic compound separates into its ions.
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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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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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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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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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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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Oil
Liquid triester of glycerol and unsaturated fatty acids.
Pauli Exclusion Principle
No two electrons in the same atom may have identical sets of four quantum numbers.
Barometer
A device for measuring pressure.
Amino Acid
Compound containing both an amino and a carboxylic acid group.The --NH2 group.
Polyprotic Acid
An Acid that can form two or more hydronium ions per molecule, often a least one step of ionization is weak.
Dynamic Equilibrium
An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.
Inhibitory Catalyst
An inhibitor, a catalyst that decreases the rate of reaction.
Excited State
Any state other than the ground state of an atom or molecule.
yield
The quantity of product formed by the interaction of two or more substances, generally expressed as a percentage of the quantity obtained to that theoretically obtainable.
Atomic Mass Unit (amu)
One twelfth of a mass of an atom of the carbon-12 isotope, a unit used for stating atomic and formula weights, also called dalton.
