A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.
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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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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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Chemical Safety
People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...
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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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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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Meniscus
The shape assumed by the surface of a liquid in a cylindrical container.
Linkage Isomers
Isomers in which a particular ligand bonds to a metal ion through different donor atoms.
Electronegativity
A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.
Electrolyte
A substance whose aqueous solutions conduct electricity.
Polyprotic Acid
An Acid that can form two or more hydronium ions per molecule, often a least one step of ionization is weak.
Isomorphous
Refers to crystals having the same atomic arrangement.
Nernst Equation
Corrects standard electrode potentials for nonstandard conditions.
Homogeneous Mixture
A mixture which has uniform composition and properties throughout.
Curie (Ci)
The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals 37 billion disintegrations per second or approximately the amount of radioactivty given off by 1 gram of radium.
Alcohol
Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.
