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The amount of heat that must be removed from one gram of a liquid at its freezing point to freeze it with no change in temperature.

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Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Vapor Pressure

The particle pressure of a vapor at the surface of its parent liquid.

Harmful Chemicals Found In Food

It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to which one is healthy or not and which produces the best results. There is one thing that almost every can agree on. That being high sugar and caffeine products like sodas are not good for you, but those are not the only dangers found in food and beverages.

yttria

Y2O3: A white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.

Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.

Radical

An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

Chemical Hygiene Officer (CHO)

A person or employee who is qualified by training or experience to provide technical guidance in the development and implementations of the provisions of a Chemical Hygiene Plan (CHP)

Saturated Solution

Solution in which no more solute will dissolve.

Derivative

A compound that can be imagined to arise from a partent compound by replacement of one atom with another atom or group of atoms. Used extensively in orgainic chemistry to assist in identifying compounds.

Ionic Geometry

The arrangement of atoms (not lone pairs of electrons) about the central atom of a polyatomic ion.