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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.

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Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

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.

Bonding Pair

Pair of electrons involved in a covalent bond.

Nonelectrolyte

A substance whose aqueous solutions do not conduct electricity.

Coordination Sphere

The metal ion and its coordinating ligands but not any uncoordinated counter-ions.

Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.

Supercritical Fluid

A substance at temperature above its critical temperature.

Double Bond

Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.

Condensed States

The solid and liquid states.

Mixture

A sample of matter composed of two or more substances, each of which retains its identity and properties.