The temperature at which liquid and solid coexist in equilibrium, also the freezing point.
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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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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...
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Why do copper products change color, and what is the name of the process?
Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.
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Use of diamonds
Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...
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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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Eutrophication
The undesirable overgrowth of vegetation caused by high concentrates of plant nutrients in bodies of water.
Donor Atom
A ligand atom whose electrons are shared with a Lewis acid.
Electron
A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.
Leclanche Cell
A common type of dry cell.
Mass
A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.
Ground State
The lowest energy state or most stable state of an atom, molecule or ion.
Polymer
A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points.
Homologous Series
A series of compounds in which each member differs from the next by a specific number and kind of atoms.
Colloid
A heterogeneous mixture in which solute-like particles do not settle out.
Effective Collisons
Collision between molecules resulting in a reaction, one in which the molecules collide with proper relative orientations and sufficient energy to react.
