A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.
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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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Interesting facts about metals
Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.
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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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Gas of rotten eggs
If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.
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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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Corrosion
Oxidation of metals in the presence of air and moisture.
Effective Molality
The sum of the molalities of all solute particles in a solution.
Basic Salt
A salt containing an ionizable OH group.
Salinometer
An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."
Electron
A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.
Spectral Line
Any of a number of lines corresponding to definite wavelengths of an atomic emission or absorption spectrum, represents the energy difference between two energy levels.
Solvation
The process by which solvent molecules surround and interact with solute ions or molecules.
Activity Series
A listing of metals (and hydrogen) in order of decreasing activity.
Avogadro's Number
The number (6.022x10^23) of atoms, molecules or particles found in exactly 1 mole of substance.
Standard Entropy
The absolute entropy of a substance in its standard state at 298 K.
