At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.
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Creating Malachite egg
One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...
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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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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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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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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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Square Planar Complex
Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.
Element
A substance that cannot be decomposed into simpler substances by chemical means.
Acid Anhydride
Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.
Semiconductor
A substance that does not conduct electricity at low temperatures but does so at higher temperatures.
Equivalence Point
The point at which chemically equivalent amounts of reactants have reacted.
K Capture
Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.
Distilland
The material in a distillation apparatus that is to be distilled.
End Point
The point at which an indicator changes colour and a titration is stopped.
All Chemicals - Chemical Glossary
The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.
Capillary Action
The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.
