All Chemicals - The Online 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.

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Third Law of Thermodynamics
The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.
Oil
Liquid triester of glycerol and unsaturated fatty acids.
Nuclide Symbol
Symbol for an atom A/Z E, in which E is the symbol of an element, Z is its atomic number, and A is its mass number.
Endothermic
Describes processes that absorb heat energy.
Dry Cells
Ordinary batteries (voltaic cells) for flashlights. radios, and so on, many are Leclanche cells.
Organic Chemistry
The chemistry of substances that contain carbon-hydrogen bonds.
Period
The elements in a horizontal row of the periodic table.
Dumas Method
A method used to determine the molecular weights of volatile liquids.
Polymerization
The combination of many small molecules to form large molecules.
Boiling Point Elevation
The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.

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