(Encyclopedia) enthalpyenthalpyĕnˈthălpē [key], measure of the heat content of a chemical or physical system; it is a quantity derived from the heat and work relations studied in thermodynamics. As a…
(Encyclopedia) sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol.
Although sulfuric acid is now one of the…
WHAT ARE FUSION AND FISSION? HOW IS A NUCLEAR REACTION CONTROLLED? RADIOACTIVITYFIND OUT MOREThe energy that makes the stars shine and produces the heat inside a nuclear reactor is nuclear energy.…
What's in a Color?Advanced-Level Science ProjectsChemistryWhat's in a Color?Copper Magic Are all colors created equally? Is the red dye in your favorite magic marker simply made up of red chemicals…
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After the death of Queen Elizabeth II, Britain’s late monarch, several processes were put into motion. Once her passing at Scotland’s Balmoral Castle was announced at 6:31 p.m. on…
(Encyclopedia) Salt, Sir Titus, 1803–76, English textile manufacturer and inventor. He invented a machine for making worsted from coarse wool and a process for spinning and weaving alpaca. In 1851 he…
(Encyclopedia) smelting, in metallurgy, any process of melting or fusion, especially to extract a metal from its ore. Smelting processes vary in detail depending on the nature of the ore and the…
U.S. Department of State Background Note Index: People History Government and Political Conditions Economy Foreign Relations U.S.-German Relations PEOPLEMost inhabitants of Germany are ethnic…
(Encyclopedia) distillation, process used to separate the substances composing a mixture. It involves a change of state, as of liquid to gas, and subsequent condensation. The process was probably…
