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An evaporating dish is a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, [a] and sometimes to their melting point.Evaporating dishes are used to evaporate excess solvents – most commonly water – to produce a concentrated solution or a solid precipitate of the dissolved substance.
On April 17, 2006, Google launched its own Da Vinci Code-related quest, based around the release of The Da Vinci Code's film version. It was created in coordination with Sony Pictures , and was called the Da Vinci Code Google Quest, [ 1 ] an online series of puzzles with a prize offered to those who answer all 24 puzzles correctly.
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...
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A rotary evaporator [1] (rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation.When referenced in the chemistry research literature, description of the use of this technique and equipment may include the phrase "rotary evaporator", though use is often rather signaled by other language (e.g., "the sample was evaporated ...
Starbright Asthma CD-ROM Game: Quest for the Code is an interactive asthma adventure game developed by Starbright. The game is available in both English and Spanish and free to both children with asthma and their carers. [3] The game was designed for educational purposes. [4]
As a teenager, Johnson attended Williamson High School, an all-black school in Mobile. [5] He drew much of his inspiration from George Washington Carver. [6] In 1968, Johnson represented his high school at a science fair in Alabama, where he was the only black student attending the fair; This was a time when African Americans had very little presence in science. [4]