By Lajos Kovács, Dezső Csupor, Gábor Lente, Tamás Gunda
100 Chemical Myths offers with well known but mostly unfaithful misconceptions and misunderstandings relating to chemistry. It comprises lucid and concise motives reduce via fallacies and concrete legends which are universally suitable to a world viewers. quite a lot of chemical myths are explored in those parts; meals, drugs, catastrophes, chemical compounds, and environmental difficulties. Connections to pop culture, literature, video clips, and cultural background carry the reader’s curiosity when key strategies are fantastically annotated with illustrations to facilitate the knowledge of unusual fabric. Chemical Myths Demystified is pitched to members with out a formal chemistry historical past to fledgling undergraduate chemists to professional researchers and beyond.
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Additional resources for 100 Chemical Myths: Misconceptions, Misunderstandings, Explanations
One should remember that Mendeleev did not have any idea about the concept of atomic number, neither did he have any information about the electron structure of atoms. Today, these two things make the periodic table almost trivial. Nobody is infallible, Mendeleev was not, either. His mistakes were forgiven, possibly almost forgotten in science because his contribution to chemistry was indeed gigantic. Of all the scientists, he was the one who deserved an element to be named after him the most. This is element 101, mendelevium.
Cholera is not that difficult to fight. Dehydration of patients must be prevented to cure them and transmission can be slowed down by improving sanitation. There is a classic case in cholera studies: John Snow (1813–1858), a physician living in London, made systematic observations during a cholera outbreak in 1854 and proved that the contagion can be controlled by carefully checking the quality of drinking water delivery systems. Fred M. Reiff, a representative of the Pan American Health Organization (PAHO) was responsible for fighting communicable diseases between 1981 and 1995.
5 Large-scale industrial fermenters used in a brewery. 5). These technologies are usually more favorable than equivalent chemical methods because the latter would be much more complicated. Fermentation of antibiotics provides an excellent example of reducing the required amount of input materials. A strain initially producing only a few milligrams/liter of the desired product can often be modified to reach much higher levels such as 1 or 10 g/l. In biotechnology, aqueous biochemical reactions are typically applied, although the product might not dissolve very well in water and the microorganisms may not tolerate high concentrations.