Download 100 Chemical Myths: Misconceptions, Misunderstandings, by Lajos Kovács, Dezső Csupor, Gábor Lente, Tamás Gunda PDF

By Lajos Kovács, Dezső Csupor, Gábor Lente, Tamás Gunda

ISBN-10: 3319084186

ISBN-13: 9783319084183

100 Chemical Myths bargains with well known but mostly unfaithful misconceptions and misunderstandings regarding chemistry. It comprises lucid and concise causes reduce via fallacies and concrete legends which are universally suitable to a world viewers. a variety of chemical myths are explored in those parts; foodstuff, drugs, catastrophes, chemical compounds, and environmental difficulties. Connections to pop culture, literature, video clips, and cultural historical past carry the reader’s curiosity when key suggestions are fantastically annotated with illustrations to facilitate the certainty of strange fabric. Chemical Myths Demystified is pitched to members and not using a formal chemistry heritage to fledgling undergraduate chemists to professional researchers and beyond.

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In a deviation from earlier fertilization experiments on the Southern hemisphere, the silicate level of these waters was low. As a consequence, the growth in silicate and carbon consuming diatoms was negligible. So the major objective of the experiment, the significant removal of carbon dioxide, did not occur. A key observation behind the ocean fertilizing experiments was that iron ions play a central role in photosynthesis. Estimates show that 1 kg of iron may induce the removal of 3000–83,000 kg of carbon dioxide depending on the locations and external conditions.

Friction, however, offers an even deeper line of thought. Friction produces heat, which can melt ice in a very thin layer. However, friction can only produce heat during movement. Ice is known to be slippery even for objects that are stationary, there is no extra effort needed to begin the movement. And forces of friction tend to be quite small on ice—this is the very reason why it is slippery, and small forces can only generate a small amount of heat. What could the explanation be then? First of all, the surface of ice is very even, or at least it is when conditions are ideal for skating.

This acronym names a piece of EU legislation introduced in 2007 after a long and tiresome negotiating process between industry and non-governmental organizations. REACH in effect aims to determine how to treat chemicals within the European Union. Perhaps it will surprise no one that the chemical industry finds it unnecessarily strict and demanding, whereas non-governmental organization criticize its leniency. ” This may sound convincing, but a convincing statement does not necessarily make it true.

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