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Chemistry Essays and Term Papers

Essays 281-290 of 652
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Thomas Midgley, an organic chemist at General Motors Corporation. He was looking for inert, non-toxic, non-flammable compounds with low boiling points that could be used as refrigerants. He found what he was looking for in the form of two compounds:…
principally concerned with determining the chemical composition of materials, which may be solids, liquids, gases, pure elements, compounds, or complex mixtures. In addition, chemical analysis can characterize materials but determining their molecular…
of compounds which have a hydroxyl group joined to either an alkyl group or a cycloalkyl group. A hydroxyl group is an OH joined to a carbon atom and a cycloalkyl group is a ring of six carbon atoms that is arranged in a hexagonal shape. Naming…
dependent on fossil fuels for energy. That seems fine for now considering the fact that everyone is generally happy in the present situation. Fossil fuels are relatively inexpensive and seem to be doing the trick right now. Using fossil fuels arise…
Oxide as presented by Dr. Jack R. Lancaster         Nitric Oxide, or NO, its chemical representation, was until recently not considered to be of any benefit to the life processes of animals, much less human beings. However, studies have…
engineering has two basic parts. The first, which is the base for mechanical engineering, is the field of engineering itself. The second part is the specialized branch which in this case is mechanical. Engineering is a profession that puts power…
makes someone attracted to you or what makes you attracted to that other person? Sometimes you can look at the person and not even be attracted to their looks, but you feel compelled to talk to them or just contact them in any form. These urges…
number 81. It has 81 protons and electrons and 123 neutrons. Thallium has a mass of 204.3833 atomic mass units. Its symbol is Tl. It resides in Group IIIA of the periodic table. That is the aluminum family. Thallium has a bluish color after expos…
of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are…
and Gas Chromatography Introduction: The purpose of this experiment was to separate a mixture of ethyl acetate (EtOAc) and toluene by using the method of fractional distillation and to analyze the fractions using gas chromatography (GC). …
Essays 281-290 of 652
Page 29