Chemistry Essay Examples Page 11

The Reverend William Gregor in 1791, who was interested in minerals, discovered titanium. He recognized the presence of a new element, now known as titanium, in menachanite, a mineral named after Menaccan in Cornwall (England). Several years later, the element was rediscovered in the ore rutile by a German chemist, Klaproth. The pure elemental metal…

Introduction Milk is a white liquid secreted by the mammary secretory organs of female cattles. American bisons etc. It is a nutrient of exceeding inters chance. Milk is the most alimentary nutrient found in nature. That is why it is widely consumed both in its natural signifiers and as diary merchandise like butter. cheese etc….

Discussion: Acenatilide is a synthetic organic compound introduced in therapy in 1866 as a fever-reducing drug. Its effectiveness in relieving pain was discovered soon thereafter, and it was used as an alternative to aspirin. The solvent that I selected to recrystallize the crude acenatillide was water. The pure acenatilide did not dissolve in water at…

Abstract: A mixture of Fluorene (1) and Fluorenone (2) was separated by column chromatography. Chemical Equation: Fluorene (1)Fluorenone (2) Mp 114? Cmp 83? C MW 166. 22MW 180. 21 Introduction: Column chromatography was invented by Tswett in 1906 so that his study of the chemistry of chlorophyll could be facilitated. Tswett made significant advances in…

“As we shall see, it is generally believed that the phenomenon of superfluidity is directly connected with the fact that the atoms of helium-4 obey Bose statistics, and that the lambda-transition is due to the onset of the peculiar phenomenon called Bose condensation” (Leggett, 1989). This is the phenomenon wherein the bosons (a type of…

Since ancient Greek, scientists have been making continuous efforts to understand the true nature of mater. One of the most important achievements that have been made is the periodic table which not only organizes known information, but also enables scientists to predict unknown properties (Hinchlife, 2011, p. 14). Elements in the periodic table are arranged…

In recent years, there has been rapid growth in the number of Fast Dissolving / Disintegrating Tablet (FDT) product on the market. Fast Dissolving Tablets are solid tablets and designed to dissolve/disintegrate in the patient’s mouth within a few second or minutes, without the need to drink or chew. However, the fear of taking solid…

Purpose/Hypothesis: The purpose is to observe the reactions of acids with bases and analyze the changes in common household cleaners. I anticipate that each solution will exhibit unique reactions when combined with acids and bases. Procedure: I utilized a well-plate-96, both white and black paper, as well as the chemicals from the Observation of Chemical…

There are 7,000 Coca-Cola products consumed worldwide every single second. In soda, the phosphoric acid causes tooth enamel decay and the need for it to be carbonated. In fact, the levels of acid found in sodas are equivalent to the acids in batteries and there are many hazards for your teeth related with the high…

The determination by the Germans to foremost utilize chemical bombs was a really controversial one. Not merely did it open up a can of worms in World War one, but changed the face of conflict for old ages to come. The usage of these new arms lead to immense jobs for the U.S. and its…