Chemistry Essays

Chemistry essays are different from those who are more related to creative writing. They should be based on critical thinking, logic, and proper evaluation. Sometimes these essays are built on solving chemical equations and other problems. You need to have the solid theoretical background to prepare homework which deserves the highest grade. When students cannot cope with the tasks alone, they seek help at writing service. Our company is one of the best in this specialization. We do not only offer free samples on any topic but help with preparing the entire work within the quickest time.

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Persuasive Memo

It is no secret that parking at FIU has been an ongoing phenomenon rehashed and disused over before, that has affect both students and faculty tremendously. Almost anyone, who has visited FIU has experienced this unfortunate occurrence. This problem continues to emerge and could become immense, if the campus is …

The Lorenzo’s Oil

Sarandon, Peter Ustinov, Noah Banks, Michael Haider, Billy Amman, Cristin Woodworth, and Zack O’Malley Greenburg being the best actors of the movie in the lead roles really indulges you into the movie. Through out the movie it’s multiple Lorenzo’s and they all p,ay a terrific part in the movie as …

Loren Inc.

Brent Miller, the raw material buyer at Loren Inc is preparing for the company’s annual hexonic acid requirement, on June 15. Four suppliers have submitted substantially different bids for this contract which begins in August 1. Loren Inc. is the Canadian subsidiary of a larger chemical company, and have an …

Nitration of Naphthalene

Abstract: The purpose of this experiment was to nitrate naphthalene with nitronium ion, which is formed at low concentration from a reaction of nitric acid and sulfuric acid. The percent yield from the experiment was 54.4% of the product, and the melting point of the possible results were 59 °C …

Extraction of Organic Compounds From Natural Sources

Introduction The purpose of this experiment is to illustrate how a solid natural product can be extracted from its natural source through the use of an organic solvent. Natural products are organic compounds that are synthesized by natural biological processes in plants, animals and microorganisms. These products typically occur in …

Synthesis of Acetaminophens

Introduction: Acetaminophen is a commonly used analgesic, which is essentially just a medicine that relieves pain (Prescott, 2000). Acetaminophen is created by synthesizing p-Aminophenol with Acetic anhydride. This reaction occurs when the amine group of the p-aminophenol is acetylated by the acetic anhydride. The resultant is an amide functional group …

Chemistry of Explosives

1.Define dehydrating of explosives mixtures. Dehydration of explosives is the process of removing water from the explosive compound to reduce the amount of dilution that water would add to the mixture. It can be done by de-waterers, hydraulic press and alcohol as well as other means. 2.What constitutes the incorporating …

Observations of Chemical Changes

A. Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). How would you test this material for the presence of sodium bicarbonate? I would add hydrochloric acid (HCl) with carbon dioxide with NaHCO3, and it should bubble and form gas. B. You know what color phenolphthalein …

Freezing Point

1. Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected? Explain. -The freezing point will be higher because the loss of solvent means that the molarity …

Regioselective Nitration of Acetanilide

Introduction: Table of reagents Compound Mol.WT. Amount Density Moles (gm/mol) (gm or mL) (g/mL) (mmol) Acetanilide 135.16 1.06 1.219 7.84 96% Sulfuric acid 98.08 4.4 1.84 Concentrated Nitric acid 63.01 0.7 1.42 5:5 EtOAc:Hexanes 174.16 10 0.682 9:1 EtOAc:Hexanes 174.02 10 0.678 Ice Cubes 18.02 4 cubes 0.9167 Acetone 58.08 …