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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Laboratory Manual

On your own and without assistance, complete this Lab 4 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus). To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for …

Enzyme Controlled Reactions Lab

1)Describe the relationship between substrate concentration and the initial reaction rate of an enzyme-catalyzed reaction. Is this a linear relationship? What happens to the initial reaction rate as substrate concentration increases? A) The relationship between the substrate concentration and the initial reaction of an enzyme-catalyzed reaction is very productive, but …

TLC Analysis of Analgesic Drugs

Abstract: In this experiment, a thin-layer chromatography (TLC) was used to determine the composition of various over-the-counter analgesics.(ACETAMINOPHEN, Acetylsalicylic Acid, Caffeine, and ibuprofen). Chromatography is a technique that we used to separate and identify individual components in a mixture. These chromatography techniques focused on the fact that components of a …

Basic composition of MIS

Question: Explain the basic composition of MIS that can be explained in terms of different approaches. Answer : MIS is system where manager could access detailed piece of information instantaneously. For example, it also explains annexure and appendages of accounting system and financial summary statements. MIS can be defined as …

Composition and functions of the Malaysian Parliament

Malaysia’s Parliament is a bicameral legislature constituted by the House of Representatives (Dewan Rakyat), the Senate (Dewan Negara) and the Yang Di-Pertuan Agong. As the ultimate legislative body in Malaysia, Parliament is responsible for passing, amending and repealing acts of law. Parliament has the exclusive power to make federal laws …

Osmosis in potato cells

1.0 Abstract This experiment’s ultimate goal is to find the water potential of the potato cell. This was achieved through placing potato cores in different concentrations of sucrose (0.2%, 0.4%, 0.6%, 0.8%, 1.0%, 2.0%, 3.0% and 4.0%) solution and to observe how much water was gained or lost through osmosis …

Determining the Empirical Formula of Magnesium Oxide

In the Lab Determining the Empirical Formula of Magnesium Oxide, students set out to find if there is a true 1:1 ratio in the empirical formula of MgO. This was determined by burning the Magnesium until a white smoke started to protrude. This showed the reaction of Oxygen combining with …

Rates of Reaction: Hydrochloric Acid + Calcium Carbonate

Background Information: Hydrochloric acid is a clear, colourless, highly-pungent solution of hydrogen chloride (HCl) in water. It is a highly corrosive, strong mineral acid with many industrial uses. Hydrochloric acid is found naturally in gastric acid. Calcium carbonate is a chemical compound with the formula CaCO3. It is a common …

Ozone Layer

The Earth’s ozone layer protects all life from the sun’s harmful radiation, but human activities have damaged this shield. Less protection from ultraviolet light will, over time, lead to higher skin cancer and cataract rates and crop damage. The ozone layer is one layer of the stratosphere, the second layer …

Lab Report Example

Introduction: Diffusion is the net movement of small or uncharged molecules or substances from areas of higher concentration to areas of lower concentration. There is simple diffusion, as explained, and facilitated diffusion. Facilitated diffusion, on the other hand, involves larger or charged molecules or substances that need a protein tunnel …