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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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Decomposition Reaction Between Iron and Copper (II) Chloride

When iron is mixed to Copper (Ⅱ) Chloride; the product will be copper and iron chloride. However, in this experiment, we do not have the information of the oxidation number for iron nails. There are 2 different oxidation numbers for iron; that are 2 or 3. We will need to …

The Stoichiometry of an Oxidation-Reduction Reaction

Purpose: To find number of moles of Fe+3 which react with one mole of NH3OH+ in order to partially balance the equation: NH3OH+ + 2Fe+3 “” ? + 2Fe+2 and to find the missing product. Procedure: H2C2O4 and H2SO4 were titrated with potassium permanganate. The molarity of the permanganate was …

Enzyme Kinetics Lab Report

This experimentation was to evaluate absorbance and the reaction rate of an enzyme, ‘-amylase in starch-iodine solution. We will be testing the relationship between enzymatic reaction affected by temperature and pH. Through the testing the enzyme at different temperatures, and different pH levels; it would determine at which temperature and …

Titration-finding the concentration of a solution of sulphuric acid

Aim The point of this investigation is to find out the concentration of the sulphuric acid in my experiment. I will do this by titrating the sulphuric acid with sodium carbonate. H2SO4 + Na2CO3 à Na2SO4 + H2O + CO2 Acid + Alkali à Salt + Water + Carbon dioxide …

Organic Synthesis of Aspirin Chemistry Formal Lab

Abstract The purpose of this experiment is to synthesize a common organic product called acetylsalicylic acid (aspirin), and to become familiar with the optimum conditions needed for successful yields. Aspirin is produced from an acid catalyzed reaction between salicylic acid with acetic anhydride. The crystalline aspirin is synthesized and purified …

Esterification - Synthesis of Methyl Benzoate

ABSTRACT This experiment was conducted to synthesize methyl benzoate form benzoic acid and methanol by using the Fischer esterification method. The Fischer exterification technique is utilized in the academic and industrial settings due to the simplified synthesis and safety parameters of the overall reaction. Both benzoic acid and methanol are …

Enzyme Function Lab

Part one 1. a) When hydrogen peroxide was added to manganese, tiny bubbles formed in the solution- intensity of (1). b)The solution did not change in temperature. c) The bubbles stopped forming after about 18 minutes. 2. After we added 2 more mL of hydrogen peroxide, the reaction occurred again. …

Electric Eel

I. Physical Features Electric eels are not really eels, they are actually ostariophysians, but have a strong physical resemblance to true eels. . An electric eel is mostly tail. The internal organs are compressed into the anterior (front) 1/5th of the body, and the rest of the fish consists of …

The effect of temperature on the cell membrane of a beetroot

Aim In this experiment I will be testing the effect of temperature on the plasma membrane of a beetroot. I will do this by measuring the percentage light transmission using a spectrophotometer. Once I have obtained my results, I will justify them using scientific knowledge explaining what I have observed …

The dangers of non-metals to the environment

Among the most harmful and dangerous non-metal compunds are nitrogen oxides, sulphur dioxide, carbon dioxide, carbon monoxide, and hydrogen sulphide. These can cause devastating effects to human beings, plants, animals and the environment. Matals are generaly less harmful, although lead is extremely toxic. Hydrogen sulphide is a highly toxic gas. …

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