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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Inorganic Chemistry

Transition elements contain ions that present in aqueous solution as complex ions. A metal ion with a molecule called a ligand are called complex ion and it attached through coordinate covalent bonds. A complex salt is an ionic compound but it differs in the fact that there are these covalent …

Necessary actions synonym

If you suspect that an individual is being abused, there are some necessary actions for you to take along with researching about what your companies policies and procedures around abuse are. Initially, if you suspect that a service user or worker is being abused, it is important, for you to …

General chemistry - Titration

Introduction Titration is defined as technique whereby one solution of accurately known concentration also known as the titrant is added slowly into another solution of unknown concentration until a neutralization reaction is reached. There are several types of titration methods in chemistry. Firstly, is the acid-base titration method which was …

Ammonium hydroxide solution

In the strong acid-weak base titration, 0. 1 M ammonium hydroxide ( NH4OH ) was titrated with 0. 1 M hydrochloric acid ( HCl ). 2-3 drops of phenolphthalein were added as indicator into the conical flask which contains 25mL of hydrochloric acid. Ammonium hydroxide was then titrated slowly into …

Chemistry Laboratory Safety Manual And Sample Lab Report

SAFETY IN THE LABORATORY Safety in the laboratory must be emphasized. The compounds you will work with do have some hazards associated with them. Therefore, it is important to follow the safety rules outlined in this lab manual. You should assume that all compounds encountered in the laboratory are toxic …

Acid base indicators

In the strong acid-weak base titration, 0. 1 M ammonium hydroxide ( NH4OH ) was titrated with 0. 1 M hydrochloric acid ( HCl ). 2 drops of phenolphthalein were added as indicator into the conical flask which contains 25mL of hydrochloric acid, the mixture in the conical flask was …

Production of sulphur dioxide

Introduction Currently, fertilizers used on the West Coast are made and then transported from other parts of New Zealand. Because fertilizers have a reasonably large mass the cost of this transport can be expensive. This report will investigate the processes involved in making superphosphate fertilizer, including the manufacture of sulfuric …

Osmosis Experiment - Solanum Tuberosum (Potato)

Hypothesis: The potato will lose weight and become shrank when they are put in salt solutions. The higher concentrated the solution, the more the potato shrinks. Osmosis is the passage of water at a cellular level from an area of low solute concentration to an area of high solute concentration …

Assessing Water Quality in a Stream by Chemical Means

1. Introduction The aim of this experiment was to investigate water quality by chemical tests with which the momentary characteristics of the water could be assessed very precisely. The temperature, turbidity, flow velocity, ph (measures the alkality or acidity), total hardness, ammonium, nitrate, phosphate and dissolved oxygen content (measures the …

Osmosis Experiment

1. Design 1.1 Defining the problem Research Question Have you ever accidentally cooked a solanum tuberosum (potato) in high sodium chloride (salt) concentrated water? What was the result? This experiment is to consider how salinity influences osmosis in potato cells. By changing the concentration of salt (0%, 0.2%, 0.4%, 0.6%, …