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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Chemical Gas Laboratory Tests

Part 1: Hydrogen and Manganese Dioxide 1. Inserted 4mL of hydrogen into a test tube 2. Scooped a little amount of manganese dioxide on the end of a wooden splint 3. Allowed the tip of the splint to flame using the Bunsen Burner 4. Allowed the reaction to proceed for …

Iodine-Clock Reaction

Chemical kinetics involving reaction rates and mechanisms is an essential part of our daily life in the modern world. It helps us understand whether particular reactions are favorable and how to save time or prolong time during each reaction. Experiment demonstrated the how concentration, temperature and presence of a catalyst …

Presence and amount of protein in a food sample

A protein is complex, high molecular-mass, organic compound that consist of amino acids joined by peptide bonds. Proteins are essential to the structure and function of all living cells and viruses. Millon test is given by any compound containing a phenolic hydroxyl group. Consequently, any protein containing tyrosine will give …

Tea Project

I would like to convey our sincere gratitude to the Principal Ms. Maya Mohan for letting us do this project. I would like to thank Mrs. Susheela John, The Head of the Department, Mr. Girish and Mrs. Rekha for guiding and instructing us throughout the project. I would also like …

Test for Cations and Anions

CATION TEST OBSERVATION Copper Cu2+ Add dilute sodium hydroxide solution e.g. in CuCl2 solution or solid. Blue precipitate of copper hydroxide, which does not dissolve in excess NaOH. Blue in solution or as a solid. CuSO4(aq) + 2NaOH(aq) ( Cu(OH)2(s) + Na2SO4(aq) Or Cu2+ + 2OH- ( Cu(OH)2(s) Iron (II) …

The Neuro-Chemistry of Music

I read the article posted by Michael Chanan earlier (How Music Changes our Brains) and was suddenly compelled to look into this. I’ve been a musician, of sorts, for some years and have always been curious as to why music affects people the way it does. I’m also partial to …

Titration of Acetic Acid

Purpose: The Primary Purpose of this Experiment is to Determine the Percent Content of Acetic Acid in a Household Bottle of President’s Choice Vinegar, using Titration Techniques. In addition, a Secondary Purpose for this Experiment that Derives Directly from the Primary Purpose is to Gain Hands On Experience in Titration …

Chemical Lab Report

Abstract The purpose of the lab was to determine the order of reaction for the dye Red #40. By measuring the reaction rate between bleach and the dye, the order of the reaction was determined to be first order. Introduction The study of kinetics is important for studying the amount …

Mixed Problems: Mole/Mole and Mole/Mass

Answer each of the following questions using the equation provided. BE SURE TO BALANCE EACH EQUATION BEFORE SOLVING ANY PROBLEMS. SHOW ALL WORK. 1. ___Cu + ___O2  ___CuO a. If 101 grams of copper is used, how many moles of copper (II) oxide will be formed? b. If 5.25 …

Acid Rain Lab Report

-Background information Unpolluted rain is normally slightly acidic, with a pH of 5.6. Carbon dioxide (CO2) from the atmosphere dissolves to form carbonic acid. Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear …