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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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Hydrogen Gas Collection Lab

A sample of solid magnesium ribbon, measuring approximately 2.5cm and weighing 0.037 g +/- 3% was allowed to react with an aqueous solution of hydrochloric acid, with a concentration of 6 mol dm-3 in a 1000cm3 graduated cylinder. The sample of magnesium was wrapped in a cage constructed of copper …

Airbag Design Lab

Is it possible to use baking soda, NaHCO3(s), and 2.00 mol dm-3 HCl(aq) to generate a gas that will fill a zip-lock bag and act as an air bag? Objectives: 1. To determine if baking soda and hydrochloric acid can create a suitable air bag 2. To determine the volume …

Hydrochloric Acid and Calcium Carbonate

For our coursework investigation we tested how concentration affected the rate of reaction between calcium carbonate and hydrochloric acid. We experimented with the reaction: Calcium Carbonate + Hydrochloric Acid Calcium Chloride + Water + Carbon Dioxide CaCO3 + 2HCl CaCl2 + H2O + CO2 The rate of reaction is a …

Chemistry - Reactivity Serires Report

Introduction: What is the reactivity of metal? The reactivity of metal was the rate of metal which it would be reacting with each others. The higher the reactivity was, they could have replaced the more other kind of metal in the metal solutions. The metal who has the highest reactivity …

Music Composition Essay

My school’s music department wants to encourage students to start to learn to play instruments. To help them choose which instrument they would like to learn, students who already play will be demonstrating their skills by performing a composition. I have decided to write a composition for a violin accompanied …

Specific Application for an Organic Compound - Kevlar

We inhabit a universe that contains billions of billions of organic compounds, each one having the capability to serve humanity in a unique way. Some of these organic compounds are even referred to as life saving. These compounds have a special place in modern society. Among them are compounds that …

Determining an Equilibrium Constant

Objective To find out the equilibrium constant, Kc, for the reaction below, using acid hydrolysis: CH3COOC2H5 + H2O⇌ CH3COOH + C2H5OH Theory although the hydolysis of ethyl ethanoate is very slow, by using dilute hydrochloric acid as catalyst which can be used to alter the time required to reach the …

Investigation of the Order of the Reaction of Iodine with Acetone

Introduction: Chemical kinetics is the investigation of the rates at which chemical reactions occur, it is very important as it enables the exploration of reaction mechanism. Even the simplest chemical may consist of a complex sequence of events. Thus, it is customary practice to simplify matters by devising experiment in …

Which Equation is Correct?

Aim: Copper has two oxides, Cu2O and CuO. Copper carbonate, CuCO3, decomposes on heating to form one of these oxides and an equation can be written for each possible reaction: Equation 1: 2CuCO3 (s)Cu2O(s) + 2CO2(g) + ½O2 (g) Equation 2: CuCO3 (s) CuO(s) + CO2 (g) I must determine …

Decomposition of CuCO3

Cu2O is a red crystalline material, which is produce by the electrolytic or furnace method. CuO is a black powder prepared by the ignition of suitable salts such as carbonate (1) The mole is the mass of substance that has the same number of particles as atoms in exactly 12g …

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