A-Level Chemistry Coursework and A-Level Chemistry Practicals and Experiments

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GCSE Chemistry Coursework (121 Essays)
GCSE chemistry Coursework, experiments and practicals.

AS, A2 and A-Level: Chemistry Coursework and Essays

Factors affecting reaction rates
(User Rating: 2.63 | Length: 1.0 Pages) Factors affecting reaction rates Factors affecting reaction rates : Work to be done: * Find out what factors that effect a reaction by experiment. Chemicals and apparatus:* Spoon * Test-tubes * Water * Beakers * Glowing splint * Citric acid, * Magnesium powder, Mg * Hydrochloric acid, HCl * Zinc, s ...

A Simple Acid/Base Titration
(User Rating: 2.75 | Length: 0.4 Pages) A Simple Acid/Base Titration Acid-base titration: Work to be done: - To determine the volume of one solution that will react with a carefully measured volume of another solution. Chemicals and apparatus: * Burette * Erlenmeyer flask * HCl, 0,1M * NaOH, unknown concentration. Lab: First: Fill a bure ...

Backtitration
(User Rating: 5.80 | Length: 1.6 Pages) Backtitration Backtitration: Work to be done: To find out the atomic mass of a substance using a method called backtitration. Chemicals and apparatus:Magnesium Beaker Glass Burette Distilled water Methylred 0.5 M sodium hydroxide, NaOH1.0 M hydrochloric acid, HCl Lab-work: The name of the experimen ...

Biohydrometallurgy
(Length: 3.0 Pages) Biohydrometallurgy "Biohydrometallurgy is an application in mining. In its natural state a metal such as copper is found combined with other elements in the mineral chalcopyrite. A bacterium is then used to form the compound copper sulphate (CuSO4), which in turn can be treated chemically to o ...

Cellulose, its structure and properties.
(User Rating: 9.00 | Length: 3.6 Pages) Cellulose, its structure and properties. Properties of Cellulose Cellulose is a complex carbohydrate, or polysaccharide consisting of 3,000 or more glucose units. The basic structural component of plant cell walls, cellulose comprises about 33 percent of all vegetable matter (90 percent of cotton a ...

Chemistry concentration of lime water.
(User Rating: 7.17 | Length: 4.2 Pages) Chemistry concentration of lime water. AS- Assessed Practical Chemistry Aim: To determine the concentration of lime water Plan The aim of this experiment is to find the concentration of a sample of limewater solution in g dm?3. I am required to design my own experiment and choose a range of appropr ...

Common anion reactions
(User Rating: 5.00 | Length: 0.7 Pages) Common anion reactions Common anion reactions: Work to be done: - To find the reagent to five different anions by laboration. Chemicals and apparatus: * Ions; carbonate ion, sulphate ion, cloride ion, bromide ion and idodide ion. * Na2CO3 * Ba(NO3)2 * HNO3 * NaSO4 * CuSO4 * Al2(SO4)3 * AgNO3 Lab: F ...

Compounds Of The S-Block Elements
(User Rating: 2.00 | Length: 3.8 Pages) Compounds Of The S-Block Elements ` We are provided with 3 salts X, Y and Z which contain a different s-block element. We are to carry out the reactions listed below and report the observations and deductions in the table. 1. Heat about 0.5g of solid X in a clean dry test tube and test the gas evol ...

Determination of ethanoic acid content of vinegar
(User Rating: 2.58 | Length: 0.8 Pages) Determination of ethanoic acid content of vinegar Determination of ethanoic acid content of vinegar: Work to be done: * To find out how much ethanoic acid common vinegar contains. Chemicals and apparatus: * Vinegar * Standard flask (100 cm3) * Standard sodium hydroxide solution ( 0.1M ) * Phenolpht ...

Determination of water in Hydrated Barium Chloride
(User Rating: 5.50 | Length: 0.7 Pages) Determination of water in Hydrated Barium Chloride Determination of water in Hydrated Barium Chloride: Work to be done: * Determine how much water there is in hydrated barium chloride. Also solve n in BaCl2 + n H2O Chemicals and apparatus: * Porcelain crucible and lid * Pipe-clay triangle * Desicca ...

Enthalpy
(User Rating: 8.62 | Length: 11.9 Pages) Enthalpy I am going to investigate the difference in enthalpy of combustion for a number of alcohols, the enthalpy of combustion being the 'enthalpy change when one mole of any substance is completely burnt in oxygen under the stated conditions'. I will be attempting to find how the number ...

Enthalpy Changes in Combusting Different Alcohols.
(User Rating: 4.67 | Length: 2.5 Pages) Enthalpy Changes in Combusting Different Alcohols. Plan. I plan to compare the enthalpy changes of combustion of different alcohol�s. As I know that combusting different substances produces differing amounts of energy, I plan to find out which alcohol, out of methanol, ethanol, propanol and butanol ...

Grignard Reagent
(User Rating: 6.00 | Length: 4.1 Pages) Grignard Reagent Grignard reagents are an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic acids, and other compounds. Chemically, a Grignard reagent is an organic magnesium halide dissolved in a nonreactive solvent (typically dry ...

Hess' Law
(User Rating: 3.83 | Length: 1.2 Pages) Hess' Law Hess' Law:Work to be done:Find enthalpy change by measuring temperature change of a reaction. Chemicals and apparatus: Thermometer Scale Isolator NaOH, solid NaOH, 0.50M solution Acetic acid, 0.50M and 0.25M Lab: Reaction 1) The temperature of 200ml water that I poured into the is ...

Isomers
(User Rating: 6.00 | Length: 1.4 Pages) Isomers Isomers - molecules with the same molecular formula but different structures Structural Isomers - have different physical and chemical properties Inter molecular forces decrease with increasing chain length. More side chains makes packing less efficient, thus reducing intermolecular forces ...

Make some brief notes on the explanations based on families of why people commit crimes
(User Rating: 5.00 | Length: 2.6 Pages) Make some brief notes on the explanations based on families of why people commit crimes Make some brief notes on the explanations based on families of why people commit crimes. Farringtons claim (social psychological researcher) as to why people commit crimes looks at problem families. 1st claim: c ...

Making and investigating buffer solutions
(User Rating: 5.50 | Length: 5.9 Pages) Making and investigating buffer solutions ` Aim I will attempt to prepare two buffer solutions. The first buffer solution will have a pH value of 5.2 and will be made from a mixture of 1.0M ethanoic acid and 1.0M sodium ethanoate solution. The second buffer solution will have a pH value of 8.8 and ...

Mining & The Extraction of Metals
(Length: 3.3 Pages) Mining & The Extraction of Metals Prospecting and exploration Various techniques are used when searching for a mineral deposit. This process is called prospecting. When searching for minerals, prospectors used to rely on the direct observation of mineralisation in outcrops, sediments, and soil. ...

Obtaining pH curves for acid/alkali titrations
(User Rating: 7.80 | Length: 5.8 Pages) Obtaining pH curves for acid/alkali titrations Obtaining pH curves for acid/alkali titrations Planning In order to obtain a pH curve, I must first devise a way in which to measure both the pH and the volume of alkali being added to the weak acid in order to draw a graph from my results and then fro ...

The Extraction of Metals
(Length: 4.6 Pages) The Extraction of Metals The Extraction of Metals Aluminium Aluminium is the most abundant metal in the Earth's crust. Most aluminium ores do not have a high enough aluminium content to make extraction economical. Bauxite, its main ore, is the one from which aluminium is extracted. Bauxite is i ...

The Properties of Nitric Acid
(Length: 13.7 Pages) The Properties of Nitric Acid Contents Page No. . .Introduction 1 . Plan : 3 Outline of method Reactions . Results: 7 Acidic properties Oxidizing properties Reducing properties. . Discussion: 9 Evaluation . Bibliography 14 . Chemical equipment's and lists. 15 Introduction: An investigation on t ...

Water basin
(Length: 0.6 Pages) Water basin Apparatus:- Water basin. Hydrochloric acid (50cm3 each test). Limestone chips (2grams each test). Chronicle flask. Clamp stand. Measuring cylinder. Delivery tube. Water (200cm3 each test). Stopwatch. Bung. Method:- Set up apparatus as shown in the diagram but excluding the limestone chi ...

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