GCSE chemistry Coursework, experiments and practicals.
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Subcategories

  SubcategoryAlcohols (12 Essays)
Combustion of Alchols GCSE Coursework Science Practical Experiment
  SubcategoryElectrolysis (8 Essays)
GCSE Electrolysis Chemistry experiment practical
  SubcategoryRates Of Reaction (70 Essays)
GCSE Chemistry rates of reaction coursework experiment/practical

GCSE: Chemistry Coursework Coursework and Essays
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Acid rain Investigation
(User Rating: 5.20 | Length: 2.9 Pages) Acid rain Investigation Background Knowledge Problem In my garden I have a metal statue made of an alloy. Which consists of mainly magnesium. I have noticed that during the year it corrodes at different rates. I will now devise an experiment to investigate the causes of this problem. The reactions ...

An investigation of the factors affecting rusting of iron
(User Rating: 4.33 | Length: 0.9 Pages) An investigation of the factors affecting rusting of iron PLAN Background Information Only Iron and steel rust. Other metals corrode. Rusting is an oxidation process. Rust is a flaky red-brown solid which is largely hydrated iron. Prediction I think that the nail in the test tube with air and water ...

Chemical equlilbria
(User Rating: 1.50 | Length: 1.3 Pages) Chemical equlilbria Work to be done: * By experiments find out how chemical equilibria works. Chemicals and apparatus: * Two beakers * Five test-tubes * Kaliumtiocyanat, KSCN * 0.002M Kaliumtiocyanatsolution, KSCN + H2O * Dinatriumfosfat, Na2HPO4 * 0.002M Iron(III)nitratesolution, FeNO3 * 0.2M Silv ...

Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate
(User Rating: 7.50 | Length: 3.8 Pages) Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Background Information Molecular solids (sugar) and ionic solids (salts) both dissolve in water. However, they both disso ...

Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate
(User Rating: 5.87 | Length: 3.8 Pages) Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Background Information Molecular solids (sugar) and ionic solids (salts) both dissolve in water. However, they both disso ...

Determining solution concentration using a spectrophotometer
(User Rating: 4.50 | Length: 1.0 Pages) Determining solution concentration using a spectrophotometer Determining solution concentration using a spectrophotometer: Chemicals and apparatus: * Spectrophotometer with equipment * 4 flasks, 100 ml each * Cu2+ (actually Cu(NH3)42+ but the object of research is only the Cu2+) * Distilled water L ...

Electrolysis of Sodium Sulphate solution for gases
(Length: 3.0 Pages) Electrolysis of Sodium Sulphate solution for gases Aim In this experiment we will be investigating electrolysis of sodium solution for gases. The variable I will be investigating will be the current of the circuit. Method The apparatus I will be using is: - Dilute sodium sulphate solution (0.1 M), ...

Electromagnetism Investigation
(Length: 3.7 Pages) Electromagnetism Investigation Physics - Electromagnetism Planning Previous Scientific Knowledge. When insulated wire is wrapped round an iron nail and the ends of the wire are connected to a battery the nail becomes capable of picking up iron filings and paper clips. This is called an electromagne ...

Endothermic Reactions
(User Rating: 5.25 | Length: 4.1 Pages) Endothermic Reactions I am going to investigate the temperature drop induced by the reaction: NH4Cl + 100 H20 = NH4Cl (aq 100 H20) Calculating the amount of solid required to react with a certain amount of water NH4Cl + 100 H20 = NH4Cl (aq 100 H20) 1 mole NH4Cl = 14 + 4 + 35.5 = 53.5g 1 mole H20 = ...

Energy changes neutralisation
(User Rating: 8.58 | Length: 7.9 Pages) Energy changes neutralisation Investigation of the energy change accompanying a neutralisation reaction Planning: Chemicals Available: 2M HCl 1M H2SO4 2M CH3CO2H 2M NaOH 2M NH4OH A neutralisation reaction is the process in which the acidity or alkalinity of a ubstance is destroyed. Destroying acidi ...

energy conversion in a neutralisation reaction
(User Rating: 3.00 | Length: 4.4 Pages) energy conversion in a neutralisation reaction Aim We are trying to find out what factors affect the energy conversion in a neutralisation reaction. Variables The variables that can be changed are Concentration of acid Type of Acid Concentration of alkali We choose type of acid Prediction I predict ...

Fritz Haber And The Haber Process
(User Rating: 4.00 | Length: 1.3 Pages) Fritz Haber And The Haber Process Fritz Haber And The Haber Process About Fritz Haber, Scientist, Innovator & Inventor Fritz Haber was a German chemist whose conversion of atmospheric nitrogen to ammonia opened the way for the synthetic fertilizer industry. His study of the combustion of hydroc ...

Geology Coursework
(Length: 2.4 Pages) Geology Coursework I am going conduct an experiment to find the porosity of different rocks. The porosity of a rock is how much water it can hold, or the volume of air gaps that it has. To do this experiment I will soak different rocks in water and measure the differences. The equation for the poro ...

Hydrogen Peroxide and Catalase
(User Rating: 10.00 | Length: 14.8 Pages) Hydrogen Peroxide and Catalase For this investigation I have been asked to investigate (by experimentation) the effect of substrate concentrations on the rate of the decomposition of hydrogen peroxide when catalyzed by the enzyme catalase. This is part of our work on the function of enzymes, how th ...

If varying currents affects the loss in mass at the electrodes
(User Rating: 7.60 | Length: 3.5 Pages) If varying currents affects the loss in mass at the electrodes To find out how varying the current affects the loss in mass of the anode and the gain in mass in the cathode Introduction- Purifying Metals It has been found that when a copper solution is electrolysed using copper electrodes, the anod ...

Investigate the amount of energy released when different fuels burn
(User Rating: 6.00 | Length: 6.9 Pages) Investigate the amount of energy released when different fuels burn In this investigation I will be burning alcohol's to heat up a can of water. I will be burning four alcohol's, methanol, ethanol, propanol and butanol. The aim is to find out how much energy is produced when burning these a ...

Investigate the loss in mass of the anode when a copper
(Length: 9.4 Pages) Investigate the loss in mass of the anode when a copper Investigate the loss in mass of the anode when a copper sulphate solution is electrolysed These are the input variables that I believe could affect this investigation: Surface area of electrode Temperature of electrode Time Current Molarity of ...

Investigating Heat Of Combustion
(User Rating: 1.00 | Length: 6.1 Pages) Investigating Heat Of Combustion Investigating Heat Of Combustion. The following investigation is to discover how much energy it takes to break the carbon and hydrogen bonds in both Hexane and Heptane. Here are the theoretical values for the energy required to break these bonds. Heptane C7H16+ 15 O ...

Investigating the Concentration of Citric Acid
(User Rating: 9.00 | Length: 5.4 Pages) Investigating the Concentration of Citric Acid Problem I have been set the task of determining the concentration of a sample of citric acid, using only a 1.0 M solution of sodium hydroxide and any laboratory glassware that is required. I have also been given the RMM of citric acid as 210g and I hav ...

Investigation to find out the empirical formula of magnesium oxide.
(User Rating: 7.17 | Length: 4.6 Pages) Investigation to find out the empirical formula of magnesium oxide. ` Aim. To find out the empirical formulae for magnesium-oxide Introduction. The empirical formula of a compound tells us the types of atoms present in a compound as well as the simplest whole-number ratio of the different types of ...

Malachite Investigation
(User Rating: 1.00 | Length: 2.0 Pages) Malachite Investigation Method À Weigh the sample of malachite. À Mix the sample with sulphuric acid. À Filter the solution. À Wash the sand left after filtering. À Add small amounts of zinc to the solution left after filtering and stir with a glass rod. À Filter the solution. À Wash the copper lef ...

Neutralise Excess Stomach Acid
(User Rating: 6.00 | Length: 9.7 Pages) Neutralise Excess Stomach Acid Aim: To find which powder, of four, is best for neutralising excess stomach acid. Prediction: With stomach pain relief powders being a consumer product, I predict that the best cure for neutralising a build up of stomach acid will be the one which has the lowest cost ...

Our Future Energy
(User Rating: 10.00 | Length: 3.5 Pages) Our Future Energy TodayÆs most commonly used fuels for creating electrical power, fossil fuels, are more than likely to run out if we carry on using them up at the rate we do today. About 2/3 of all the Electricity used in England and Wales comes from the burning of coal, gas or oil- the Fossil fue ...

ph and Hydrogen Peroxide
(User Rating: 9.00 | Length: 2.4 Pages) ph and Hydrogen Peroxide I am going to investigate whether pH effects the rate at which catalase decomposes hydrogen peroxide. 'Catalase is a biological enzyme (enzymes work best at a certain pH) found in plant and animal cells. It has the function of speeding up the decomposition of hydrogen p ...

Sodium Thiosulphate
(User Rating: 2.41 | Length: 0.6 Pages) Sodium Thiosulphate In this investigation I will change the concentration of the sodium thiosulphate by adding water in each case to make it more dilute but when adding the water it must bring the volume up to 10cm everytime to make it a fair test. Dependant variable. I will measure the time taken ...


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