GCSE: Chemistry Coursework: Page 2 Coursework and Essays
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Testing Salt Solutions to See What They Contain (Length: 6.4 Pages)
Testing Salt Solutions to See What They Contain Aim To investigate five different salt solutions, using ion tests to find out what ions the solutions contain, and therefore what the salt solution is. Hypothesis I think that by using the following ion tests, I will be able to correctly identify the ...
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Testing Salt Solutions to See What They Contain (Length: 6.4 Pages)
Testing Salt Solutions to See What They Contain Aim To investigate five different salt solutions, using ion tests to find out what ions the solutions contain, and therefore what the salt solution is. Hypothesis I think that by using the following ion tests, I will be able to correctly identify the ...
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The Rate at which Aspirins dissolve (Length: 11.4 Pages)
The Rate at which Aspirins dissolve SKILL P: PLANNING Input Variables (things that will affect the rates of reaction): · Surface area of Alka-Seltzer tablets-can vary, i.e. if crushed it will increase the surface area. · Amount of Water used (ml) · Amount of Alka-Seltzer tablets used-quantity. · St ...
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The Electrolysis Of Copper Sulphate Solution Using Copper Electrodes (User Rating: 5.71 | Length: 7.1 Pages)
The Electrolysis Of Copper Sulphate Solution Using Copper Electrodes Planning I did some preliminary work to see which current values, and for how long to time. The results of this are in the tables below: Electrode-1A Mass before (g) Mass after (g) Mass change (g) Anode 1.38 1.30 -0.08 Cathode 1.3 ...
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To investigate the decomposition of hydrogen peroxide with certain catalysts (User Rating: 6.50 | Length: 4.4 Pages)
To investigate the decomposition of hydrogen peroxide with certain catalysts The catalysts available are: Manganese IV oxide (MnO2) Zinc oxide (ZnO) Lead IV oxide (PbO2) Aluminium oxide (Al2O3) Iron III oxide (Fe2O3) Copper II oxide (CuO) Copper III oxide (Cu2O) More specifically, it has been dec ...
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To investigate the percentage of copper in a sample of malachite. (User Rating: 6.50 | Length: 3.4 Pages)
To investigate the percentage of copper in a sample of malachite. ` Method Weigh the sample of malachite. Mix the sample with sulphuric acid. Filter the solution. Wash the sand left after filtering. Add small amounts of zinc to the solution left after filtering and stir with a glass rod. Filter th ...
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