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Chemistry Factsheet: 139. Ligand Exchange Reactions
After working through this Factsheet you should understand the various types of ligand exchange reactions and their associated entropy effects as well as the terms connected with such re...
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Chemistry Factsheet: 140. Metal Extraction and Recycling
After working through this Factsheet you should be able to understand: • how sulphide ores are treated and understand the associated environmental problems and the link to the Contact Proc...
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Chemistry Factsheet: 141. Answering Exam Questions: Rates of Reaction
Extract from Examiners' Report: ‘Disappointing numbers of candidates failed to rearrange the equation correctly to produce k as the subject.' ...
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Chemistry Factsheet: 142. The Chemistry of the Ozone Layer
In order to succeed in this topic, you will need not only to understand the chemistry, but also to be able to discuss the issues surrounding the use of CFCs and the ozone layer in the up...
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Chemistry Factsheet: 143. Are Biofuels Carbon Neutral?
To succeed in this topic you need to understand: • why plants use carbon dioxide in photosynthesis • why we need to find alternatives to fossil fuels • what global ...
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Chemistry Factsheet: 144. Catalytic Converters
To succeed in this topic you need to understand: • how catalysts increase the rates of chemical reactions • the environmental impact of the pollutants formed in internal combus...
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Chemistry Factsheet: 145. Degradable Polymers
To succeed in this topic you need to understand: • the formation and structure of addition and condensation polymers • the reasons why the use and disposal of polymers c...
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Chemistry Factsheet: 146. Fuel Cells
The fuel cell was originally conceived by a German scientist, Christian Schoenbein, but Sir W. R. Grove developed the first working fuel cell in about 1842. In his cell he reacted hydrog...
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Chemistry Factsheet: 147. C-13 Nuclear Magnetic Resonance (nmr) Spectroscop
C-13 nmr spectroscopy is used to detect and differentiate C atoms in organic molecules by detecting C-13 isotopes....
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Chemistry Factsheet: 148. Chiral Compounds as Medicines
In order to succeed in this topic you will need a very sound knowledge of optical isomerism. Remember optical isomers are non-super imposable mirror images of each other; the...
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