Calculations for AS and A level Chemistry
Being confident in tackling different types of mole calculation is the foundation upon which much of A level chemistry stands
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Bioplastic vs. biodegradable plastic – what’s the difference?
It is estimated that approximately 6300 Mt of plastic waste has been generated since the 1950s, of which around 9%
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Extracting nitrogen and oxygen from the air
Air is a mixture of gases. Nitrogen is the most abundant gas comprising 78.08% of air followed by oxygen which
Amides and polyamides
Amides are another example of a substituted carboxylic acid, with the OH group replaced by -NH2, -NH-R or -N-R2 (where
The chemistry of amines
Amines are examples of organic nitrogen compounds and we can think of them as substituted ammonia molecules since they have
Don’t know what your calculations mean? You’re not alone!
I was working 1:1 with a student a few weeks ago on solubility product calculations. I always like to start
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Mixed spectra long answer exam question practice
This is a set of more difficult long answer exam questions that require you to use data from mass spectra,
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Understanding the structure of benzene
Benzene, C6H6, is an aromatic organic molecule (the terms aromatic, arene and aryl compound are used interchangeably to classify benzene
What is a homogeneous catalyst?
Catalysts speed up reactions by providing an alternative pathway for the reaction with a lower activation energy, Ea, and the
How does electromagnetic radiation affect molecules?
The energy of molecules is quantised just as it is in atoms. When a molecule absorbs a photon of electromagnetic
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Explaining the electrolysis of molten ionic salts
Electrolysis is a non-spontaneous chemical process powered by electrical energy. The reactions happening at the electrodes in the electrolysis of
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