Atomic structure and Bonding:
The Avogadro Constant - in grains of sand.
Solubility of ionic compounds.
Rates sometimes fall
with an increase in
temperature; the third-order oxidation of NO.
is not 2; an exploration of the fiction that reaction rates double for a 10oC
rise in temperature.
Acids and bases:
and their plotting.
The buffering action of amino-acids.
The pH of sulphuric
is not necessarily pH 7.
The true definition of Kp,
which includes the value of the standrad pressure.
Eo and the
feasibility of reaction: beware the use of Eo without
realising what the conditions are.
Electrode potentials in copper.
Raoult's Law and phase diagrams:
link between vp/composition and bp/composition diagrams made clear.
Inorganic reactions catalogue
Inorganic reactions in qualitative analysis:
helps you to learn the inorganic reactions - here are the reactions of the commonest ions.
Inorganic problems: problems to help
you learn inorganic reactions.
Groups 3 and
Aluminium chloride and
water: the results depend on the amount of water you use.
its structure is more complicated than you might think.
Hydrolysis of SiCl4.
Hydroxide precipitates in transition-metal chemistry.
The nature of oxides (Peter Hughes).
The Membrane Cell
for the electrolysis of purified
concentrated brine is very different from its diaphragm predecessors.
Will o'the Wisp is
it really burning methane? - and a painting and two poems of that title.
Water - some unusual views of an unusual
substance: water re-use; ice.
the origin of their names and dates of discovery, with a link to the Periodic
Table site from Mark Winter (Sheffield).
reactions - to help you
learn them by filling in the reagents needed.
Organic reactions catalogue
for A level.
preparations and syntheses:
the reasons why you do what you do.
Organic synthesis; hints and tips on
devising and solving synthetic schemes
Drawing chemical apparatus: how to
draw apparatus that would work - not a generally good skill in exams at the moment. Avoid
Organic chemistry problems:
problems to help you learn organic reactions.
Orbital representations of molecules
and of reactions.
Animated reaction mechanisms.
and hints on
NMR spectroscopy for A level analytical
- selected MS/IR/NMR spectra.
Chirality - examples of chiral
molecules that do not have four groups around a central carbon atom.
Isomers of the alkanes pose a difficult
problem in combinatorics.
Esters, fats and oils.
Assessing errors in
experimental work: an introduction to the quantitative assessment
Learning to Learn:
an introduction to
Writing the Laboratory Notebook:
to make the recording of your work clear to others.
The Chemical History of a Candle
Faraday's great 1860 Christmas Lectures for young people at the Royal Institution.
Worksheets for volumetric and other
- hints and tips on: getting the best answer with examples and critiques of poor answers;
graphs; calculations; dealing with the Synoptic paper.
exam tips; some
how to lay out calculations so that both you and the examiner can
- an attempt to dispel some of the myths. Graph plotting is an art, so
don't use your computer.
The BEST answer
- examples of work which candidates thought were good, but which sadly
proved not to be so.
What is a Syllabus for?
Friedrich August Kekule: the man who
solved the problem of benzene's structure.
scientist, mechanician, architect - England's Leonardo.
England's Leonardo: Robert Hooke and
the art of Experiment in Restoration England (Allan Chapman, Wadham College, Oxford).
Kekule on the structure of benzene
Various on the Periodic Table:
Dobereiner, Lothar Meyer, Mendeleev.
Henri le Chatelier on his principle.
on Carmen Giunta's fine pages.
Examinations; a humorous
look from my Commonplace Books.
Jottings about science;
some more quotations I have found amusing or illuminating.
A chemical attractant
from Amanita muscaria.
Congress (Hugh Sinclair).
What is a syllabus for?
Why does marking exams take
Sulphur or sulfur?
If you find the spelling as confusing as the RSC suggests, perhaps you
should do something other than Chemistry.