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A series of interactive practical chemistry programmes, with spoken commentary, quizzes and printable subtitles for commentaries. 1: Assembling apparatus, using stirrers, heating samples, using a rotary...
J Salthouse presents an entertaining lecture on the production of sound, light and heat in oxidation reactions. He covers combustion, including chain reactions and explosions, and considers the properties of...
Explains oxidation numbers within molecules and polyatomic ions using detailed graphics; shows various examples of the rules for assigning oxidation numbers; explains the rules for writing half-reactions...
19: Using a flame photometer, using an atomic absorption spectrometer, colorimetric analysis.
Explains oxidation in terms of electron transfer. Explains and illustrates electrochemical potentials. Illustrations include a rocket being fired, gas exploding, a breathaliser, a cannon, and a look at...
Shows chemical reactions involving the transfer of electrons from one species to another; oxidation number; half equations; balancing redox equations; standard redoc potentials. Demonstrations include copper...
1 (15 min): Close-up photography of colour reactions and colour of metal ions in solution. Titanium dioxide, tetrachloride, and reduction of titanium IV to III. Manganese ions from II to VII, and oxidation...
Illustrates the mechanism of an oxidation-reduction reaction taking place in a beaker and in an electrochemical cell.*
The reaction of a copper penny and concentrated nitric acid (15 M) is shown. Red-brown nitrogen dioxide is generated and some of the copper dissolves to form a blue solution of copper(II) nitrate. [2 minutes]
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