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Oscillating reactions provide a fascinating insight into reaction kinetics. They provide unusual observations and a visual hook for discussing rates of reaction and auto-catalysis. The Briggs-Rauscher.. more
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Oscillating reactions provide a fascinating insight into reaction kinetics. They provide unusual observations and a visual hook for discussing rates of reaction and auto-catalysis.
words matched: catalysis

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This activity dramatically shows the effect of a catalyst, cobalt(II) ions, on a reaction. Other characteristic properties of transition metals (eg, coloured ions, different oxidation state) can be ob.. more
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Brief risk assessment guidance and experimental notes for a range of activities involving cobalt(II) compounds.
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Brief risk assessment guidance and experimental notes for a range of activities involving (oxidising) ammonium salts (Hazcard 8).
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Guidance for the preparation of hydrogen gas.
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Risk assessment guidance for hydrogen peroxide (H2O2).
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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of hydrogen gas to test.
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Granulated sugar (0.25 g) is mixed with 0.25 g potassium chlorate(V) (KClO3) and then ignited from a distance, using a wooden splint attached to a metre rule.
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Covers a wide range of enzymes commonly used in school science, and includes advice on how they can be prepared for use in lessons.
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