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PP141 - The thiosulfate-acid reaction: rate and temperature
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Various monitoring techniques can be used to investigate how different factors affect the rates of reactions. The thiosulfate-acid ‘disappearing cross’ activity is an example of a clock reaction with .. more
words matched: activation, energy
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PP008 – Preparing and Firing Microscale Hydrogen Oxygen Rockets
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The reaction between hydrogen and oxygen produces lots of energy, and is over in less than a 0.01 s. It can be used to fire rockets. In this activity, students can make gas mixtures and fire rockets. .. more
words matched: activation, energy
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PP007 – The electrolysis of water using the CLEAPSS (small) Hofmann voltameter
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The electrolysis of water is becoming increasing more relevant as a means of providing hydrogen, which may be used as a fossil fuel supplement or replacement. The expensive, traditional apparatus, the.. more
words matched: activation, energy
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PS010 - The burning peanut investigation and allergy to nuts
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This now inclduies some general information on food calorimetry as well as explaining something of nut allergy and a range of control measures which could be used to enable effective, relevant practic.. more
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HC048 - Hydrogen
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Risk assessment guidance for making and using hydrogen.
words matched: activation, energy
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PP010 - a colourful catalysis reaction using cobalt(II) ions
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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
words matched: activation, energy
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Bulletin 172 - Autumn 2021
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In this terms issue :-From the director: Editorial COVID-19 UpdateCLEAPSS DocumentsUpdate to GL118, Making a GM counter unitCLEAPSS membership renewalsIdeas for knitted modelsAlgal ballsThe CLEAPSS RP.. more
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Handbook - Section 9 - General Equipment (A-L)
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Guidance on general laboratory equipment including balances, barometers, calorimeters, cells and batteries, centrifuges, spirit burners and other heating equipment, steam engines, gas cylinders and ge.. more
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R004 - Choosing an electronic balance for school use
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The guide is a more detailed document than GL122. It gives useful guidance on what to look for in an electronic balance. It explains the features of different types of balance, how to get the best out.. more
words matched: activation, energy
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Handbook - Section 11 - General Science Topics
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Guidance on general topics including chromatography and electrophoresis, cryogenics, soldering and electrical connections, electrolysis, glass working, glues and adhesives, photography, using pupils a.. more
words matched: activation, energy
Showing results 1 to 10 of 125
1 234►