A resource created to assist teachers and students with delivery of the A2 OCR Chemistry PAGs.
A PowerPoint to help you structure the beginning of the PAG lesson on 10.2 thiosulfate and acid. Can easily be amended and used as a template if preferred. Alternatively, this could be given to students as a guideline to assist them with their planning and calculations.
Example results and graph for thiosulfate (part 1) included, showing the first order relationship.
Possible extension opportunities include monitoring how temperature affects the rate of reaction - an Arrhenius plot could then be done as part of the analysis. Recommended for A-A* students.
Gives students a checklist of what needs to be submitted.
PowerPoint for PAG 9.3 rates attached also. This one includes OCR past paper questions (and answers) at the end as a plenary.
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$2.50