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This lesson covers the AQA GCSE Chemistry Required Practical for investigating the variables that affect temperature changes in reacting solutions. You must know the method, apparatus, variables, how to record and process results, and how to evaluate this experiment. This practical directly examines your understanding of exothermic and endothermic reactions from AQA GCSE Chemistry Section 5.
To investigate the variables that affect the temperature change in a chemical reaction, such as a neutralisation reaction between an acid and an alkali.
A common version of this practical involves adding increasing volumes of an acid to a fixed volume of alkali (or vice versa) and measuring the temperature change at each addition.
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