Key term for AQA GCSE Chemistry, used in Energy Changes in Reactions.
Heat packs that use the exothermic crystallization of a supersaturated solution of sodium acetate, triggered by snapping a metal clicker.
Reusable hand warmers appears in AQA GCSE Chemistry revision content for Energy changes, especially Energy Changes in Reactions and Exothermic and Endothermic Processes.
Create a free account to access AQA GCSE Chemistry revision notes, track progress, and practise related key terms.
