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Exothermic and endothermic reactions

GCSE · Chemistry · Paper 1 · Topic 5: Energy Changes
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Learn about energy transfer during exothermic and endothermic reactions in this GCSE Chemistry lesson. Understand how energy is conserved, how exothermic reactions transfer energy to the surroundings, and how endothermic reactions absorb energy from the surroundings. Explore examples including combustion, neutralisation, thermal decomposition, self-heating cans, hand warmers and sports injury packs.