C13: Chemical Energetics (5088 COMBINED CHEMISTRY)

GCE 'O' LevelsCombined ChemistryNotes/Practices2025

Uploaded by zyumzz · 15 September 2025

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CHAPTER 13 ENDOTHERMIC - Absorb the thermal energy from the surroundings - Decrease the temperature of the surroundings EXAMPLES - Boiling, melting, sublimation - Photosynthesis EXOTHERMIC - Release energy to the surroundings - Increases the temperature of the surroundings EXAMPLES - Freezing, condensation - Combustion, neutralisation, respiration

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