Energy changes Exothermic reactions Examples: respiration, combustion, oxidation, neutralisation Energy ‘exits’ reaction – heats surroundings Thermometer readings rises Uses: self heating can and hand warmers Energy changes Endothermic reaction Examples: photosynthesis, thermal decomposition, reaction of citric...
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Fuel Energy Different fuels produce different amounts of energy – the energy released by a fuel can be calculated using water and a thermometer… How can this be done?! Calorimetry Calorimetry calculates the fuel energy as folows: - Put a known quantity of water in a container (e.g. 100...