Category Archives: 3.3 Calculating and explaining energy change

Energy from reactions

Simple calorimetry (fuels or foods) The relative amounts of energy released when substances (such as fuels or foods) burn can be measured by simple calorimetry, eg by heating water in a glass or metal container. Using this simple calorimeter, the amount of energy released is calculated using the equation: Q = mc ΔT Q= the energy, is measured in joules (J) ΔT= change

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