5.2 Bond energy calculations
Cambridge (CIE) IGCSE Chemistry Revision Notes
š Topic 5: Chemical Energetics
5.1 Exothermic and endothermic reactions
1 State that an exothermic reaction transfers thermal energy to surroundings, increasing temperatureā¼
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2 State that an endothermic reaction takes in thermal energy from surroundings, decreasing temperatureā¼
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3 Interpret reaction pathway diagrams showing exothermic and endothermic reactionsā¼
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4 Define enthalpy change, ĪH Supplementā¼
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5 Define activation energy, Eā Supplementā¼
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6 Draw and label reaction pathway diagrams Supplementā¼
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7 Explain enthalpy change in terms of bond breaking and bond making Supplementā¼
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8 Calculate enthalpy change using bond energies Supplementā¼
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