Topic 5: Chemical Energetics / 5.1 Exothermic and endothermic reactions

5.1 Exothermic and endothermic reactions

Cambridge (CIE) IGCSE Chemistry Revision Notes
šŸ“š Part of Topic 5 šŸ“ Exam code: 0620 & 0971
šŸ“Œ Topic 5: Chemical Energetics
5.1 Exothermic and endothermic reactions
1 State that an exothermic reaction transfers thermal energy to surroundings, increasing temperatureā–¼

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2 State that an endothermic reaction takes in thermal energy from surroundings, decreasing temperatureā–¼

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3 Interpret reaction pathway diagrams showing exothermic and endothermic reactionsā–¼

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4 Define enthalpy change, Ī”H Supplementā–¼

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5 Define activation energy, Eā‚ Supplementā–¼

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6 Draw and label reaction pathway diagrams Supplementā–¼

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7 Explain enthalpy change in terms of bond breaking and bond making Supplementā–¼

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8 Calculate enthalpy change using bond energies Supplementā–¼

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