IB Chemistry

5.4.1 Define the term average bond enthalpy The standard molar enthalpy change of bond dissociation is the energy change when 1 mole of bo...

5.3.1 Determine the enthalpy change of a reaction that is the sum of two or three reactions with known enthalpy change The enthalpy for a ...

5.2.1 Calculate the heat energy change when the temperature of a pure substance is changed The heat energy change or enthalpy change is de...

5.1.1 Define the terms exothermic reaction, endothermic reaction and standard enthalpy change of reaction. These words are often used to d...

Topic 5 of the IB HL Chemistry syllabus is the Energetics. IBO recommends to spend 8 hours on this topic. This topic has 4 sub-chapters: ...