Energetics (4 weeks) Time Learning activity with Assessment Learning outcome Resources Learning objective taken opportunity to develop skills opportunities 3.1.4.1 0.8 Define standard enthalpy of Practical activity: June 2006 Spectacular demonstrations: Enthalpy change. combustion (ΔcHƟ). enthalpy of combustion of alcohols. Unit 2 Q1a Endothermic and Define standard enthalpy of Demonstration of a selection of An endothermic reaction: exothermic. formation (ΔfHƟ). exothermic and endothermic reactions. Define enthalpy change An exothermic reaction: (ΔH) and standard Students write equations for conditions. formation and combustion reactions. Students sketch and label enthalpy profile diagrams. 3.1.4.2 1.4 Use q = mcΔT to calculate Practical activity: Measuring June 2009 Enthalpy practical: Calorimetry weeks the molar enthalpy change enthalpy changes of various Unit 2 Q3 for a reaction. reactions using the cooling curve q = mcΔT calculations method (eg neutralisation of NaOH June 2002 and associated Use this equation in related with HCl, displacement reaction Unit 2 Q2 experiments. calculations. between Zn and CuSO4, dissolving KCl in water). June 2006 Unit 2 Q1d Students perform a variety of January 2011 calculations. Unit 2 Q9b 3.1.4.3 1.2 Use Hess’s Law to perform Practical activity: Hess’s Law June 2011 Hess’s Law. weeks calculations, including to determine for the thermal Unit 2 Q2 ΔH calculation of enthalpy decomposition of NaHCO3 or the
Energetics (4 weeks) Learning objective Time taken Learning outcome Learning activity with opportunity to develop skills Assessment opportunities Resources 3.1.4.1 Enthalpy change. Endothermic and exothermic. Define enthalpy change (ΔH) and standard conditions. 0.8 Define standard enthalpy of combustion (ΔcHƟ). Define standard enthalpy of formation (ΔfHƟ). Practical activity: enthalpy of combustion of alcohols. Demonstration of a selection of exothermic and endothermic reactions. Students write equations for formation and combustion reactions. Students sketch and label enthalpy profile diagrams. June 2006 Unit 2 Q1a Spectacular demonstrations: An endothermic reaction: An exothermic reaction: 3.1.4.2 Calorimetry q = mcΔT calculations and associated experiments. 1.4 weeks Use q = mcΔT to calculate the molar enthalpy change for a reaction. Use this equation in related calculations. Practical activity: Measuring enthalpy changes of various reactions using the cooling curve method (eg neutralisation of NaOH with HCl, displacement reaction between Zn and CuSO4, dissolving KCl in water). Students perform a variety of calculations. June 2009 Unit 2 Q3 June 2002 Unit 2 Q2 June 2006 Unit 2 Q1d January 2011 Unit 2 Q9b Enthalpy practical: 3.1.4.3 Hess’s Law. 1.2 weeks Use Hess’s Law to perform calculations, including calculation of enthalpy Practical activity: Hess’s Law to determine ΔH for the thermal decomposition of NaHCO3 or the June 2011 Unit 2 Q2
AQA-7404-B-SOW.DOCX