4 Enthalpy of of the specific heat capacity, 7.5 neutralisation c, of a substance. AT a and k explain the term enthalpy of Calculate expected neutralisation PS 2.4, 3.1, 3.2, 3.3 and temperature changes Explain how to measure the enthalpy of 4.1: Students could be from given neutralisation asked to find for a ΔH neutralisation reactions Predict temperature changes from reaction by calorimetry. and compare predictions the equation q = mcΔT Examples of reactions to empirical values. could include: Compare temperature dissolution of potassium changes obtained in chloride; dissolution of different reaction sodium carbonate; vessels. neutralising NaOH with HCl; displacement 5 Enthalpy of reaction between CuSO4 7.5 combustion + Zn; combustion of define calculate standard enthalpies of alcohols. combustion using the equation q = Introduce the bomb mcΔT calorimeter and describe a bomb calorimeter compare values for explain how a bomb calorimeter is enthalpy of combustion different to simpler calorimeters that obtained using simple are used to determine enthalpies of calorimetry with a bomb combustion calorimeter. Explain the differences in findings. 6 Hess’s law 7.6 3.1.4.3 Applications of Hess’s Law Introduce Hess’s law and Explain Hess’s law Hess’s Law. recap the definitions of Identify enthalpies of combustion and enthalpy of formation, formation Hess’s cycles
of the specific heat capacity, c, of a substance. AT a and k PS 2.4, 3.1, 3.2, 3.3 and 4.1: Students could be asked to find ΔH for a reaction by calorimetry. Examples of reactions could include: dissolution of potassium chloride; dissolution of sodium carbonate; neutralising NaOH with HCl; displacement reaction between CuSO4 + Zn; combustion of alcohols. 4 Enthalpy of neutralisation Calculate expected temperature changes from given neutralisation reactions and compare predictions to empirical values. Compare temperature changes obtained in different reaction vessels. explain the term enthalpy of neutralisation Explain how to measure the enthalpy of neutralisation Predict temperature changes from the equation q = mcΔT 7.5 5 Enthalpy of combustion Introduce the bomb calorimeter and compare values for enthalpy of combustion obtained using simple calorimetry with a bomb calorimeter. Explain the differences in findings. define calculate standard enthalpies of combustion using the equation q = mcΔT describe a bomb calorimeter explain how a bomb calorimeter is different to simpler calorimeters that are used to determine enthalpies of combustion 7.5 6 Hess’s law Introduce Hess’s law and recap the definitions of enthalpy of formation, Explain Hess’s law Identify enthalpies of combustion and formation Hess’s cycles 3.1.4.3 Applications of Hess’s Law Hess’s Law. 7.6
Chemistry%20SoW%20Year%201.docx