4.7827 reviews

Last updated

4 June 2023

A structured KS5 lesson including starter activity and AfL work tasks and main work tasks on Bond Enthalpies

By the end of this lesson KS5 students should be able:

LO1: To explain the term average bond enthalpy
LO2: To explain exothermic and endothermic reactions in terms of enthalpy changes associated with the breaking and making of chemical bonds
LO3: To apply average bond enthalpies to calculate enthalpy changes and related quantities

The teacher will be able to check students have met these learning objectives through mini AfL tasks for students to complete

All tasks have worked out answers, which will allow students to self assess their work during the lesson

Declaimer: Please refrain from purchasing this popular resource for an interview lesson or a formal observation. This is because planning your own lessons, including using your own lesson PowerPoints, is a fundamental skill of a qualified/unqualified teacher that will be assessed during the scenarios outlined above

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Energetics ( AS Level Chemistry)

5 Full Lessons on Energetics in AS Level Chemistry. See below for the lesson objectives **Lesson 1: Enthalpy and Reactions** LO1: To explain that some chemical reactions are accompanied by enthalpy changes that are exothermic or endothermic LO2: To construct enthalpy profile diagrams to show the difference in the enthalpy of reactants compared with products LO3: To qualitatively explain the term activation energy, including use of enthalpy profile diagrams **Lesson 2: Enthalpy Changes ** LO1: To know what standard conditions are LO2:To understand the terms enthalpy change of combustion, neutralisation and formation LO3:To construct balanced symbol equations based on the terms enthalpy change of combustion, neutralisation and formation. **Lesson 3: Bond Enthalpies** LO1: To explain the term average bond enthalpy LO2:To explain exothermic and endothermic reactions in terms of enthalpy changes associated with the breaking and making of chemical bonds LO3:To apply average bond enthalpies to calculate enthalpy changes and related quantities **Lesson 4: Calorimetry ** LO1:To determine enthalpy changes directly from appropriate experimental results, including use of the relationship q=mcΔT LO2:To know the techniques and procedures used to determine enthalpy changes directly using a coffee cup calorimeter LO3:To know the techniques and procedures used to determine enthalpy changes indirectly using a copper calorimeter **Lesson 5: Hess' Law & Enthalpy Cycles ** LO1: To state Hess’ Law LO2: To calculate the enthalpy change of a reaction from enthalpy changes of combustion using Hess’ Law LO3:To calculate the enthalpy change of a reaction from enthalpy changes of formation using Hess’ Law ***Declaimer: Please refrain from purchasing this popular resource for an interview lesson or a formal observation. This is because planning your own lessons, including using your own lesson PowerPoints, is a fundamental skill of a qualified/unqualified teacher that will be assessed during the scenarios outlined above***

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Energetics ( AS Level Chemistry)

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