 5 Full Lesson Bundle covering the first 5 chapters in the OCR A Level Chemistry Chapter on Energy

Lesson 1: Lattice Enthalpy

By the end of the lesson students will:

1. Explain the term lattice enthalpy
2. Understand the factors that determine the size of lattice enthalpy
3. Explain the terms standard enthalpy change of formation and first ionisation energy

Lesson 2: Born-Haber Cycles

By the end of the lesson students will:

1. Construct Born Haber Cycle diagrams for ionic compounds from enthalpy change values
2. Calculate the value for lattice enthalpy from Born Haber Cycle diagrams
3. Calculate other enthalpy change values from Born Haber Cycle diagrams

Lesson 3: Enthalpy Changes of Solution & Hydration

By the end of the lesson students will:

1. Define the terms enthalpy change of solution and hydration
2. Construct enthalpy cycles using the enthalpy change of solution of a simple ionic solid
3. Qualitatively explain the effect of ionic charge and ionic radius on the exothermic value of lattice enthalpy and enthalpy change of hydration

Lesson 4: Entropy

By the end of lesson students will:

1. Know that entropy is a measure of the dispersal of energy in a system, which is greater the more disordered a system
2. Explain the difference in entropy of solids, liquids and gases
3. Calculate the entropy change of a reactant based on the entropies provided for the reactants and products

Lesson 5: Gibbs Free Energy

By the end of the lesson students will:

1. Explain that the feasibility of a process depends upon ΔG being negative which in turn depends upon ΔS, ΔH and the T of the system
2. Recall the Gibbs’ Equation and calculate ΔG, ΔH, ΔS or T
3 Calculate ΔG, ΔH, ΔS or T using the Gibbs’ Equation

The teacher will be able to check students have met these learning objectives through starter activities, discussion questions, mini AfL tasks and practice questions for students to complete

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Created: Dec 8, 2019

Updated: Feb 9, 2020

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