Gibb's Free Energy

Grade 1045 min

Learning Objective

I can predict whether a reaction will be spontaneous or non-spontaneous based on the value of ΔG.

Lesson Flow

Watch Video

5 min

Introduction to Gibbs free energy | Applications of thermodynamics | AP Chemistry | Khan Academy

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Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

If a reaction has a ΔG value of -450 kJ/mol, is the reaction spontaneous, non-spontaneous, or at equilibrium? If a reaction has a ΔG value of +125 kJ/mol, is the reaction spontaneous, non-spontaneous, or at equilibrium? If a reaction has a ΔG value of 0 kJ/mol, is the reaction spontaneous, non-spontaneous, or at equilibrium?

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
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