IB Chemistry Topic 15.2 (HL): Entropy & Spontaneity

This video commences by reviewing previously introduced types of enthalpy changes and how these are related to a reaction’s spontaneity. Then, the concept of entropy, its formula, and the various factors that affect it are discussed. Lastly, Gibbs free energy and its formulae are introduced as a measure of spontaneity, followed by the exploration of how its value changes with different values of enthalpy and entropy.

00:00 Introduction
00:22 Review of Enthalpy Changes
00:36 Spontaneity
00:58 Entropy
01:26 Standard Entropy Change
03:10 Example Question
03:49 Universal Entropy
04:46 Preview finished!

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[AskJakeChemistryVideos]

This is an excellent video. Thank you :D