🧪ap chemistry review

ΔS°reaction = ΣS°products - ΣS°reactants

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The equation for calculating standard entropy change of a reaction as the sum of standard molar entropies of products minus the sum of standard molar entropies of reactants.

AP course connection

Topic 9.2: 9.2 Absolute Entropy and Entropy Change

Unit 9

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