Energetics and Thermodynamics · Thermodynamics

Enthalpy Changes and Hess's Law

Calculating energy changes using bond enthalpies and cycle-based methods.

Key Questions

  1. 1Why is it possible to calculate the enthalpy of a reaction that cannot be measured directly?
  2. 2How does the strength of a chemical bond relate to the overall enthalpy change of a reaction?
  3. 3What is the significance of the standard state when defining enthalpy values?

MOE Syllabus Outcomes

MOE: Chemical Energetics - JC1
Level: JC 1
Subject: Chemistry
Unit: Energetics and Thermodynamics
Period: Thermodynamics

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