Thermochemistry, Hess's Law, and Chemical Thermodynamics

10th Grade · Science · Open Global Science

9 lessons

Goal

Analyze enthalpy changes, construct reaction energy profiles, calculate enthalpy using bond energies and Hess's Law, and evaluate thermodynamic feasibility using entropy and Gibbs free energy.

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Exothermic and Endothermic Reactions: System and Surroundings

9 lessons

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Exothermic and Endothermic Reactions: System and SurroundingsUp next
Enthalpy Changes in Chemical ReactionsPremiumNot started yet
Constructing and Interpreting Reaction Profile DiagramsNot started yet
Calculating Overall Energy Changes Using Bond EnergiesNot started yet
Standard Enthalpies of Formation and Reaction CalculationsNot started yet
Applying Hess's Law to Calculate Enthalpy ChangesNot started yet
Calorimetry and Experimental Enthalpy DeterminationNot started yet
Introduction to Entropy and Molecular DisorderNot started yet
Gibbs Free Energy and Thermodynamic FeasibilityNot started yet

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Standards Covered

OGS.11.PS.EQ.1Open Global Science Standards 2026™ · Science · Level 11 / High School 2 (Age 15) · Grade 10
Analyze energy changes in chemical reactions, construct reaction profiles showing activation energy and enthalpy changes (ΔH), calculate enthalpy using bond energies and Hess's Law, and apply entropy to assess thermodynamic feasibility.