Energy in Chemical Reactions
Learning Time: 5-15 hours
Content: Energy in chemical reactions is a subject that examines the energy changes and thermodynamic processes during reactions. This area covers enthalpy (ΔH), entropy (ΔS), free energy (ΔG), exothermic/endothermic reactions, Hess’s Law, and calorimetry. The TYT focuses on enthalpy and basic calculations, while the AYT focuses on Gibbs free energy and equilibrium relationships. The current 2025 curriculum also covers renewable energy and catalyst design. Learning this topic provides the foundation for understanding reaction efficiency.
- Energy Types and Changes:
- Enthalpy Change (ΔH)
- Exothermic and Endothermic Reactions
- Entropy Change (ΔS)
- Free Energy:
- Gibbs Free Energy (ΔG = ΔH – TΔS)
- Reaction Spontaneity
- Relationship with Equilibrium
- Calorimetry:
- Types of Calorimeters (Bomb, Water)
- Heat Capacity and Specific Heat
- Practical Measurement Techniques
- Hess’s Law:
- Reaction Path Independence
- Enthalpy Calculation
- Applications (Complex Reactions)
- Applications:
- Renewable Energy (Fusion)
- Catalyst Design
- Industrial Thermal Management
- Affecting Factors:
- Reaction Conditions
- Molecular Structure
- Presence of Catalyst
- Modern Developments:
- High-Efficiency Energy Systems
- Thermochemical Simulations
- Green Chemistry Energy Solutions
Course Features
- Lectures 0
- Quizzes 0
- Duration 5 hours
- Skill level Expert
- Language English
- Students 15
- Assessments Yes
