Subject: General Science
Book: NCERT Chemistry Class 12
Study of energy changes in chemical reactions.
- **First Law of Thermodynamics**:
- Conservation of energy.
- **Enthalpy and Gibbs Free Energy**:
- Spontaneity of reactions.
- **Entropy and Second Law**:
- Direction of chemical processes.
**Possible Exam Questions:**
1. State and explain the first law of thermodynamics.
2. How is Gibbs free energy related to reaction spontaneity?
3. What is entropy? Explain its significance.
4. Differentiate between exothermic and endothermic reactions.
5. How does temperature affect reaction feasibility?
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