Topic Details (Notes format)

Thermochemistry

Subject: General Science

Book: NCERT Chemistry Class 12

Study of heat changes in chemical reactions.
- **Enthalpy and Internal Energy**:
- Relationship and measurement.
- **Hess’s Law**:
- Heat of reaction calculation.
- **Bond Enthalpy**:
- Energy changes in bond formation.

**Possible Exam Questions:**
1. Define enthalpy and explain its significance.
2. What is Hess’s law? How is it applied in thermochemistry?
3. Explain the concept of bond enthalpy.
4. How does heat capacity affect thermochemical reactions?
5. Differentiate between endothermic and exothermic reactions.

Practice Questions

Which organ regulates blood sugar levels in the human body?

View Question

What is the main purpose of stomata in plants?

View Question

Which gas is commonly used in balloons to make them float?

View Question

What is the boiling point of water at standard atmospheric pressure?

View Question

What is the approximate age of the Earth?

View Question

What is the smallest unit of life?

View Question

What is the unit of force in the SI system?

View Question

Which is the smallest bone in the human body?

View Question

Which part of the cell is responsible for energy production?

View Question

What is the chemical symbol for gold?

View Question