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 vitamin is responsible for blood clotting?

View Question

What is the primary function of red blood cells (RBCs) in the human body?

View Question

What is the unit of electrical resistance?

View Question

Which part of the plant conducts water?

View Question

Which gas is used in fire extinguishers?

View Question

What is the chemical formula of methane?

View Question

Which element is the most abundant in the Earth’s crust?

View Question

Which process converts glucose into energy in the human body?

View Question

What is the chemical name of table salt?

View Question

What type of energy is stored in a stretched rubber band?

View Question