Download complete notes of Chapter 5 – Energetics for Class 9 Chemistry from LastHopeStudy.com, prepared according to the Punjab Textbook Board (PTB) New Syllabus 2025–26. These notes are designed to make thermochemical concepts easy and exam-ready.
Chapter 5 – Energetics – 9th Chemistry – New Book
Energetics deals with the energy changes that occur during chemical reactions. These notes include important short questions, important long questions, topic-wise MCQs, topic-wise short questions, and complete solved exercises, all aligned with the board paper format.
📘 Chapter Overview – Energetics
In this chapter, you will learn:
- Basic concepts of energy, system, and surroundings
- Types of chemical reactions based on energy changes: Exothermic & Endothermic
- Activation energy and reaction profiles
- Heat of reaction (Enthalpy changes)
- Applications of energy changes in real life
- Measurement of enthalpy change using calorimetry
Understanding energetics is essential for grasping how energy flows in physical and chemical processes.
✅ What’s Inside the Notes?
✔️ Topic-wise MCQs with concept-based answers
✔️ Important Short Questions with clear and concise explanations
✔️ Important Long Questions from previous board trends
✔️ Complete Exercise Solutions from PTB textbook
✔️ Thermochemical equations and reaction diagrams
✔️ Solved examples with step-by-step explanations
✔️ Clean and mobile-friendly PDF format ready to print or view
Perfect for quick review, conceptual understanding, and exam revision.
📌 Notes Useful for All Punjab Boards
These notes are equally beneficial for:
- Lahore Board
- Gujranwala Board
- Rawalpindi Board
- Faisalabad Board
- Multan Board
- Bahawalpur Board
- Sargodha Board
- DG Khan Board
- Sahiwal Board
🎯 Why Use LastHopeStudy.com?
- Based on PTB Chemistry Book 2025–26
- Notes created by experienced teachers & examiners
- Available for both Urdu & English medium students
- 100% free to download and use
- Includes solved exercises + additional questions
📚 Learn how energy flows in chemical reactions with confidence. Download the full Chapter 5 – Energetics notes today from LastHopeStudy.com and boost your board exam preparation.
