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.
If you are searching for Urdu Medium notes of 9th class, then you are at the right place. These notes are specially designed for Urdu Medium (UM / um) students who study from the official Urdu Medium book by PECTA. Most of the websites only focus on English Medium content, but here you will find complete and reliable Urdu Medium notes according to the PECTA Urdu Medium book. Our aim is to provide Urdu Medium students with high-quality study resources that are easy to understand and fully exam-oriented. Whether you are searching for “Urdu Medium notes”, “9th class UM notes”, “um notes for Urdu Medium book” or “Urdu Medium book by PECTA notes”, you will always find this page helpful. These Urdu Medium notes follow the same pattern as the Urdu Medium book by PECTA, making it simple for students to prepare each chapter step by step. By using these notes, Urdu Medium students can save time, focus on important topics, and prepare effectively for exams.
📘 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.