How reactions occur? Lecture 3 Chapter 5 - Chemistry class 9 in Urdu - new book скачать в хорошем качестве

How reactions occur? Lecture 3 Chapter 5 - Chemistry class 9 in Urdu - new book

Welcome in this video we shall look at Lecture 3 of chapter 5 of chemistry class 9 in Urdu medium in this lecture 5 of chapter 3 we shall discuss that how a chemical reaction occurs so in which we also discuss the transition state and how molecules react to go to the transition state and after completing the transition state how a chemical reaction is completed or converted back into reactants. The name of the chapter 5 is energy and its changes in different forms. In this lecture 3 of chapter 5 we shall also study the energy profile diagram in which we will see the path followed by the reactants to make products during a chemical reaction. At the last of chapter 5 lecture 3 we shall also see the role of a catalyst during a chemical reaction. So best of luck for Lecture 3 chapter 5 of chemistry class 9 in Urdu medium of new book.