chapter 3 lesson 10 part 1 (chemical equilibrium) for 3rd secondary students ♥️
30:49
chapter 3 lesson 10 part 3 ( chemical equilibrium -1) for 3rd secondary students ♥️
44:55
chapter 3 lesson 11 part 1 ( chemical equilibrium -2) for 3rd secondary students ♥️
4:45:11
Third Sec.( 2022/2023 ) - Chapter 3 - Lecture 1 - Chemical Equilibrium & Le Chatelier’s Principle
1:09:53
chapter 4 lesson 17 part 1 ( electrochemistry-4 ) for 3rd secondary students ♥️
54:20
chapter 4 lesson 16 part 2 (electrochemistry-3 ) for 3rd secondary students ♥️
32:39
chapter 3 lesson 10 part 2 ( chemical equilibrium -1) for 3rd secondary students ♥️
18:00
Placez 1 morceau sous l'orchidée ! Pousse soudainement 100 branches et fleurit toute l'année
36:16