First Part Chapter - 4

• 1 - chemical equilibrium-01
• 2 - chemical equilibrium-02
• 3 - chemical equilibrium-03
• 4 - chemical equilibrium-05-1
• 5 - chemical equilibrium-05-6
• 6 - chemical equilibrium-06
• 7 - chemical equilibrium-07
• 8 - pH -02
• 9 - Chemical Change 09
• 10 - Chemical Change 10
• 11 - buffer-01
• 12 - buffer -02
• 13 - buffer- 03
• 14 - Chemical Change 14
• 15 - buffer solution booster
• 16 - Green Chemistry
• 17 - vant hoff,la chatelier
• 18-buffer boster -2 - vant hoff,la chatelier
• 19- CQ SOLVE
• 20-Engineering class
• ch-4 practise sheet

Second Part

• 1 - ideal gas state equation
• 2 - Environmental chemistry -02
• 3 - Environmental chemistry -03
• 4 - 'gas law'
• 5 - gas law-2
• 6 - GRAHAM'S GAS DIFFUSION
• 7 - Environmental chemistry -07
• 8 - Environmental chemistry -08
• 9 - Environmental chemistry -09
• 10 - Environmental chemistry -10
• 11 - Environmental chemistry -11
• 12 - Environmental chemistry -12
• 13 - environmental 13
• 14 - Environmental chemistry -14
• 15 - Environmental chemistry -15