The craziness of the crazy children

They Dota for the whole night till morning and even went out for breakfast. LOL xD

Geng geng sekalian yang ambil chemi, inilah tips yang Mr. Raj gave today in the tutorial.

Exam question 4,5 and 6 in exam total up 75 marks out of 100 marks

Chapter 6 and 7 very important. 2 questions coming out.
Another question is the combination of Chapter 8, 9 and 10.



Chapter 6

• Be able to explain the factors that affect the reaction rates. The factors are surface area, temperature, concentration and catalyst. Surface area and temperature have been asked in test. So others are more likely to come out in exam although he say he may repeat again. Remember to relate the factors back to Collision Theory and also Transition Theory to gain 2 marks.
• 6.3 First order integrated law expression never came out in test so would be out in exam.
• 6.4The Arrhenius Equation

Chapter 7

• Heterogeneous
• Kp
• Kc

Chapter 8

• Ka
• pH
• Kw
• OMIT 8.1,8.6,8.7 and 8.8

Chapter 9

• 2 question coming out.
• Buffers-How it works and how it is formed.
• Titration Curves - Strong acid/strong base(easier to answer); weak acid/strong base; weak base/strong acid(harder)
• OMIT 9.4 acid-base indicators

Chapter 10

• Ksp (slide 22)
• Precipitation occurs or not
• OMIT 10.5 and 10.6