Debrief -> Pure Chemistry!

• masterofIT

  24 Oct 07, 22:46

  HEY.
  
  SO WHAT DO YOU GUYS THINK WILL BE THE NEW MARK FOR A1?, AFTER MODERATION. 80%?
• eagle

  24 Oct 07, 22:47

  84%
• hisoka

  24 Oct 07, 22:48

  Originally posted by Lin Yu:

  wan easy...so everybody can pass

  cannot de, its all based on bell curve. so sure ogt pple fail de.
• hiphop2009

  24 Oct 07, 22:52

  now is nt abt pass or fail.
  
  it is abt how well u gonna do
• limywv

  24 Oct 07, 22:58

   

   

   

   

  
  
• rain-coat

  24 Oct 07, 23:41

  Originally posted by ultranova3:

  Incomplete combustion of methane???
  Produce pollutant???
  
  CH4 + 2O2 --> CO2 + 2H2O
  
  methane almost always undergoes complete combustion. No pollutant except CO2.
  
  

  CO2 is NOT a pollutant...
• ^tamago^

  24 Oct 07, 23:53

  Originally posted by ultranova3:

  Incomplete combustion of methane???
  Produce pollutant???
  
  CH4 + 2O2 --> CO2 + 2H2O
  
  methane almost always undergoes complete combustion. No pollutant except CO2.

  You are right that it almost always have complete combustion. The pollutants list also includes CO.
• unclebutcher

  25 Oct 07, 00:01

  Originally posted by mrcoconut:

  knnn, but really ah
  
  why today's paper so easy?
  
  i was expecting a much harder one

  be careful i tell you.
  
  last yr, i was 100% confident my written paper >75%.
  
  i got an a2.
  
  easy moderate down
  difficult moderate up
  
  in the end, no difference.
• limywv

  25 Oct 07, 00:13

   

   

   

   

  
  
• HyuugaNeji

  25 Oct 07, 00:25

  Originally posted by unclebutcher:

  be careful i tell you.
  
  last yr, i was 100% confident my written paper >75%.
  
  i got an a2.
  
  easy moderate down
  difficult moderate up
  
  in the end, no difference.

  methinks O levels need at least 85% for an a1. >90% confirmed a1.
• mrcoconut

  25 Oct 07, 00:46

  Chemistry is over! lets move on to the next paper!