Qualification > Sciences
CHEM AND BIO HELP AND TIPS HERE
MasterMath:
--- Quote from: Kimo Jesus on June 06, 2010, 02:16:21 pm ---the alcohol jst loses an H
which paper ?
--- End quote ---
errm let me see . 2004 nov!
WARRIOR:
--- Quote from: rhea on June 06, 2010, 02:18:55 pm ---umm...but 2 on Sc when its valency is 3??!
i just dont get this ionic eq balancing!
--- End quote ---
its 3+ on th eleft and 2 + on the right , so we have to make it 6 to balance
so times 3+ by 2 and 2 + by 3 = 6
and snce now you have 2 SC 3+ oyu have to 2 SC atoms!
WARRIOR:
--- Quote from: MasterMath on June 06, 2010, 02:19:46 pm ---errm let me see . 2004 nov!
--- End quote ---
the C00 is a double bond
its right
rhea:
--- Quote from: Kimo Jesus on June 06, 2010, 02:20:56 pm ---its 3+ on th eleft and 2 + on the right , so we have to make it 6 to balance
so times 3+ by 2 and 2 + by 3 = 6
and snce now you have 2 SC 3+ oyu have to 2 SC atoms!
--- End quote ---
ohkk!
got it!
thanks!
+rep! ;)
WARRIOR:
--- Quote from: mdwael on June 06, 2010, 02:19:23 pm ---In may/june 2003 paper 3 chemistry how do you draw the structure of the polymer? its questions 3d(ii)
--- End quote ---
link please
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