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Edexcel CHEMISTRY DOUBTS!!!!

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Amelia:

--- Quote from: Za_shadow on December 31, 2012, 01:05:54 pm ---plzzzz helppp mee

jan 09 question 23 c i )
why did he multiply 2*0.01/2 *100
and didn't multiply 30*0.5/30 *100

jan 2010 Q5  why A  i don't understand the question :(

and Q6 why A not C

May 2010 Q4 (a) why B ??????

May 2011 Q8 why C ???

and Q9 why C ???

really appreciate anyy helpp and thank u veryyyyy mucchhhh

--- End quote ---

I'm sorry, but can you post the links of the question paper or the questions itself? It will be easier to answer. Thank you and sorry.

Za_shadow:

--- Quote from: Amelia on December 31, 2012, 03:05:25 pm ---I'm sorry, but can you post the links of the question paper or the questions itself? It will be easier to answer. Thank you and sorry.

--- End quote ---

sure no problem at all but plzzz help me

http://www.edexcel.com/migrationdocuments/QP%20GCE%20Curriculum%202000/January%202009/6CH01_01_que_20090109.pdf
http://www.edexcel.com/migrationdocuments/QP%20GCE%20Curriculum%202000/GCE%20January%202010%20-%20QP/6CH01_01_que_20100114.pdf
http://www.edexcel.com/migrationdocuments/QP%20GCE%20Curriculum%202000/june2010-qp/6CH01_01_que_20100521.pdf
http://www.edexcel.com/migrationdocuments/QP%20GCE%20Curriculum%202000/June%202011%20-%20QP/6CH01_01_que_20110523.pdf

and thanks again

NotAbod:
First question: If you are to take initial and final reading, error is multiplied by 2. This applies to balance, burette etc.
No idea about the rest, I suck at unit 1 Chemistry. :(

DrThamooth:
Hii all ,
I really need the CGP chemistry A2 guide
i cannot find it anywhere x_x
if any of you have the link maybe or you can upload it , it would really be appreciated ..
thank you :D

Amany ali:
CAN Anybody teach me how to draw hesses law cycle ...??? i donno a bi of it :/  ??? ???

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