Qualification > Sciences
ALL CIE CHEMISTRY DOUBTS HERE !!
Arthur Bon Zavi:
Pretty easy it was.
TJ-56:
Regarding the E(cell) values, how do we know if a reaction can occur or not? For example: mj02, q4(c): (i)no reaction occurs, well how can we decide so? and (ii) a reaction occurs. Is there like a 'least value of an E(cell) of a reaction to occur'?. And also, can someone please explain which value we subtract from which in calculating this E(cell) value? I notice sometimes in every paper its different and I have found it really confusing.
Thanks in advance and I really appreciate the help.
EMO123:
--- Quote from: TJ-56 on May 19, 2011, 04:44:43 pm ---Regarding the E(cell) values, how do we know if a reaction can occur or not? For example: mj02, q4(c): (i)no reaction occurs, well how can we decide so? and (ii) a reaction occurs. Is there like a 'least value of an E(cell) of a reaction to occur'?. And also, can someone please explain which value we subtract from which in calculating this E(cell) value? I notice sometimes in every paper its different and I have found it really confusing.
Thanks in advance and I really appreciate the help.
--- End quote ---
which year or which variant
TJ-56:
--- Quote from: EMO123 on May 19, 2011, 04:48:59 pm ---which year or which variant
--- End quote ---
Thanks for trying to help. Well I just posted an example: May June 2002 Paper 4 Q4 (c), but as I wrote I found the topic a bit confusing.
EMO123:
--- Quote from: TJ-56 on May 19, 2011, 04:53:07 pm ---Thanks for trying to help. Well I just posted an example: May June 2002 Paper 4 Q4 (c), but as I wrote I found the topic a bit confusing.
--- End quote ---
its k i will try to do that
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