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Recent content by ammarelahi

Chem P4 eelctrode potential help

anybody ?? do we have to look at the reversible equations or the reactions occuring at the electrodes ?
- ammarelahi
- Post #4
- May 24, 2011
- Forum: A-Levels
Chem P4 eelctrode potential help

Here is the link to the paper http://www.xtremepapers.me/CIE/Internat ... _qp_41.pdf
- ammarelahi
- Post #3
- May 23, 2011
- Forum: A-Levels
Chem P4 eelctrode potential help

Please I need help with J10 chem p41 q5 part (a) iii ??
- ammarelahi
- Thread
- May 23, 2011
- Replies: 4
- Forum: A-Levels
physics p5 discussion

to how many significant figures should the errors in gradient and y-intercept be given ?
- ammarelahi
- Post #119
- May 22, 2011
- Forum: A-Levels
Chem P4 nanotechnology

can someone tell me some properties of buckyballs and nanomaterials ??
- ammarelahi
- Thread
- May 20, 2011
- Replies: 10
- Forum: A-Levels
Maths (Paper 3)

J10 P31 Q9 help !!
- ammarelahi
- Post #86
- May 18, 2011
- Forum: A-Levels
Maths (Paper 3)

Please tell
- ammarelahi
- Post #18
- May 18, 2011
- Forum: A-Levels
Maths (Paper 3)

how can we check the range of answers tht we get as in N09 P31 Q1 ? and how to solve the inequality in N08 Q5 ii ?
- ammarelahi
- Post #7
- May 18, 2011
- Forum: A-Levels
mechanics NOV 2007 Q7

anybody? here is the link http://www.xtremepapers.me/CIE/Internat ... _qp_43.pdf
- ammarelahi
- Post #14
- May 14, 2011
- Forum: A-Levels
Chemo P5 tips

how r the concentrations to be calculated in N10 P53 Q2 ??
- ammarelahi
- Post #68
- May 14, 2011
- Forum: A-Levels
Final Quick Revision Notes For Maths M1

can anyone help me with P43 J10 Q7 ?? please !!
- ammarelahi
- Post #5
- May 14, 2011
- Forum: A-Levels
mechanics NOV 2007 Q7

can anyone help me with P43 J10 Q7 ??
- ammarelahi
- Post #13
- May 14, 2011
- Forum: A-Levels
mechanics NOV 2007 Q7

thanks but isnt the y-component of of tension in PS acting upwards on the ring S ??
- ammarelahi
- Post #12
- May 14, 2011
- Forum: A-Levels
Chemo P5 tips

one question..when calculating standard enthalpy change of neutralisation per mole, the expression for heat energy mc(delta)T should be divided by the moles of acid or moles of alkali ??
- ammarelahi
- Post #25
- May 13, 2011
- Forum: A-Levels
mechanics NOV 2007 Q7

yes please especially the last part :) by resolving components at P
- ammarelahi
- Post #8
- May 13, 2011
- Forum: A-Levels

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