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Search results
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AS Physics P21
LOL i really thought u wrote "god knows" i was like damn this girl is getting U for that :o -
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Paper 5 Tips !! :)
guys how can i do the table in part 1(d) pls pls help.. http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w09_qp_52.pdf -
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Paper 5 Tips !! :)
can u see that? u connect it to a gas syringe and once u remove the barrier between them the reaction will start and that way u will have no loss of oxygen because the syringe will be already connected -
Paper 5 Tips !! :)
you mean u wanna know how a divided flask looks like ? -
Paper 5 Tips !! :)
how do u put it straight in the conical flask? like u just throw it in there ? this will start the reaction immediately and u still didn't connect ur apparatus to a gas syringe so loss of oxygen (thats an error) and u wont be able to determine the rate if u do it that way. so what the mark... -
Chemistry Paper 21 discussion
Someone pls explain the Clf3 and ClBr3 question..the difference in their boiling point ? -
Paper 5 Tips !! :)
They said the "sum" of the products so its the moles of water + the moles of the gas -
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Paper 5 Tips !! :)
pls can someone show or explain how to do part 1. (e) and (d) of this question ? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w12_qp_52.pdf -
Chemistry Paper 21 discussion
hay guys the last question the last part of it when i broke the c=c double bond i didn't fully oxidise the organic compound to acid i only did to aldehyde..is it acceptable or i had to do complete oxidation ? -
Paper 5 Tips !! :)
for question 1 d october november 2010 paper 51 how can i prepare 250cm^3 of 0.1M aqueous lead nitrate? http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w10_qp_51.pdf you know what..i cant do the whole planning for this question arghhh..someone... -
Paper 5 Tips !! :)
always make scales that r divisible by 2,4 and 5 dont make awkward scales like 3, 7 , 11 etc on each large square no keep it neat like 2, 4, 6 etc on each large square -
Paper 5 Tips !! :)
i know yeah and when u dont fill most of it u feel like u r not answering the question well even though u included all the 4 points but seeing most of the page empty makes u feel awkward -
Paper 5 Tips !! :)
i need to find the solubility so it is mass of solid dissolved/mass of water. they gave me 60cm^3 of distilled water should i pretend that 1g = 1cm^3 or there is a way to find the mass of water? -
Paper 5 Tips !! :)
question one 1 c october november 2008..how can i calculate the mass of water..is 60cm^3 means 60g or what? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_5.pdf -
Paper 5 Tips !! :)
paper 5 chemistry should be removed from A2 and they should put a MCQ for A2 instead..i think its much better paper 5 is just sooo lame and it sucks :( -
Paper 5 Tips !! :)
damn i guess i was late in explaining the equation..ehmm someone posted it faster than me :P