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y^{2}=&space;4px&space;\\&space;x-y+2&space;=&space;0&space;\\&space;\\&space;y&space;=&space;x&space;+&space;2&space;\\&space;\\&space;x^{2}+4x&space;+&space;4&space;-4px&space;=&space;0&space;\\&space;\\&space;x^{2}+4x(1-p)+4&space;=&space;0

with the commercial papers yes, and like 2 selective schools, but i am limited in the number of papers i have.

The conversion of sulfur dioxide to sulfur trioxide is an equilibrium reaction, involving a fine delicate balance between a set of compromise conditions which maximise the yield at the smallest cost possible. 2SO2(g) + O2(g) (equilibrium) 2SO3(g) + heat. (catalyst = vanadium oxide). Increasing...

Does anyone have any 2014 papers that they could upload or message me? Will be appreciated. :D

Several Stages - 1) Passed over catalytic bed at 450 degrees, 70% conversion 2) Passed over a second catalytic bed at 400 degrees, 97% conversion 3) Passed over third catalytic bed at 350 degrees, 99.7% conversion

hahahaha...

Correct Guys SEVENTHROOT DID NOT DO CHEMISTRY. HE IS A TROLL.

i don't think you have to add more of the alkanol. All it does it shift equilibrium to the right, but it's not cost effective. Equal volumes are used guys.

. do this guys.

Tbh idk, ill check right now since i made the question lolol

Solutions containing nickel (II) ions were analysed by AAS. A standard solution of 5 ppm nickel had an absorbance of 0.200. A second solution of unknown concentration was found to have an absorbance of 0.500. 100 mL of this second solution was reacted with excess sodium carbonate solution...

You make up suitable volumes. Do not Say add 1234234234L of ethanol.

M8 hahaha \text{Probability&space;of&space;getting&space;100&space;in&space;standard&space;english?}&space;\\&space;\\&space;\lim_{x\rightarrow&space;\infty}\frac{1}{x}

\text{Calculate&space;the&space;final&space;pH&space;of&space;a&space;mixture&space;containing&space;20mL&space;of&space;15M&space;sulfuric&space;acid,&space;50mL&space;of&space;nitric&space;acid&space;and&space;100mL&space;of&space;0.00001M&space;hydrochloric&space;acid.} 2M Nitric Acid.

Nope it was a question from 2007 Independent paper

Yeah i also got D, however answers say A for some reason...

haha do the question, it's a multiple choice.

What did you get?

Someone do this, i think the answers is wrong.

. For 7 marks, that's what they're looking for. Chemistry is like that, they go way out of the question and require you to write additional info. For instance in the 7 marker, if you say i used reflux and that's it. Markers will be like wtf is reflux and why did you use it? Hence why you...