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subject/exam rank/assessment rank advanced english, 44/150, 36/150 3unit maths, 4/35, 5/35 4unit maths, 1/12, 1/12 chemistry, 8/105, 8/105 biology, 2/180, 19/180 SOR 1, 10/30, 8/30 what hsc marks am I looking at? school rank: 140

im only doing like 3-4 hrs :( but then again ive been doing that pretty much all year now

not much

my answer is still right

teachers arent allowed to give detentions in my school :)

there is no half marks in the hsc

write out the balanced equations for each and calculate the volume required from these mole ratios. U'll find that the strength of the acid has nothing to do with how much volume is required and it is purely the mole ratio. Since citric acid has a mole ratio of 1:3 it requires the most volume of...

really? but i thought the cut off for an E4 was around 60, how can low 70's only be 46

mate, a raw mark of 81 in chemistry would get you a low band 6

1 hour study, half hour break my breaks are too much but ive still got plenty of time so its allright

4unit: 98/120 3unit: 72/84 bio: 88/100 chem: 77/100 english advanced: 88/105 SOR 1: 36/50

all good :)

hey?

school rank: 140 exam rank.....overall rank maths ext 2: 1/10......1/10 maths ext 1: 4/40......5/40 biology: 2/200............19/200 chemistry: 8/110.........8/110 advanced english: 49/150.....38/150 SOR1: 10/30.............8/30

The colourless aqueous solution of a white solid sample formed a precipitate with an acidified aqueous solution of lead (II) nitrate. What is the possible identity of the original solution of this sample? (A) copper (II) sulfate (B) barium chloride (C) sodium sulfate (D) silver chloride

yes you do need to find the point of intersection...form a simultaneous equation y= px-ap^2 ....(1) y= -a ....(2) px-ap^2=-a px=ap^2-a x= (ap^2-a)/p R{(ap^2-a)/p, -a}

LOL true...the indian guy

why, dont they all form precipitates?...and btw the answer is C.

The colourless aqueous solution of a white solid sample formed a precipitate with an acidified aqueous solution of lead (II) nitrate. What is the possible identity of the original solution of this sample? (A) copper (II) sulfate (B) barium chloride (C) sodium sulfate (D) silver...

Re: Volumes -- parabolic cross sections --- problem with finding area of cross-sectio yeh soz thas what i meant