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the other thread was muddled.

OK, these are the weights for the 2002 AP, same for this year (although my point values may be off- I tried).
MC:

45%, 75 problems, -.25 for wrong answers. Each answer is worth .6% of your total grade.

FRQ:

Question 1, Equilibriium: 20% of 55% = 11% of your total grade. usually 9 points, so each point is worth 1.2% of your point total.
*this was your WEAK BASE problem.

Question 2 or 3, Calculation: 20% of 55% = 11% of your total grade. usually (8 or) 9 points, so each point is worth 1.2% of your point total.
*GAS or KINETICS problem. (mostly)

Question 4, Net Ionic Equations: 15% of 55% = 8.25% of your grade. 15 points possible, 3 for each reaction. Each point is worth .55% of your final grade.
*EQUATION WRITING.

Question 5, Lab: 15% of 55% = 8.25% of your grade. ~9 points possible, so each point is worth ~.9% of your final grade.
*SPECTROPHOTOMETER/ COMMON LAB KNOW-HOW

Question 6, Required Explanation: 15% of 55% = 8.25% of your grade. ~9 points possible, so each point is worth ~.9% of your final grade.
*EXPLAIN PHENOMENA: boiling pts, condensation, non-ideal gas, acid rain

Question 7 or 8, Explanation: 15% of 55% = 8.25% of your grade. ~8 points possible, so each point is worth ~1% of your final grade.
*THERMODYNAMICS or SOMETHING WITH O-CHEM.

This adds up to be roughly 100%. Add up the percents you think you got right, for example 65%. The AP scorers do it differently, and your score is out of 160, but I don't know how this works. So to simulate that, multiply 160 by the percent you got right. Example (160)*(.65)= 104. I've heard that the cutoff for a 5, while varying from year to year, is around 100 or 105. I'm pretty sure a 4 is ~80 points, but I'm not sure about the rest. Anyways, this should give you an idea of what your score is. Hope this helps.

By Sixtoes (Sixtoes) on Tuesday, May 13, 2003 - 10:33 pm: Edit

bump

By Pringles (Pringles) on Tuesday, May 13, 2003 - 10:55 pm: Edit

wow, how sure are you of that? i'm a goofball and i accidentally skipped essay 7/8 because i thought there were only 6 free response questions, for some reason.

so if i skipped 5 mc and missed 5 i'll get 64*.6%=38.4%

3+5+8+5+9+0
3.6+6.0+4.40+4.5+8.25=26.75%

38.4+26.75=65.15%
.6515*160=104.24
so i can still get a 5? is that logical? because i did skip a whooole essay.

By Sixtoes (Sixtoes) on Tuesday, May 13, 2003 - 11:29 pm: Edit

ya youll get a 4/5. depends on the exact cutoff. a friend of mine skipped one and did badly on the mc and got a 4 a few years ago.

By Diconoclastx (Diconoclastx) on Tuesday, May 13, 2003 - 11:39 pm: Edit

Haha. If u think u missed 5 u prolly missed 20.

By T0fu (T0fu) on Tuesday, May 13, 2003 - 11:47 pm: Edit

I know a guy that skipped a FR and got a 5.

By Pringles (Pringles) on Tuesday, May 13, 2003 - 11:50 pm: Edit

lol
it's not that i know of 5 i missed, i'm just assuming i'll miss the ones i wasn't sure of and may have guessed on. i know i definitely missed 1 because i had 2 answers bubbled for it and i didn't have time to erase one.

By Dxiw (Dxiw) on Wednesday, May 14, 2003 - 01:27 am: Edit

my friend answered just free response and 15MC and got a 5 last year.

By Jason817 (Jason817) on Wednesday, May 14, 2003 - 12:48 pm: Edit

He must have gotten 100% on the FR and all the MC right. Why would he answer only 15 questions?

By Dxiw (Dxiw) on Wednesday, May 14, 2003 - 05:25 pm: Edit

this guy is like a test god, 5 on every AP and 1600 sat 239psat. He just does •••• like that to be badass..

By Sixtoes (Sixtoes) on Wednesday, May 14, 2003 - 11:08 pm: Edit

bump yo

By Haan (Haan) on Thursday, May 15, 2003 - 03:35 pm: Edit

Sixtoes: Where did u find the actual calculations for the 2002 AP Chem? Is there any place where i can get those calculations for the 2002 AP US exam so i can have an idea of the cutoffs etc for this year?

By Sixtoes (Sixtoes) on Thursday, May 15, 2003 - 06:50 pm: Edit

i didn't, the test itself says what the weights are and my teacher graded a recent exam and i estimated the point value from that. maybe your teacher has the guidelines to grade an old us exam. sorry i can't help more.

By Chen (Chen) on Thursday, May 15, 2003 - 09:31 pm: Edit

Beh, all the posts asking to calc scores got deleted. Dxiw, he only answer 15 MC questions?! That doesn't make sense that he'd get a 5.

Do you think you could still be in for a 4 if you skipped 14 MC questions and got some wrong nad then got a lot on FR wrong? Like 2 or 3 per each FR. Hah, using the % system (it's pretty confusing), it looks like I'm just in for a 3, lmao. This sucks.

By Flippanda328 (Flippanda328) on Friday, May 16, 2003 - 02:00 am: Edit

What raw score out of 160 is a DEFINITE 5, is it 105?

By Sixtoes (Sixtoes) on Friday, May 16, 2003 - 10:39 pm: Edit

i heard the "100-105" thing from a very very secondhand source. i'd say that if you have a 120, you'll definitely get a 5. they change the cutoff from year to year, i don't want to jinx myself or take any chances by talking about lower numbers.

By Juice (Juice) on Friday, May 16, 2003 - 11:13 pm: Edit

15 MC could yield a 5.

15/75 = 20% * .45 = 9%
100 of FR * .55 = 55%
----
64% = A 5