AP Chemistry Curve for 2010 Prediction

<p>Overall consensus is that this year's AP chemistry exam was slightly easier than last year's and the year before (opinion may vary): the curve for 2008 was around 100/150? (pulled that number out of my ass) </p>

<p>Anyone have a number they want to put out for this year's AP chemistry curve?</p>

<p>Some people were saying 115…but that seems ridiculous. I wouldn’t expect this year’s to be any more than 105.</p>

<p>@ invisible monster. You mean no more than 105/150 for a 5</p>

<p>^ Yes.
10char</p>

<p>That is too high. 90-95/150.</p>

<p>My teacher says the cutoff this year for a 5 was like 70%, so it is actually not that surprising. So I believed I got a 4.</p>

<p>^Your teacher couldn’t know that yet</p>

<p>thanks for the responses but at the end of the day…what IS the curve?</p>

<p>It seemed pretty easy. Hoping for a 5.
We won’t know what the curve is until it’s released, if ever.</p>

<p>how do you calculate your score out of 150 again? lol
yeah this test was apparently easier…so idk haha</p>

<p>free response questions</p>

<p>20% 20% 20% 10% 15% 15%</p>

<p>multiple choice</p>

<p>SAT style 1 pt for right answer 0 for blank -.25 for wrong answer</p>

<p>how can question 4 be worth only 10% if it was worth 15 points, more so than the other questions</p>

<p>^
The reaction predictions are always worth 10%. The individual points per question are meaningless as they are all individually multiplied by a number at the end. It’s just to keep track better.</p>

<p>For example, even though 1, 2, and 3 each only have ten points, those ten points are all multiplied by something like 1.7.</p>

<p>What’s the curve for a three?</p>

<p>@ NewAccount
How are you so sure that the curve is 90-95/150? That’s like 60-63%.</p>

<p>To calculate out of 160:</p>

<p>multiple choice (50% of test grade):
75 points x 1.0666667 = 80</p>

<p>short answer (50% of test grade):
Part A
1, 2, 3: total 28 points x 1.71428 = 48 (60% of short answer)
Part B
4: total 15 points x .5333333 = 8 points (10% of short answer)
5, 6: total total 16 points x 1.5 = 24 points (30% of short answe</p>

<p>5 is 107-160
4 is 85-106
3 is 61-84
2 is 42-60
1 is 0-41</p>

<p>**Calculating based on the 150 curve
**
Multiple Choice:
60
Part A
14 x (45/28) = 22.5
Part B
Reactions: 15 x (7.5/15) = 8
5, 6: 14 x (22.5/16) = 19.6875</p>

<p>19.6875 + 8 + 22.5 + 60 = 110.1875</p>

<p>Usually it’s around 107 and up is a 5.</p>

<p>Okay, so now that some people have actually received their scores for AP Chemistry (by calling Edna from the CB, or checking their college websites such as Berkeley’s)… how was this year’s (2010) curve?</p>

<p>Feel free to talk about the curve for both Form B and the regular one, if they are different.</p>

<p>This wait for AP scores is killing me.</p>

<p>All I know is that I was hoping that some miracle would happen and I would get a 3. I ended up getting a 4?!</p>

<p>I expected a 2 or 3. I left many parts of FRQs blank and skipped a lot of the multiple choice, while still being unsure of many of the answers I did put down. I got a 5. MIRACLE.</p>

<p>I expected a 5 and I got a 5. I thought the mc was very easy but some of the FRQ were ore tricky than previous tests. most likely the normal curve</p>

<p>If you expected a 5 and got a 5 then that’s not very good evidence of a normal curve.</p>