<p>Just out of curiosity, how much easier is the SAT2 Chem when compared to the AP MC? I know the SAT2 is 85 questions for 60 minutes while AP is 75 questions for 1.5 hours however are the AP questions significantly harder?</p>
<p>^At least in all the practice tests I’ve done, I’ve found AP Chem way easier than SAT II Chem. Well, kind of. Last one I took I got -8. I probably only got a few more questions wrong on this test. Really they’re pretty easy, I just find AP easier because I’ve prepped more for it and it’s less of a crunch for time.</p>
<p>For the vapor pressure one, I’m pretty sure it wasn’t CE because it said “BECAUSE the boiling point of the solution is LESS than or equal to the atmospheric pressure and decreases as temperature decreases”. What was confusing is the fact that the first portion of the sentence answers the Because and makes the answer CE. But the answer is irrelevant in the second portion that talks about temperature decreases with pressure when the original statement was about elevation. The first statement was “The temperature required to make a solution reach it’s boiling point is lower in higher elevations because” and the answer should be, "Atmospheric pressure is lower at higher elevations and vapor pressure should be GREATER than or equal to atmospheric pressure. That’s also what makes CE incorrect, the vapor pressure should be GREATER than atmospheric so that the gas molecules could actually leave the surface of the liquid and become a gas right? Anway, I put TF.</p>
<p>I also choose TF for that question so CE wan’t even an option.</p>
<p>^ but the problem with that is that you have to account for water molecules that do evaporate and leave even before boiling point has been reached. Boiling point means that all of the molecules, from the bottom to the top of the container, are boiling. But there can be molecules boiling before the boiling point</p>
<p>@mas1996, but if the pressure is below the atmospheric pressure, water will only evaporate, not boil. The definition of.boiling is.when both atmospheric and vapor are.equal
[What</a> happens to particles of water when boiling](<a href=“Answers - The Most Trusted Place for Answering Life's Questions”>What happens to particles of water when boiling? - Answers)</p>
<p>What would a score of
4 wrong 0 omits be?
Sent from my SCH-I500 using CC</p>
<p>@Trading, I feel like the AP Chem MC are much easier but the math is a bit harder, which is probably why they give so much more time on it. Also, it doesn’t have the annoying TTCE questions on it. I miss around 5 on the AP MC practice tests but I miss about 10 on the SAT II</p>
<p>@mas1996, but if the pressure is below the atmospheric pressure, water will only evaporate, not boil. The definition of.boiling is.when both atmospheric and vapor are.equal
<a href=“http://wiki.answers.com/Q/What_happens_to_particles_of_water_when_boiling[/url]”>http://wiki.answers.com/Q/What_happens_to_particles_of_water_when_boiling</a> - Good link
Anyone Agree?</p>
<p>i think the wording was a little confused here. i remember the problem saying “the boiling point is the temperature when the atmospheric pressure is less than or equal to vapor pressure, which decreases as temperature decreases.” thus it would be TTCE</p>
<p>I would have to agree, even though the wording was confusing the answer is TTCE</p>
<p>@anguha, yes the H2 and HCL one was the last picture. Does anyone remember the answer for the salt and sand one. I put the last picture with the water, but some say it’s the funnel.</p>
<p>do you remember the choices?</p>
<p>I believe the answer was something about S forming a 2- ion.</p>
<p>S needs two more electrons to fill its 3p orbitals which would form a 2- ion</p>
<p>Wait does anyone remember if the answer to the conjugate acid/base
was A? I know what the real answer is, but I just remember the letter I put
and not my answer (idk why I just forgot all my logic behind it, and just remember thinking
oh yea this makes sense too because there haven’t been many As before)… </p>
<p>Also, does a strong acid conduct better than water? o.o</p>
<p>It was Acid/Conjugate Base
H20 & 0H- (B)</p>
<p>S2- is the correct answer due to the orbitals/electrons it needs. </p>
<p>and yes strong acids conduct electricity better than water in aqueous solutions because of the formation of ions.</p>
<p>N2 = triple bond, F2 = single covalent bond, what does imply ? please remind me.</p>
<p>GUYS HOW WAS AP CHEM!!! The mc was super easy but the free response for partial pressure and hydrocarbon was IMPOSSIBLE!! Did anyone get propane ??? Everyonein my class got propane but no one can agree on why they got it … Lol…</p>
<p>was one of the answers on the matching polymers?</p>