<p>^i dont care what the curve is as long as an 800 accomdates 4 or more mistakes because i made two so far and prolly made 2 other stupid mistakes</p>
<p>I thought only metals and acids produced hydrogen gas???</p>
<p>K + H2O –> KOH + H2. The heat from the reaction causes the hydrogen gas to catch on fire. KOH dissociates to K+ and OH-, so OH- and H2 are both answers</p>
<p>same here…</p>
<p>I took the blue book test like yesterday…and I thought they were about the same…this one had a couple more tricky questions though…</p>
<p>Well this is collegeconfidential so I’m sure that a good number of other people had to have trouble with this test.</p>
<p>^true that. it may have just been that I was lucky they asked all the questions i knew about which could still be hard for the avg test taker</p>
<p>btw ionic balance has been confirmed to be 2
the coiffecent of h20 was 1 in the h2s and Hcl question.</p>
<p>I just wanted to clear up that in the question that said as temperature went up which would not be affected:
- kinetic speed
- pressure
- less ideal gas
- energy of gas
- density</p>
<p>I put density because gas in a container does is not affected because you still have the same volume because the gas’ volume is dependent on the container that it is in, and because the container does not expand or contract, the volume doesn’t change. Thus the density remains the same.</p>
<p>It comes down to whether the question said that V is held constant. This is likely because if it didn’t, the question would be way too ambiguous.</p>
<p>Did it say the container was constant?</p>
<p>I am just wondering, did the question say that the volume was fixed? I didn’t think that it was, so I said pressure, but I’ve heard other people say that the question said the volume was held constant.</p>
<p>was it ionic bonds that were brittle?</p>
<p>ya ionic</p>
<p>and density to the other question volume was held constant. I called up a friend who took the test since I was so nervous.</p>
<p>Ionic compounds are very brittle and have high melting and boiling points due to their strong intermolecular forces</p>
<p>yup
brittle, conduct electricity in molten state, can only be ionic compound</p>
<p>can a 75-77 raw score ever be 770-790???</p>
<p>like has it ever happended?? lol</p>
<p>im just really unsure
because a 75 in the 1994 edition collegeboard book would be a 780
while a 77 790. The 2005 edition was much harsher though because it was ridicuolously easy.</p>
<p>Yes it probably could but worrying about the curve doesn’t do much.</p>
<p>From Princeton Review book:
Raw SAT
85-79 800
78 790
77-73 780
72-71 770
70-69 750
68-66 740
65-64 730
63-61 710
There were no 760s or 720s in the scale. This curve seems pretty generous.</p>