<p>duh...how could a polar molecule not form solution with water?!</p>
<p>Yeah... didn't think about that on the test. Well, I guess I missed one and omitted one... looking good though.</p>
<p>nice nice..hope you did well
so which one did yoiu omit?</p>
<p>
</p>
<p>Yeah, because CH4 is a gas at room temperature.</p>
<p>o yay....the test looks fairly easy, but i am very afraid of making casual mistakes, like i always do on SATI math part</p>
<p>I omitted the question about using water displacement (heard of it before but didn't want to risk it). Choices were NH3, H2, and O2.</p>
<p>But I think I got every other question mentioned in this thread.</p>
<p>You can't collect NH3, it'd dissolve! (1 mL of water dissolves 1183 mL of ammonia...) O2 and H2 are fine. In fact, that's how you collect the gasses coming from electrolysis.</p>
<p>that one...hmm...i picked both hydrogen and oxygen</p>
<p>hey what books did you guys use? :)</p>
<p>
None. This test was unbelievably easy. It's really no wonder that the US is ranked behind several third-world nations in math and science education.</p>
<p>everything would be fine if you take chem AP and concentrate during the class (at least thats what i did, without any prep books)</p>
<p>Yeah, that's what I was thinking, but I was feeling really rushed (moving sort of slowly, I guess).</p>
<p>was sucrose one of the answer? and CO2 is linear and nonpolar right?</p>
<p>anonymous....but how do you explain the fact that most Nobel Laureate come from US</p>
<p>yay...BOTH ARE RIGHTOOOOO!!</p>
<p>Sucrose was the nonodorous one</p>
<p>
</p>
<p>One of the answers for what? What were the options? (That was near the beginning of the test and I can't remember what it asked :()</p>
<p>so what the heck is the answer to the water displacement question? was it only H2 and O2?</p>
<p>yeah what was the answer to that? I took a stab in the dark.</p>
<p>H2 and CO2</p>
<p>I dont remember anything about entropy regarding burning alcohol...maybe i completely missed something?</p>