June 2008 - Chemistry

Test Preparation SAT Subject Test Preparation
201

<p>I was pretty sure the lienar, symmetrial, non polar was TT but not CE, because not all linear are nonpolar (HF, for instance)</p>

<p>It was 0.5moles...i'm sorry i forgot how i got that.</p>

<p>anyone remember the coefficients for balancing questions?
i think i put the answer '1' for the BaSO4 or whathever that was (relatively long) balancing question.
are you guys sure about the total energy being KE + PE? btws, I put TT, but NOT TTCE for that, because yes increasing temperature does increase speed and total energy (i think) equals KE + PE, but it's not directly a 'because relationship...
Does anyone have a definite answer to the filter paper question? Was it only III (precipitate)?
Also, the weak electrolytes question. It was CCl4 yea?
Decomposition question was the one where H2O2 separated into two other compounds?
Also, the was it He for the 22.4L question that required 1mole of atoms?</p>

202

<p>So...the answer was 0.5 mole, yea? wis3ly?</p>

203

<p>Also, the weak electrolytes question. It was CCl4 yea?</p>

<p>Can you further explain it?</p>

204

<p>Was the question which one doesn't conduct electricity? If so, CCl4 does not dissociate into ions nor does it have any free-moving electrons, so it cannot conduct electricity.</p>

205

<p>Yes, it was CCl4, im pretty sure.
It's my first time taking SAT II Chem here and i have'nt dont much practice tests...was the test considered to be hard/medium/easy? I thought was it was pretty hard.</p>

206

<p>Yeah, so strong electrolytes must be strong acids/bases, soluble ionic bonds, or polar covalent bonds</p>

207

<p>@ Student, Yes. 0.5</p>

208

<p>are you guys sure about the total energy being KE + PE? btws, I put TT, but NOT TTCE for that, because yes increasing temperature does increase speed and total energy (i think) equals KE + PE, but it's not directly a 'because relationship...</p>

209

<p>im not sure</p>

210

<p>awww...:( the curve better be pretty nice.
i think i got a few wrong. what's the usual cut off or a 800?</p>

211

<p>The lowest electronic config. for Mg 2+ was 1s2 2s2 2p6, right? It had a noble has config. becuz of the 2+</p>

212

<p>do you guys remember the metal M3N question. WHat exactly was it?
Also what did you guys get for the three matching questions with the graphs?</p>

213

<p>^indeed (Mg plus 2)</p>

214

<p>two of the graphs were linear and one was an upwards curve, i think</p>

215

<p>the first graph was linear v vs t
the 2nd was was pressure vs volume sit i was a a curve goin down
the 3rd was water freezing so it had 1 plateau where the temp was staying constant</p>

216

<p>one was a linear, the other was a line one with several breaks (Phase Change,) and the last one was a downwards curve.</p>

<p>Edit: Nvm. Just read the above post.</p>

217

<p>*****, another wrong</p>

218

<p>Ugh, totally missed the 2+ with the Mg.</p>

<p>The diatomic-polar thing was definitely TT, not CE because I remember part i of that question reading "A diatomic molecule in the pattern of X2".</p>

<p>I also got two Pb, I think the first and the last, for the classification.</p>

219

<p>Also, for two of the balancing ones, I got E both times: One was 5 and one was 8. Anyone else remember that?</p>

220

<p>i got 1 as the coefficient for both the BaSO4 and P4O10 and 9 for the last one.</p>