Question

Rayleigh’s model of this process assumes that one phase is continually removed from the other with this technique’s “fractional” form. For 10 points each:
[10e] Name this separation technique that involves using a column and condenser to separate substances by boiling point.
ANSWER: distillation [accept fractional distillation; accept word forms like distilling]
[10h] Industrial distillations often incorporate this technique, where overhead vapors are cooled to a liquid and then returned to the main column.
ANSWER: reflux [accept reflux ratio; accept word forms like refluxing a reaction]
[10m] Distillation is used to separate this substance into light, medium, and heavy products, as well as residues like bitumen that are used to make asphalt. Naphtha is most typically produced by distilling this liquid.
ANSWER: crude oil [or petroleum; prompt on oil; reject “petrol”]
<Chemistry>

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Summary

2024 ACF Fall at CornellfallY817.50100%63%13%
2024 ACF Fall at Ohio StatefallY820.0088%88%25%
2024 ACF Fall at WashingtonfallY616.6783%83%0%
2024 ACF Fall at GeorgiafallY1016.00100%60%0%
2024 ACF Fall at North CarolinafallY918.89100%78%11%
2024 ACF Fall at Claremont CollegesfallY518.00100%80%0%
2024 ACF Fall at RutgersfallY720.0086%86%29%
2024 ACF Fall at IllinoisfallY922.22100%89%33%

Data

Cornell ABinghamton A1001020
Binghamton BRIT A1001020
Cornell FRIT B100010
RIT CCornell G100010
Binghamton CPenn State10101030
Cornell ESyracuse100010
Cornell CU of Rochester B1001020
Cornell DESF1001020
Michigan State B CWRU A (UG) 1001020
Michigan B (UG)CWRU C (UG)1001020
Michigan D (UG)Miami A (UG) 1001020
Miami B (UG) Miami C (DII) 1010020
Michigan A (UG) CWRU B (DII) 10101030
Michigan C Michigan State A 001010
Ohio State A (UG) Ohio State C (DII) 1001020
West Virginia A (UG) Ohio State B (DII) 1001020
UBC AAlberta1001020
UBC BUW Lust1001020
UW GreedUW Chastity0000
Boise StateUW Envy1001020
UW GluttonyUW Wrath1001020
UW PrideUW Sloth1001020
Auburn AEmory Oxford1001020
Tennessee AAuburn B1001020
FurmanAuburn C1001020
Tennessee BBelmont100010
Clemson AGeorgia A100010
Georgia Tech CClemson B100010
Georgia Tech EGeorgia Tech A1001020
Alabama ASouthern100010
South Carolina BVanderbilt A1001020
South Carolina AEmory A1001020
UNC BAppalachian State B1001020
VCUDuke A1001020
UNC CJames Madison A1001020
Liberty ALiberty C1001020
NC StateDuke B10101030
UNC AJames Madison B100010
UNC DAppalachian State A1001020
Virginia Tech BLiberty B1001020
VirginiaVirginia Tech A100010
Claremont CClaremont A1001020
UCLA BClaremont B1001020
UCSDUCLA A1001020
UCLA CUCLA E1001020
USCUCLA D100010
Columbia AMaryland B10101030
Columbia BPenn A (DII)1001020
Rowan A (DII)Columbia J (DII)100010
Penn B (DII)Fordham A10101030
Rutgers BMaryland A (DII)1001020
Lehigh A (UG)NYU B001010
Princeton A (UG)Bard A (UG)1001020
WashU BChicago B1001020
Illinois AIndiana1001020
Illinois CNotre Dame B1001020
Iowa APurdue C1001020
Illinois BNorthwestern A1001020
Chicago ANorthwestern B1010020
Purdue BNotre Dame C10101030
Illinois DSIUE1001020
Purdue AWashU A10101030