distillation - 2024 ACF Fall

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”]

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Summary


2024 ACF Fall at Cornell	fall	Y	8	17.50	100%	63%	13%
2024 ACF Fall at Ohio State	fall	Y	8	20.00	88%	88%	25%
2024 ACF Fall at Washington	fall	Y	6	16.67	83%	83%	0%
2024 ACF Fall at Georgia	fall	Y	10	16.00	100%	60%	0%
2024 ACF Fall at North Carolina	fall	Y	9	18.89	100%	78%	11%
2024 ACF Fall at Claremont Colleges	fall	Y	5	18.00	100%	80%	0%
2024 ACF Fall at Rutgers	fall	Y	7	20.00	86%	86%	29%
2024 ACF Fall at Illinois	fall	Y	9	22.22	100%	89%	33%

Data


Cornell A	Binghamton A	10	0	10	20
Michigan State B	CWRU A (UG)	10	0	10	20
Michigan B (UG)	CWRU C (UG)	10	0	10	20
UNC B	Appalachian State B	10	0	10	20
VCU	Duke A	10	0	10	20
UNC C	James Madison A	10	0	10	20
Liberty A	Liberty C	10	0	10	20
NC State	Duke B	10	10	10	30
Rowan A (DII)	Columbia J (DII)	10	0	0	10
Penn B (DII)	Fordham A	10	10	10	30
Binghamton B	RIT A	10	0	10	20
Cornell D	ESF	10	0	10	20
Cornell F	RIT B	10	0	0	10
RIT C	Cornell G	10	0	0	10
Binghamton C	Penn State	10	10	10	30
Cornell E	Syracuse	10	0	0	10
Cornell C	U of Rochester B	10	0	10	20
Michigan D (UG)	Miami A (UG)	10	0	10	20
Miami B (UG)	Miami C (DII)	10	10	0	20
Michigan A (UG)	CWRU B (DII)	10	10	10	30
Michigan C	Michigan State A	0	0	10	10
Ohio State A (UG)	Ohio State C (DII)	10	0	10	20
West Virginia A (UG)	Ohio State B (DII)	10	0	10	20
Auburn A	Emory Oxford	10	0	10	20
Tennessee A	Auburn B	10	0	10	20
Furman	Auburn C	10	0	10	20
Tennessee B	Belmont	10	0	0	10
Clemson A	Georgia A	10	0	0	10
Georgia Tech C	Clemson B	10	0	0	10
Georgia Tech E	Georgia Tech A	10	0	10	20
Alabama A	Southern	10	0	0	10
South Carolina B	Vanderbilt A	10	0	10	20
South Carolina A	Emory A	10	0	10	20
Columbia A	Maryland B	10	10	10	30
Columbia B	Penn A (DII)	10	0	10	20
Rutgers B	Maryland A (DII)	10	0	10	20
Lehigh A (UG)	NYU B	0	0	10	10
Princeton A (UG)	Bard A (UG)	10	0	10	20
UBC A	Alberta	10	0	10	20
UBC B	UW Lust	10	0	10	20
UW Greed	UW Chastity	0	0	0	0
Boise State	UW Envy	10	0	10	20
UW Gluttony	UW Wrath	10	0	10	20
UW Pride	UW Sloth	10	0	10	20
UNC A	James Madison B	10	0	0	10
UNC D	Appalachian State A	10	0	10	20
Virginia Tech B	Liberty B	10	0	10	20
Virginia	Virginia Tech A	10	0	0	10
Claremont C	Claremont A	10	0	10	20
UCLA B	Claremont B	10	0	10	20
UCSD	UCLA A	10	0	10	20
UCLA C	UCLA E	10	0	10	20
USC	UCLA D	10	0	0	10
WashU B	Chicago B	10	0	10	20
Illinois A	Indiana	10	0	10	20
Illinois C	Notre Dame B	10	0	10	20
Iowa A	Purdue C	10	0	10	20
Illinois B	Northwestern A	10	0	10	20
Chicago A	Northwestern B	10	10	0	20
Purdue B	Notre Dame C	10	10	10	30
Illinois D	SIUE	10	0	10	20
Purdue A	WashU A	10	10	10	30