Question

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Answer the following about the year 1957 in analytical chemistry, for 10 points each.
[10h] The flame ionization detector overshadowed this scientist’s 1957 electron capture detector, which made the first observation of atmospheric CFCs. In 1955, this scientist used an early tabletop microwave to thaw rats.
ANSWER: James Lovelock [or James Ephraim Lovelock]
[10e] The newly-minted van Deemter (“DAYM-ter”) equation described how packing a column affects the ability of this process to proceed turbulently via eddies. This process’s namesake coefficient relates flux to the concentration gradient.
ANSWER: diffusion [or word forms of diffuses or diffusing; accept diffusion coefficient; accept eddy diffusion]
[10m] In gas chromatography, Marcel Golay provided an alternative means of finding the height equivalent to these entities. These entities quantify the efficiency of a separation process and correspond to real objects in distillation.
ANSWER: theoretical plates [or theoretical trays; accept height equivalent to a theoretical plate; accept equilibrium stage; prompt on plates or trays or HETP]
<Chemistry>

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Summary

2024 ACF Nationals2024-04-21Y2114.7681%57%10%

Data

Berkeley AToronto A0101020
Yale ABrown010010
Cornell BChicago C010010
HarvardChicago D1010020
Claremont CollegesFlorida010010
Cornell AIndiana0101020
IllinoisIowa State0101020
KentuckyMcGill0101020
MarylandGeorgia Tech001010
Johns HopkinsMichigan0101020
Minnesota AChicago A10101030
NYUNorthwestern0000
Columbia ANorth Carolina A0101020
North Carolina BBerkeley B0101020
DukePenn010010
TexasPurdue0101020
Chicago BStanford010010
RutgersToronto B001010
Truman StateSouth Carolina010010
Columbia BVirginia010010
WUSTL AWaterloo001010