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Answer the following about Baldwin’s rules, for 10 points each.
[10e] Baldwin’s rules govern the relative stabilities of organic reactions that form these structures. Five-membered examples of these structures are formed faster than six-membered examples, such as benzene.
ANSWER: rings [accept cyclic or cycles]
[10h] Baldwin’s rules state that these two types of ring closing reactions are favorable for all ring sizes from 3 to 7. Name either. Your answer should be a sequence of two prefixes used in the nomenclature of Baldwin’s rules.
ANSWER: exo-tet OR exo-trig [reject partial answers]
[10m] A counterexample to Baldwin’s rules is the 5-endo-trig formation of a cyclic one of these functional groups. A carbon atom is bonded to the oxygens of two ethers in these groups, unlike related “hemi” groups with one -OR (“O-R”) and one -OH (“O-H”).
ANSWER: acetals [accept ketals; reject “hemiacetals” or “hemiketals”]
<Chemistry>
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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
Arizona StateToronto A10101030EHM
Chicago AColumbia A1001020EM
Chicago BToronto C1001020EM
Illinois BIowa State100010E
IndianaMIT1001020EM
Johns HopkinsStanford100010E
MarylandLSE100010E
MichiganToronto B1001020EM
MinnesotaWinona State100010E
NYUIllinois A100010E
NorthwesternGeorgia State10101030EHM
Ohio StateVirginia Tech1001020EM
OttawaHarvard100010E
Penn StateVirginia100010E
RutgersRIT1001020EM
TexasGeorgia Tech100010E
UC Berkeley ANorth Carolina B100010E
UC Berkeley BUCF100010E
VanderbiltWaterloo A100010E
WUSTL AFlorida1001020EM
WUSTL BBritish Columbia100010E
Waterloo BColumbia B100010E

Summary

TournamentExact Match?HeardPPBEasy %Medium %Hard %
2025 ACF NationalsYes2215.00100%41%9%