Question

The 1966 paper that introduced these compounds touted their use in the Hill reaction, as well as succinate oxidation in bean mitochondria. For 10 points each:
[10m] Name this group of twenty compounds that include Tris and HEPES (“heaps”). Many of these compounds are zwitterionic and are N-substituted derivatives of taurine or glycine.
ANSWER: Good’s buffers [or Good buffers]
[10e] This quantity is between 6 and 8 for most Good’s buffers, making them safer for research. The Henderson–Hasselbalch equation states that pH is equal to this quantity plus the log ratio of two concentrations.
ANSWER: pKa [or the negative logarithm of the acid dissociation constant; or the negative logarithm of Ka, but reject any partial answers that do not include all three parts; reject “Ka” or “acid dissociation constant”]
[10h] The Good’s buffer with the lowest pKa consists of this six-membered heterocycle bound to an ethanesulfonic (“ethane-sulfonic”) acid moiety. Another derivative of this heterocycle is used as a sacrificial catalyst in osmium tetroxide oxidations.
ANSWER: morpholine [accept N-methylmorpholine-N-oxide; accept 2-(N-morpholino)ethanesulfonic acid; prompt on NMO or NMMO; prompt on MES]
<AN/KP, Chemistry>

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Data

TeamOpponentPart 1Part 2Part 3Total
First Cause, First Cause, make me young!AMOGH QUIZ HACK? 英雄联盟 400 PPG 24 TUH0000
LMM's LLM MLMwhen you look this good, you don’t have to know anything1010020
Les MissourablesSAYYID QUTB, DRIVING THE LONGEST CAR YOU’VE EVER SEEN THROUGH TAHRIR SQUARE010010
Lisan al-QuibAre You There, Chat? It's Me, Margaret0000
Lying on a Mattress at Lou’s Apartment in Pilsen, ChicagoRead slowly: A A A A A A A A A A A A A A A Read quickly: A010010
NJTRANSit (and bobby, i guess)Mindgoblin of Little Hobbes010010
Punished "Venom" BHSUvar merchants1010020
The Empire Bikes BackA Nervy Liberal Nanny Hence010010
There are buzzable clues everywhere for those with eyes to seeBHSU B1010020
We Need New NamesgenAI this, genAI that, have you found your 真爱 yet010010
it's the great pumpkinification objection, charlie brownNJTRANSit (and anwen, I guess)010010
sticking out your guyot for the ridge push; you're so seafloor spread, you're so fracture zoneThe Dyatlov Passement incident1010020

Summary

TournamentEditionExact Match?HeardPPBEasy %Medium %Hard %
2024 Chicago Open07/28/2024Y1211.6783%33%0%