Question

Freeze-pump-thaw cycles can be used to perform this process for small volumes. For 10 points each:
[10h] Name or describe this general process, which is performed using bubbles of a chemically inert substance, such as helium, in sparging.
ANSWER: degassing a solution [accept answers describing the removal of gas or oxygen or air from a solution ]
[10e] The “pump” step of a freeze-pump-thaw cycle involves this condition, which is used along with a Büchner funnel in a filtration technique. The “ultra-high” regime of this condition is defined as a pressure below 100 nanopascals.
ANSWER: vacuum [accept ultra-high vacuum]
[10m] A series of ports with specialized stopcocks are connected to a vacuum pump and a source of inert gas in these systems for manipulating air-sensitive compounds. They're named for a German chemist.
ANSWER: Schlenk lines [accept vacuum gas manifolds]
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Summary

2023 BHSU @ Berkeley03/18/2023Y313.33100%33%0%
2023 BHSU @ Maryland03/11/2023Y320.0067%67%67%
2023 BHSU @ Northwestern02/25/2023Y621.67100%67%50%
2023 BHSU Online04/15/2023Y415.0075%50%25%
2023 BHSU @ Sheffield04/15/2023Y215.00100%50%0%
2023 BHSU @ Waterloo04/15/2023Y310.00100%0%0%
2023 BHSU @ Yale04/08/2023Y316.67100%33%33%

Data

Berkeley B[Insert Lawyer Joke Here]010010
Berkeley AIt's Joever010010
Stanford AStanford B0101020
Glass Onyen: A Knives Out MysteryFan-tastic Negs and Where to Find Them10101030
Maryland ARutgers Diaspora0000
The Perfection of Wisdom in 8,000 NegsMaryland B+10101030
NorthwesternPurdue10101030
Chicago AWUSTL10101030
Chicago BMaryland B-0101020
Amartya Senpai Notice MeEpic Games10101030
Illinois A+Michigan010010
Mojo ShojoOSU010010
Hutto HipposRollin in from Sturgis, The Cheyne Gang0101020
Hutto HipposRollin in from Sturgis, The Cheyne Gang0101020
Hutto HipposCornell C++0101020
Hutto HipposCornell C++0101020
Broken Imperial NomadsOxford Hornets0101020
Magisters LudiBuzzers Karamazov010010
The Enrique Trastamara Military Academy BCornell B-010010
Rollin in from Sturgis, The Cheyne GangWhat is BH! And you are asking me? BHSU1010020
The Passion According to C.H.Cameron et al.010010
The Vulture's Guide to BuzzNeg 5! Playing Quizbowl, Liddy Style010010
Milan et al.Parth et al.010010
Hutto HipposRollin in from Sturgis, The Cheyne Gang001010
Hutto HipposRollin in from Sturgis, The Cheyne Gang001010
meet the new weird, same as the old weirdColumbia B1010020
UG Championship Players (and Mazin)nats is supposed to mean you all have gone soft0101020
Olmo (Bonus) BagelryWatching Arthur Delot-Vilain at Chicago Open Made Me Like French People Again010010
Hutto HipposCornell C++001010
Hutto HipposCornell C++001010