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Packet 3: Bonus 14

The time residence distribution characterizes these devices, which is a delta function in the “plug-flow” type of them. For 10 points each,
[10h] Name these devices. The presence of “dead zones” of stagnant fluid flow in these devices drastically reduces efficiency.
ANSWER: chemical reactors [accept Plug-flow Reactor; do NOT accept nuclear reactor]
[10e] The residence time distribution is a delta function in a PFR as this process doesn’t occur axially. In the lab, this process is commonly done with a rotating magnetic bar to homogenize a solution.
ANSWER: mixing [accept stirring]
[10m] For a CSTR, the time distribution function is proportional to this function of minus t over tau. In the Arrhenius equation’s common form, this operation is applied to minus E-sub-a over R T.
ANSWER: exponential function [accept e to the x or e to the minus x]
<Science - Chemistry, Rohan Ganeshan> | VAULT II Packet 03

HeardPPBE %M %H %
4312.3372%40%12%

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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
Birmingham BSouthperial010010E
OxfordBath0101020EM
SouthamptonBirmingham A1010020HE
WarperialCambridge010010E

Summary

TournamentEditionMatchHeardPPBE %M %H %
VAULT II at Georgia Tech2026-01-24✓613.3367%50%17%
Triangle Cup2026-03-13✓220.00100%100%0%
VAULT II at Eden Prairie HS2026-03-13✓310.0067%33%0%
VAULT II at McGill2026-03-13✓45.0025%25%0%
VAULT II at UCSB2026-03-13✓516.0080%80%0%
VAULT II Northern UK2026-04-24✓316.67100%33%33%
VAULT II Southern UK2026-04-24✓415.00100%25%25%
VAULT II at Harvard2026-04-30✓45.0050%0%0%
VAULT II at MINT2026-06-19✓45.0050%0%0%
VAULT II Stanford Online2026-07-17✓816.2588%50%25%