[Prep Lab Students] Spring 2025- Week 12

[Weaver, Tyler]

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Hi there!

Week 12 starts tomorrow:

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Experiment Notes-Refer to the window notes and gather sheets for additional details.

Please see the week 11 email<https://lists.osu.edu/pipermail/preplabstudents/2025-March/000260.html> for notes on CAR, QUL, and WST.

ECE
Students will be using 6-sided dice for the first part of this experiment. If they need more, there should be a supply in the window. Ice will also be needed; if you notice students wearing gloves on both hands, please nicely ask them to remove one glove. No additional commentary is needed. Please be polite- they’re still learning.

MGB
Model kits will be provided on the bench beside Hood A. Sarah and Emma have replacement parts in both windows if needed.

VOL
This one has A LOT of equipment and solutions. Students will be using the multimeter kits which are on the bench beside Hood A. If they report that one is not working properly, please just swap the whole kit for one of the replacements in the window. Emma has made a guide on what to do with these. Please read it.

The provided electrode kit is to be used for both Parts A and B. One magnetic stir bar is provided in the kit to help distinguish between iron and zinc electrodes. The students will be sanding the oxidation layer off the electrodes with emery paper/cloth. This should be done on the provided cover stock; the cover stock should be placed on the provided black plastic tray. The whole sanding procedure should be done under a snorkel. Each room has been provided with 7 trays since they only have 7 snorkels. Students should not be sanding directly on the lab bench. Doing this makes me sad :(

There’s a ton of waste for this experiment. Liquids should be discarded in the chemical waste beakers (white can). Contaminated paper, including spent emery paper, should go in the blue bucket. Spent electrodes should be collected in the canister in the window. Spent porous cups and Pasteur pipets should be discarded in the orange bucket.

TM1
This one is essentially a long synthesis. A bin containing forty eight 50-mL Erlenmeyer flasks has been provided on the bench beside Hood A. This is all of the 50-mL flasks we have, so if anyone asks for more please direct them back to their room. There are two solutions being kept in the large fume hoods. The TAs will be putting a small amount of these into beakers with lids. If for some reason a new or additional beaker or lid is needed, they are in a small box in the window.
Full disclosure: this a brand new experiment. There will be some hiccups, but this is normal. Everyone should remain communicative, and we’ll address issues as they come up.

Other Important Information

Keyth 2.0 Reminders
You’ll need your BuckID to open new Keyth. Please also remember that when returning the key, you must rotate it into the locked vertical position.

Attendance Notes
I’ve restructured the attendance notes section of the daily sheet to clarify notation. Covers should be listed as “absent person (cover person)”. If you arrive late, please write your name in this section followed by the time you arrived. If you are leaving early without a cover, you would write “name (XX:XX)” where the XX:XX is the time you are leaving. If you do have a cover for leaving early, this would be listed as a cover.

Science Olympiad- Volunteers Needed
We need volunteers for the Ohio Science Olympiad State Tournament<https://ohso.osu.edu/tournaments/state> that will be held on Saturday, April 26th. Chemistry and Biochemistry will host 4 events on the second floor of Celeste.

If you decide to volunteer, you will help us with proctoring, grading, swapping out lab materials between sessions, and quick clean up at the end of the event.

For your participation, you will receive a free T-shirt, a boxed lunch (usually a sandwich, chips, and a cookie), and get to spend part of a Saturday with Tyler, Dr. Sarah, Emma, Dr. Fontes, Dr. Opoku, Dr. Jackman and others in Celeste! If you are interested in joining us, please complete the Science Olympiad Volunteer Form<https://docs.google.com/forms/d/e/1FAIpQLSfAhGiSvxrWOMBPi0ConrgwfvWM4MwIxQtjyGl_pO8xeUcCsg/viewform> no later than April 4th.

Summer and Fall Plans
We’ve posted a roster on the Daily Sheet Board. Please review the information present and fill in anything that is missing.

Please let us know if you have any questions!

Best,
Tyler

[The Ohio State University]

Tyler Weaver
Instructional Lab Supervisor
General Chemistry Prep Lab Manager

The Ohio State University
Department of Chemistry and Biochemistry
280E Celeste Lab
120 W. 18th Ave., Columbus, OH 43210
(614) 688-3929 Office
weaver.646 at osu.edu<mailto:weaver.646 at osu.edu>

Pronouns: he/him/his

Please do not feel obliged to read or reply to my messages outside of your normal working hours.
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