[Prep Lab Students] Spring 2025- Week 13

[Weaver, Tyler]

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Howdy!

Lucky week 13 starts tomorrow. Schedule is below:

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

Please see week 12 email<https://lists.osu.edu/pipermail/preplabstudents/2025-March/000262.html> for notes on ECE and VOL.

AAP
There are a ton of white solids used in this one. Many of them come with a scoop. We will have extras in the window just in case they are needed. Additional pH paper is in the window.

GAS
Each TA will pick up a large bag containing Alka-Seltzer, antacids, and small empty bags. It’s ok for students to ask for an additional package of Alka-Seltzer at the window for Part C. Extra tubing and tubs for the gas collection apparatus will be available in the window. The barometers in each room are near the thermostat (on the same wall as hood B). There are extra ring stands in each room between the ADA sink and Hood A.

BLP
There are three unknowns per TA: one green liquid in falcon tubes, packaged solids in a black bag, and packaged solids in a clear colorless bag. We have packed all of these into white “chicken” boxes. TAs just need a single box. They don’t have to return the emptied box- if they do, just make a stack of collapsed boxes. You’ll also be passing out printed copies of the BLP lab manual pages.

LCP
Students will be using ice toward the end of lab. We do not provide scoops for ice, instead students should use an empty beaker from their drawer. Students will not be provided with salt for their ice baths. Keep a close eye on the 25-mL test tubes. If they need refilled, more are available behind the marker boards.

TM2
This is another brand-new experiment. Students will be analyzing their products from TM1. There are two materials packaged in smaller quantities: 3% silver nitrate and hexaaminecobalt (III) chloride. The entire days’ worth of these materials will be in the lab room. The silver nitrate is in small brown bottles, the bottles are in a black plastic bin. Anything left in a bottle issued to a group should be discarded as chemical waste, the bottle then disposed of in the orange bucket. The hexaaminecobalt (III) chloride is in small plastic tubes. Anything left in a tube that was issued to a group should be discarded as chemical waste, the bottle then disposed of in the blue bucket.

Other Important Information

Science Olympiad- Volunteers Still 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!

-Sent from my basement.

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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