Pros:

- Very reasonable tests. What appears on his tests is definitely not harder than sample problems in lectures and practice exams (which are straightforward already).
- Most of the stuff in his class is really easy if you took AP chem in high school or CHEM 20B before taking this class.
- Only one midterm which is worth only 12.5%
- Pre labs and post labs are worth a lot of your grade (around 20% and 30% respectively) so as long as you spend enough time on those you will be fine in the class.
- Exams aren't open book but you do get to use cheatsheets you created

Cons:

- He doesn't explain things clearly in his lectures so you have to rely on asking TA's if you have questions
- He is unclear abt what he's looking for in your pre and post lab assignments. We were pretty much asking the TA's constantly abt what the prof was looking for in the assignments and sometimes each TA has a different answer.

Suggestions:
- Do not expect to have a good grade without self-studying. The prof is, again, not a good lecturer. But as long as you understand every concept you will have an A in the class.
- Make sure to spend extra time checking your pre and post lab answers they are graded pretty strictly and are worth a lot of your grade.
- When the prof says "listen up guys i want you guys to focus" or "this might be on the midterm/final" during a lecture then whatever he says next is HIGHLY likely to be on the upcoming test.
- Make sure to do his practice tests because they are extremely similar to what appears on his exams.

I don't know why people are hating on Henary. His class was pretty straightforward, he was pretty eager to help in his office hours as well but no one showed up most of the time. It will probably be 10 times harder in person tho not gonna lie

Professor Henary's lectures are not very engaging and are often confusing. Sometimes he will explain a simple concept but will make it seem complicated. However, Henary lectures slides so if you know what's on the slides you'll be fine.
The TA's in the class all grade differently which can be frustrating when you are trying to solve questions for the lab reports. I luckily got a more lenient TA but I know there were TA's that were more strict. The prelabs are usually pretty easy and can be finished quickly but the post labs definitely take some time so don't procrastinate on them. The post labs take long sometimes not because of solving the problems but because you have to figure out what is expected of you.
There is only one midterm and Henary does not tell you what you did wrong. You have to directly ask your TA where you missed points. If your test was graded incorrectly you would never know. The midterm and the final are reasonable and grades balance out if you get good grades on the lab reports.
Overall, this class with Henary is okay. There are definitely some complaints but it is very doable and not too difficult. You can definitely learn to work around the issues in this class.

20L is quite basic: titrations, acid-base, spectrophotometry, distillation/gas chromatography, stoicheometric analysis. Not very difficult, easy to find information online. Make sure to ask your TA about everything and anything since they are the ones ultimately grading your lab reports.

Maher is boring and hard to understand. However, he has handouts in the front of the class every lecture which are important and helpful.
Exams were OK, with a few bizarre/difficult questions.

His accent is VERY difficult to understand. He reads the notes for his entire lecture so just grab them and read them on your own time. Office hours are helpful and Maher makes sure you understand the concepts of the prelabs/postlabs. The lab itself was very enjoyable and you will be able to finish early most days. The final is fair and you're allowed a cheat sheet which makes it super easy. Attend the review session before the final as Maher goes over crucial information, and the final basically decides your overall grade.

Legit could not understand a word this guy said the whole entire time. I recommend coming to lecture, grabbing the notes and ditching. If you had AP Chem experience and you did well in Chem 20B you’ll be fine. The final is a little harder than I was expecting though - so you do need to study for that.

To be honest, the experiments covered in this lab is pretty simple, and you might see some of them back in high school. So overall speaking, the course is pretty easy. However, you're required to complete 2 lab reports every week (1 pre-lab and 1 post-lab) and I wrote around 500 words each, which is a pretty heavy workload to me. More than 50% of the final grade is on lab reports, so remember to finish them on time. Henary gave reasonable tests, so this course should be an easy A for all of you.

Class material is generally very easy and workload is light (considerably lighter than others in chem, but this is my online experience). Online labs are kind of a joke but are very easy to pass though. There is only one MT so is either good or bad depending on who you ask, but I kind of crashed the MT but still got out fine. Very helpful prof

This class was a tutorial on how not to use power points. Lectures felt ruined. Thankfully the labs and exams were easy, probably due to covid.

Professor Henary was not the most engaging. He tried his best to simply concepts, but this only caused more confusion and he would instead make the lecture seem more complicated than it really was. Labs were vague and a bit confusing, but I had a good TA and he was not so picky on small details. Overall, not the best professor I've had, but manageable.