Wonderful professor: extremely clear in his lecture and helpful in office hour.

*** Selling 20L lab reports and lecture notes (text **********) ***

highest recommendation

Dr. Pang is an excellent lecturer and covers a lot of material in-depth very quickly and efficiently, even in the one lecture that we have every week. The material is relatively simple, and if you're doing well in 20A and 20B, you should have no problems with this class at all. The midterm and final are of reasonable difficulty, and the lab reports for me were graded rather leniently. I only got an A- because I lost points for coming to lab late in the second half of the quarter, but besides that, I feel like an A is completely realistic and manageable. Definitely take 20L with Pang if you have a choice.

If you have a choice between different instructors for Chem 20L, TAKE DR. PANG! He is very straightforward about what he wants in the lab reports and is straightforward about what he wants you to learn based on his lecture slides. The TAs are who you will be interacting with for your lab class, but Pang often comes in to talk to students and the TA during the lab section. The majority of the TAs are super chill and only really dock points on major errors in the lab write ups. The labs were stimulating and the post-labs were sometimes time consuming, but Pang reduced the workload significantly from previous quarters. The real tough and BS part of the class were the exams and the writing assignment. The writing assignment was peer graded so lots of people gave bad peer reviews and lowered a lot of peoples grades. The exams were very very rigorous and required that you know the material presented in lecture and lab from forward to backward. If you are meticulous and can put a lot of work into the class, an A is easy to get. I only got a B for doing bad on the first midterm.

Pang makes it very clear what needs to be done and when, which seriously reduces the stress of a class where 2 or 3 assignments are due each week. Besides the somewhat heavy workload, the class itself is easy to succeed in and the material is in no way complex. He sent out an email saying that roughly 40% of students received an A in the class. I strongly recommend taking Pang.

Mr Pang is an excellent professor. He always hands out the printed lecture slides, and posts practice review problems (and very detailed explanations for the answers) for the midterm and final (which covers nearly 100% of what's gonna be tested) . The exams are straightforward. You get an EZ A just by reviewing the slides, lab reports and practice problems.

The only drawback for this course might be the workload, which seems too heavy for a 3-unit course.

Super easy class. I didn't even go to lecture; I just came at the very end of class to pick up the lecture notes that Mr. Pang puts out at the front. Mr. Pang's lecture slides are pretty helpful but the biggest plus is that all the lab reports' guidelines are online with crystal clear instructions on how to get full score on them. The midterm only accounted for 11% of my grade so I wouldn't worry about it that much. I only got 81% on it and still aced the class.

Even though this lecture is in conjunction with Chem 20B (which I bombed and got a B- in from not studying at all), the material taught is not hard since it is not covered in depth. I did not learn anything from 20B which I took 3 quarters ago, and I still managed to do good enough on my final to net me an A after a day or two of studying.

Overall, this class was very enjoyable and you should take it with this professor if you want an easy time writing lab reports and taking exams. If you actually study in 20B, then you should have a much easier time than me in getting an A.

Johnny Pang is a very straight forward professor. He prints out all of his lecture PowerPoints and gives them to all his students which makes it very convenient to follow through. The midterm was fair however it was only out of 50 points so minor mistakes could cost you the A. They are very picky with significant figures I must say. However, the labs are the majority of your grade (about 60 percent), if you do well on those you're practically guaranteed the A. With that being said I am selling old lab reports for 20L. Email me at *************

Dr. Pang was a wonderful professor, he taught everything that we needed to know (though a background in AP chem is definitely useful). This class was not amazingly easy, but it definitely was not hard. Pang is a nice guy who cares about his students and works to help us succeed, I'm going to be taking him again for 30L in fall quarter because I

Take Pang. Really helpful and organized. Makes your life easier.