I took two O-chem lecture and 1 lab in a 10 week 8 AM to 5 PM M-F lecture, T-Th 6 PM to 10 PM lab during the Summer of 1975. Earned an A in all classes. It was challenging, but worthwhile to do it that way. The P Chem needed the diff EQ to comprehend the material and perform on the exams. Digital logic and microprocessors were straight forward. I taught the microprocessor course at my local college for 3 1/2 years. When I purchased a house 30 miles from the college campus to be closer to the data center where I worked doing software engineering, I stopped teaching. Too much traffic. The Molecular Biology degree was intended a prelude to med school. I decided that I preferred EE/CS as a career with less educational costs. Zero regrets.
Weeder courses are a necessary part of colleges. Some people are academically capable of continuing, many are not. It's better to sort it out early. While pursuing my master's in pathogenic microbiology, I managed to catch a case of flu that progressed to bacterial double pneumonia. It trashed my 2nd semester of grad school. While recovering from the pneumonia, I studied and acquired a 2nd class radiotelephone license, added a ship's RADAR endorsement then upgraded to 1st class radiotelephone. For fun, I acquired a Tech class ham license, upgraded to Advanced, then Extra. Life in the EE/CS realm is more pleasant than a smelly lab.
Cool, and an interesting path. I switched from ChemE to EE when I started reading about Nikola Tesla.
I found it so weird that he was never discussed while growing up.
P.S. Edison was a dick.