Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University
About the Course
Top reviews
NM
Sep 13, 2025
Excellent course!!! I enjoyed the historical background the lecturer used including the brief synopsis of the Chinese emperor consuming mercury pills to gain immortality.
NH
Jun 12, 2020
It is a wonderful course for Middle school students. A first course in Chemistry, for the gifted students who will do AP Chemistry. Not suitable for adult learners who need an advanced introduction.
176 - 200 of 336 Reviews for Introduction to Chemistry: Reactions and Ratios
By Crystal R
•Jan 21, 2021
I wont lie, it was not easy! However, I learned a lot. Thank you
By sangeeta k
•Dec 2, 2022
Excellent content. Simple language and good number of examples.
By Sandi G
•Mar 17, 2021
Prof Colenas explainsteh concepts really well. And she's funny!
By Abhishek P
•Jun 22, 2020
Excellent Course. It rewinds me all my middle school chemistry.
By Giulia A T
•Feb 19, 2025
Really great course, i really enjoyed it and highly recommend!
By Adjei S J
•Dec 3, 2020
The course was interesting and the facilitator was very good.
By Alon B
•Dec 18, 2021
Thank you for the great course, Prof. Canelas is exceptional!
By Wang Z
•Dec 23, 2018
Very thorough introduction. Hope it could be more challenging
By Kitty C
•Sep 18, 2017
very good for revision of topics and principles of chemistry
By Fanny M
•Apr 19, 2020
very clear instruction. I was able to keep up and had fun.
By Mohsen C
•Jan 3, 2023
The course is great to review chemistry, GREAT teacher :)
By Manish T
•Jul 29, 2020
It was really knowledge enhancing and interesting course.
By Davis M
•Jul 26, 2020
Awesome course and instructor! I was able to learn a lot.
By Lukas K
•Dec 17, 2017
I learnd many things in this cours and it was as well fun
By Ellie
•Jan 20, 2022
Great course, highly recommend for chemistry beginners!
By Lindiwe K
•May 18, 2020
It was soo educative I enjoyed every lesson.
THANK YOU.
By Anastasia S
•Jul 18, 2021
I think it's one of the best classes out here so far!
By Carl J
•Apr 20, 2021
Solid course. Easy to understand and great refresher!
By prakash v
•Nov 17, 2020
really excellent course by dr. Dorian! well explained
By Prashant K M
•Apr 11, 2018
It was a very interesting course. I enjoyed it a lot!
By Jose C G
•Dec 27, 2017
Muy bueno para aprender la introducción a la química.
By Alicia G
•Aug 5, 2021
super duper .............. chemistry lecture .......
By Omkar P
•Oct 3, 2020
very understandable contents and excellent teaching
By Excerption E
•Aug 1, 2020
Amazing Professor. She explains everything so good!