Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University
About the Course
Top reviews
AP
Sep 14, 2023
Got a far better understanding of basic chemistry almost 20 years after finishing high school. Many thanks to Prof. Dorian Canelas and to Duke University for creating this course.
SS
May 17, 2020
Enriched with knowledge .Thank you so much Prof Dorian. I have watched the again and again that you become so familiar . You are one of my favorite mentors . Your work is priceless.
226 - 250 of 343 Reviews for Introduction to Chemistry: Reactions and Ratios
By Yousef A
•Jun 20, 2020
a very fruitful course of chemistry.
By Abay P A
•Oct 10, 2024
Good and very nice and work it easy
By Natalia F
•Nov 14, 2023
Great and useful course, thank you!
By Sherry H
•Mar 24, 2019
Very informative and great teacher!
By Alfonso O
•Apr 20, 2017
Great class! Absolutely enjoyable!!
By Marionel E
•Sep 23, 2020
A good course, easy to understand.
By Yoe
•Apr 18, 2017
nice chemical course for beginners
By Bryan S
•Jul 17, 2021
Alot of work but this was great!
By Fernando D G
•May 5, 2020
Great Teacher, Explains excellent
By SeonMi J
•May 21, 2020
I enjoyed this course very much.
By zoha a
•Jul 9, 2021
This course was greatly helpful
By Luz A A V
•Feb 6, 2021
Muy buen curso. Bien explicado.
By Farsana. O P
•Jun 14, 2020
Nice presentation. Very helpful
By Rodrigo N
•Jun 27, 2025
Great professor, learned a lot
By HanMin Z
•Oct 24, 2021
A basic course but beneficial.
By Eduardo A C
•Dec 28, 2017
AMAZING! I HAVE LEARNED A LOT!
By Muhammad N A
•Apr 6, 2025
this course is really awesome
By A D
•May 28, 2020
really cleared up the basics!
By Haris Č
•May 6, 2025
Amazing introductory course!
By Nyein C
•Oct 7, 2021
good course and thank sayars
By Johanna H
•Jan 28, 2017
I only wish there was more.
By Bassel A H
•Jan 9, 2021
Great course and teacher !
By Francisco J
•Jan 22, 2019
muy bueno y bien explicado
By Sarah J
•Jan 2, 2017
Very clear and accessible!
By yumna n
•Jun 2, 2020
Excellent demonstration👍