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.
276 - 300 of 343 Reviews for Introduction to Chemistry: Reactions and Ratios
By Shahid I
•Jul 24, 2020
Good course
By Ednita Z
•Jul 11, 2022
EXCELENTE
By 유현준
•Sep 13, 2021
good study
By Jackson L i
•Jul 1, 2021
good funny
By Nicola B
•Feb 10, 2025
Excellent
By Mohammed A N
•Oct 21, 2024
excellent
By viet n q
•Dec 16, 2022
Excellent
By Javier A A M
•Oct 22, 2020
Very good
By Joshua S G
•Aug 1, 2020
Amazing!!
By PRIYA P
•Jun 5, 2020
Wonderful
By PARTH P
•Jun 5, 2020
Excellent
By PRIYA P
•Jun 5, 2020
EXCELLENT
By PARTH P
•Jun 5, 2020
Excellent
By Islam M E S
•Feb 7, 2017
Excellent
By Haider A
•Aug 28, 2016
Very good
By Lingyu Z
•Apr 17, 2020
Helpful!
By jahanzeb a
•Aug 9, 2023
amazing
By neel s
•Jul 17, 2017
Love it
By 佐々木駿
•Jun 16, 2022
Great!
By Pei X L
•Jun 11, 2020
Thanks
By Gyanendra
•Jun 4, 2017
Great!
By سديم
•Dec 8, 2025
رائعه
By Mahima V
•Nov 24, 2025
good
By Therishikaa
•May 13, 2025
good
By ranjitha r
•Jan 7, 2021
Good