Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University
About the Course
Top reviews
SS
May 18, 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.
MR
Aug 9, 2019
An exceptional course to revise previous concepts. many a times strengthened my previously vague concepts. The interviews and especially the practical videos were very enlightening.
276 - 300 of 340 Reviews for Introduction to Chemistry: Reactions and Ratios
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 23, 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 8, 2017
Excellent
By Haider A
•Aug 29, 2016
Very good
By Lingyu Z
•Apr 18, 2020
Helpful!
By jahanzeb a
•Aug 10, 2023
amazing
By neel s
•Jul 18, 2017
Love it
By 佐々木駿
•Jun 17, 2022
Great!
By Pei X L
•Jun 11, 2020
Thanks
By Gyanendra
•Jun 5, 2017
Great!
By سديم
•Dec 9, 2025
رائعه
By Mahima V
•Nov 25, 2025
good
By Therishikaa
•May 13, 2025
good
By ranjitha r
•Jan 7, 2021
Good
By M Z U M
•Sep 27, 2020
Good
By Simonas M
•Sep 26, 2020
good
By Dr. M B
•May 11, 2020
good