Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University
About the Course
Top reviews
M
Sep 5, 2023
The teaching method of Dr. Dorian canelas was very simple and impressive. I have learnt a lot and much enjoyed during the lecture and Practical demonstration. I recommend it to all chemistry learner.
RG
Aug 20, 2020
Thank you Professor Dorian A. Canelas! It made me much more easier to understand the basic principles of chemistry and it builds me a lot of confidence in answering some of the problems in chemistry.
126 - 150 of 331 Reviews for Introduction to Chemistry: Reactions and Ratios
By Sakshi T
•Sep 23, 2020
Thank you so much for this amazing course and thank you to professor because of her I was able to complete my course
By Kyle S
•May 6, 2020
I learned a lot from this course that I haven't understood at all when it was taught at our school. I like it.
By Extreme S H F
•Mar 16, 2021
I learn a lot from this course.Thanks to professor's instructions. My knowledge of chemistry becomes better.
By Jorge L B A
•Dec 10, 2017
Excelente curso. Gracias al mismo, he logrado comprender algunas cosas que no había entendido en pregrado.
By Deleted A
•Jan 9, 2021
One of the best professors I have ever had. Lectures are easy to understand. Instruction is methodical.
By Anna
•May 5, 2021
Excellent course! Dorian Canelas is a wonderful professor with an inspiring enthusiasm for chemistry!
By Aaditya M
•Apr 10, 2020
a good recap on stoichometric coefficients and a good method to prepare fo university level chemistry
By Yotam S
•Apr 20, 2025
A nice introduction to chemistry. Lightweight (finished over one weekend), fun, and super engaging.
By Karl R
•Aug 8, 2020
Highly Educational! Thumbs up. I just feel insufficient about the redox calculation but it is okay!
By Tyler H
•Sep 8, 2024
Excellent teacher and great intro to chem. Way more accessible than when I took it in high school!
By Deleted A
•Jul 7, 2020
Very good introduction chemistry course! Hope new and more advanced courses will follow this one!
By Liang Z
•Aug 5, 2020
Wonderful Lesson. The knowledge from this course really help me prepare for the AP chemistry.
By Hangkyo L
•Jun 23, 2020
Great teacher! Lots of examples, timely quizzes, easy but specific explanations. Thank you!
By Julia H M
•Aug 3, 2020
It made me believe I could do it! Love your explanations with real life examples! Thank you!
By Rachana S
•May 28, 2020
Thank you so much, mam. It was worth of time. Got to revise the basic concepts of chemistry.
By Santiago T
•Feb 1, 2023
Amazing course for those with little or no knowledge of chemistry. I highly recommend it!
By Yerkanat K
•Feb 26, 2018
Professor is really good at explaining the things! I find this course awesome for starters
By Angel E
•Jun 30, 2021
Curso muy interesante, práctico y didáctico. Fácil manejo de la web y contenido adecuado.
By Ginny H
•Nov 26, 2019
I am enjoying the course, and it has been challenging; but that is what I am looking for.
By Alfonso M
•Nov 18, 2016
Thank you Dorian, I have learned a lot on the basics of chemistry and chemical reactions
By Alex K
•Apr 27, 2020
Very good exercises! Nice balance between lectures and assignments. Excellent course!
By Evangelos B
•Aug 18, 2021
Overall a great course that gives you a good look through fundamentals of chemistry.
By Shin H
•Jan 13, 2021
It's a recommendable course for those who are to get basic knowledges for chemistry.
By Mehrafarine M
•Dec 20, 2024
i just want to thank the professor for her great teaching skills and explanations .
By Давид В
•Dec 18, 2024
very useful course, I'm like a second year chemist, even I emphasized something new