Chevron Left
Back to Introduction to Chemistry: Reactions and Ratios

Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University

4.7
stars
1,188 ratings

About the Course

This is an introductory course for students with limited background in chemistry; basic concepts involved in chemical reactions, stoichiometry, the periodic table, periodic trends, nomenclature, and chemical problem solving will be emphasized with the goal of preparing students for further study in chemistry as needed for many science, health, and policy professions....

Top reviews

RG

Aug 19, 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.

M

Sep 4, 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.

Filter by:

126 - 150 of 303 Reviews for Introduction to Chemistry: Reactions and Ratios

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 29, 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 Akis M

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 이동혁

Nov 18, 2018

Loved all the lectures, It really helped me catching up my studies in high school.

By Oscar C

Aug 23, 2021

hI, excellent chemistry course. It is understood very well, it is very patchable

By Smaiel H

Jun 6, 2020

It was a nice and fruitfull work from a nice teacher " Prof. Dorian A. Canelas".

By Satish R

Aug 29, 2020

An excellent course for learning the basics of Chemistry and Reaction kinetics.

By ANDREJ B

Mar 31, 2022

Oh! What a nice course! I really like chemistry and it's a lot of fun here! ;)

By Nakul B

Sep 22, 2020

Nice experience online learning was really helpful! Faculties are awesome

By Donna M M

Jul 20, 2017

This course has helped me tremendously in preparing to return to college

By Gaurav D

Jun 8, 2020

The course is very educational and prof canelas is really interesting.

By Salma F A

Oct 1, 2020

thanks for your great efforts!

the best general course.. All the Best!

By Saugat B

Aug 27, 2019

It served me for a quick review of my high school physical chemistry.

By Pablo G C

Jul 25, 2020

Everything is well explained and the evaluations are very objective.

By Moayad S

Feb 7, 2021

Great course if you want to refresh or get started for the college!

By Semra G

Feb 2, 2021

Prof. Dorian A. Canelas was amazing! i will never miss her courses!