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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.

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201 - 225 of 303 Reviews for Introduction to Chemistry: Reactions and Ratios

By Deleted A

Jun 21, 2020

Really good course! I learned a lot!

By Yousef A

Jun 20, 2020

a very fruitful course of chemistry.

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 HanMin Z

Oct 24, 2021

A basic course but beneficial.

By Eduardo A C

Dec 29, 2017

AMAZING! I HAVE LEARNED A LOT!

By anwesha d

May 28, 2020

really cleared up the basics!

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👍

By Sudhakar S K

Dec 31, 2019

good course for beginners

By Milan D

Jun 1, 2020

Very interesting course.

By Dr. G B D

Dec 26, 2022

Very informative Course