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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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151 - 175 of 303 Reviews for Introduction to Chemistry: Reactions and Ratios

By Jonathan A R M

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Oct 19, 2020

this is a great course to gain new knowledge and reinforce old ones

By ahmed z

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Jun 18, 2017

so useful, and a professional teaching way and a genius professor.

By Fernanda P M R

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Jul 17, 2020

Me encanto el curso, en general es bastante entretenida la materia

By himanshu d

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Jul 29, 2017

Very Good course. It will improve the basic concepts of chemistry.

By Carlo D S

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Aug 17, 2021

A great revamp for those who want to reinforce Chemistry concepts

By Michael P

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Sep 26, 2020

My interest in Chemistry has been renewed! Thank you Dr. Canelas!

By Crystal R

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Jan 21, 2021

I wont lie, it was not easy! However, I learned a lot. Thank you

By sangeeta k

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Dec 2, 2022

Excellent content. Simple language and good number of examples.

By Sandi G

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Mar 17, 2021

Prof Colenas explainsteh concepts really well. And she's funny!

By Abhishek P

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Jun 22, 2020

Excellent Course. It rewinds me all my middle school chemistry.

By Adjei S J

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Dec 3, 2020

The course was interesting and the facilitator was very good.

By Alon B

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Dec 18, 2021

Thank you for the great course, Prof. Canelas is exceptional!

By Wang Z

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Dec 23, 2018

Very thorough introduction. Hope it could be more challenging

By Kitty C

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Sep 18, 2017

very good for revision of topics and principles of chemistry

By Fanny M

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Apr 19, 2020

very clear instruction. I was able to keep up and had fun.

By Mohsen C

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Jan 3, 2023

The course is great to review chemistry, GREAT teacher :)

By Manish T

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Jul 29, 2020

It was really knowledge enhancing and interesting course.

By Davis M

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Jul 26, 2020

Awesome course and instructor! I was able to learn a lot.

By Lukas K

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Dec 17, 2017

I learnd many things in this cours and it was as well fun

By Ellie

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Jan 20, 2022

Great course, highly recommend for chemistry beginners!

By Lindiwe K

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May 18, 2020

It was soo educative I enjoyed every lesson.

THANK YOU.

By Anastasia S

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Jul 18, 2021

I think it's one of the best classes out here so far!

By Carl J

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Apr 20, 2021

Solid course. Easy to understand and great refresher!

By prakash v

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Nov 17, 2020

really excellent course by dr. Dorian! well explained