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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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226 - 250 of 303 Reviews for Introduction to Chemistry: Reactions and Ratios

By Labib U

Apr 20, 2020

thanks. i am very happy

By Rasha D

Mar 17, 2018

thank you very much :)

By Абжалов Р Р

Dec 3, 2016

Very professional!!!

By Simona E B

Aug 23, 2021

Excellent approach!

By William L

Sep 2, 2022

Very Informative!

By Tyus W

Jul 20, 2020

This was GREAT!!!

By Muhammad Z H

Mar 15, 2023

Excellent course

By Dr M R K

May 14, 2020

great experience

By Christhian P S

Nov 4, 2018

Thanks a lot!!!

By Matthew S

Aug 3, 2021

amazing course

By Camila G

Sep 21, 2020

Ótimo curso!!

By Nguyễn Q A

Apr 22, 2020

pretty useful

By Isaac C

Jun 6, 2019

Excellent!!!!

By Marie J A

Jun 9, 2017

amazing tutor

By Ms S

Jun 12, 2021

very helpful

By Łukasz K

Aug 29, 2019

Very useful!

By JAYDEEP V

Jul 20, 2019

best........

By Lisseth M

Mar 17, 2023

good Course

By Ariana P

Feb 13, 2021

Magnificent

By Shahid I

Jul 24, 2020

Good course

By Edna B Z Z

Jul 11, 2022

EXCELENTE

By 유현준

Sep 13, 2021

good study

By Jackson L i

Jul 1, 2021

good funny

By viet n q

Dec 16, 2022

Excellent

By Javier A A M

Oct 22, 2020

Very good