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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
1,245 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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251 - 275 of 311 Reviews for Introduction to Chemistry: Reactions and Ratios

By Ariana P

Feb 13, 2021

Magnificent

By Shahid I

Jul 24, 2020

Good course

By Ednita Z

Jul 11, 2022

EXCELENTE

By 유현준

Sep 13, 2021

good study

By Jackson L i

Jul 1, 2021

good funny

By Mohammed A N

Oct 21, 2024

excellent

By viet n q

Dec 16, 2022

Excellent

By Javier A A M

Oct 22, 2020

Very good

By Joshua S G

Aug 1, 2020

Amazing!!

By PRIYA P

Jun 5, 2020

Wonderful

By PARTH P

Jun 5, 2020

Excellent

By PRIYA P

Jun 5, 2020

EXCELLENT

By PARTH P

Jun 5, 2020

Excellent

By Islam M E S

Feb 7, 2017

Excellent

By Haider A

Aug 28, 2016

Very good

By Lingyu Z

Apr 17, 2020

Helpful!

By jahanzeb a

Aug 9, 2023

amazing

By neel s

Jul 17, 2017

Love it

By 佐々木駿

Jun 17, 2022

Great!

By Pei X L

Jun 11, 2020

Thanks

By Gyanendra

Jun 4, 2017

Great!

By ranjitha r

Jan 7, 2021

Good

By M Z U M

Sep 26, 2020

Good

By Simonas M

Sep 26, 2020

good

By Dr. M B

May 10, 2020

good