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Avis et commentaires pour d'étudiants pour Introduction à la chimie : Réactions et ratios par Université Duke

708 évaluations
191 avis

À propos du cours

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....

Meilleurs avis


Aug 20, 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.


Jun 13, 2020

It is a wonderful course for Middle school students. A first course in Chemistry, for the gifted students who will do AP Chemistry. Not suitable for adult learners who need an advanced introduction.

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126 - 150 sur 186 Avis pour Introduction à la chimie : Réactions et ratios

par Ezeigwe M N

Sep 23, 2020

A good course, easy to understand.

par Yoe

Apr 18, 2017

nice chemical course for beginners

par Fernando D G

May 05, 2020

Great Teacher, Explains excellent

par SeonMi J

May 21, 2020

I enjoyed this course very much.

par Farsana. O P

Jun 14, 2020

Nice presentation. Very helpful

par Eduardo A C

Dec 29, 2017


par anwesha d

May 28, 2020

really cleared up the basics!

par Johan L

Jan 28, 2017

I only wish there was more.

par Francisco J

Jan 22, 2019

muy bueno y bien explicado

par Sarah J

Jan 03, 2017

Very clear and accessible!

par Yumna N

Jun 02, 2020

Excellent demonstration👍

par Kopparthy S S

Dec 31, 2019

good course for beginners

par Milan D

Jun 01, 2020

Very interesting course.

par Labib U

Apr 20, 2020

thanks. i am very happy

par Rasha D

Mar 17, 2018

thank you very much :)

par Абжалов Р Р

Dec 04, 2016

Very professional!!!

par Tyus W

Jul 21, 2020

This was GREAT!!!

par Dr M R K

May 15, 2020

great experience

par Christhian P S

Nov 04, 2018

Thanks a lot!!!

par Camila G

Sep 21, 2020

Ótimo curso!!

par Nguyễn Q A

Apr 22, 2020

pretty useful

par Isaac C

Jun 06, 2019


par Maria-Ioanna A

Jun 09, 2017

amazing tutor

par Łukasz K

Aug 29, 2019

Very useful!


Jul 20, 2019