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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.
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.
151 - 化学基础：反应和比率 的 175 个评论（共 212 个）
创建者 Bassel A H
•Great course and teacher !
创建者 Francisco J
•muy bueno y bien explicado
创建者 Sarah J
•Very clear and accessible!
创建者 Yumna N
•Excellent demonstration👍
创建者 Kopparthy S S
•good course for beginners
创建者 Milan D
•Very interesting course.
创建者 Labib U
•thanks. i am very happy
创建者 Rasha D
•thank you very much :)
创建者 Абжалов Р Р
•Very professional!!!
创建者 Tyus W
•This was GREAT!!!
创建者 Dr M R K
•great experience
创建者 Christhian P S
•Thanks a lot!!!
创建者 Camila G
•Ótimo curso!!
创建者 Nguyễn Q A
•pretty useful
创建者 Isaac C
•Excellent!!!!
创建者 Marie J A
•amazing tutor
创建者 Łukasz K
•Very useful!
创建者 JAYDEEP V
•best........
创建者 Ariana P
•Magnificent
创建者 Shahid I
•Good course
创建者 Javier A A M
•Very good
创建者 Joshua S G
•Amazing!!
创建者 PRIYA P
•Wonderful
创建者 PARTH P
•Excellent
创建者 PRIYA P
•EXCELLENT
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