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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.
201 - 化学基础：反应和比率 的 212 个评论（共 212 个）
创建者 廷瑋 王
•clear concept explanation
创建者 Habib U
•helpful for the biginner
创建者 Dr. B D
•I rather enjoyed it. :-)
创建者 Грязев В В
•понятный и доступный
创建者 John F
•a good introduction
创建者 Nafiul A
•I loved this course
创建者 Eb E
•Cool class!
创建者 Arkojyoti B
•The professor is superbly unengaging. Her toneless voice while she reads from a teleprompter and her desperate attempts to be funny makes one doze off fast. Her gaps make it so that she doesn't really know what she is doing (might be different n an actual class). This is not story time and you don not have to treat learners like pre-schoolers. Also the advanced question sets are bullshit- just cut to the chase already and go for the answers than giving points for "did you understand the question?". Well if I didn't I would get a wrong answer and know I made a mistake somewhere, so need for you to ask exactly what formulas I'm gonna use.
创建者 Ian S
•Waste of time. Hard to follow. Jumpy. Moves too quickly. Expects you to know the answer before even explaining how to find it. A joke.
创建者 Nicolás C M
•It say introduction, but it is more advanced that it seems
创建者 Lacie C
•Too much at one time.
创建者 Anubhav T
•waste of time
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