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返回到 化学基础:反应和比率

學生對 杜克大学 提供的 化学基础:反应和比率 的評價和反饋

993 個評分
264 條評論


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....



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.


76 - 化学基础:反应和比率 的 100 個評論(共 263 個)

創建者 Marcos D


I have never studied chemistry before. I enjoyed a lot. Thanks to Coursera, Duke University and the excellent and smiling Professor Dorian Canelas

創建者 Youwen W


Week two is a bit too long for me, otherwise the courses are well designed with many pop-up questions which are very helpful for understanding.

創建者 Jorge R P


Amazing course, the instructor knows the material perfectly, the topics are really interesting, and the videos are adequate! Thank you so much!

創建者 Prateek K


This course helped me to increase my knowledge in the chemical reactions and ratios. Thankyou to coursera for this course. It really helped me.

創建者 Sally G


Dr. Canelas uses excellent, understandable analogies to explain complicated concepts. Thank you for an interesting introduction to Chemistry!

創建者 Ashanda J


Everything was great, the instructor took her time and gave explanations that broke down the topic in a way that made it easy to understand.

創建者 Caitlin B


Very clear, well organized and well explained info! Teacher is very pleasant and engaging and you can see that she enjoys what she's doing.

創建者 Luz D


Excellent Professor Dorian Canelas! A very good introduction to Chemistry Reactions and Ratios. Incredibly understandable and explanatory.

創建者 Melisha Q


Detailed explanation is given and it is good course in which relevant informaton on the course is given.

I enjoyed learning this course

創建者 Rose P


Really good explanations. Professor takes the time to explain each concept clearly with lots of examples. I really enjoyed the course.

創建者 Ramon L D R


This course was so much fun and extremely helpful. The instructor's delivery of the material was very clear and easy to understand.

創建者 Zirodeen K


Excellence course material and the lecture delivery is very much on point , making it very easy to grasp concepts and principles.

創建者 Keyur K


Overall, I have been glad with my experience using Coursera and think it is one of the best online learning platforms available.

創建者 Jayanth J B


Professor Dorian is awesome!! Loved the course. Specially for chemistry enthusiasts.

Helps students gain interest in chemistry!!

創建者 Cordelia S


Thank you for this course! It was very engaging. The instructor's explanations were clear and the demonstrations were excellent.



El curso me resultó muy amigable y entendible, espero que en un futuro las consignas estén en español para una mejor resolución

創建者 Abdul K C


Best chemistry course for the beginners.

And Prof. Dorian is a good teacher in my opinion. She taught everything perfectly.

創建者 Raúl A G P


Me ayudó mucho durante mi curso en la universidad, fue fácil aprender a pesar de que no tenía tantos conocimientos previos

創建者 Alex K


Good for whom knew something about chemistry and wants to refresh it and learn some new information. Fits for beginners

創建者 Mary A T C


I learned a lot in this course which is very applicable in online learning. It refreshes my knowledge on the subject.

創建者 Nimisha N


I really loved the coursera course so very much. Prof.Dorian really did a great job. She taught all concepts so well.

創建者 Sakshi T


Thank you so much for this amazing course and thank you to professor because of her I was able to complete my course

創建者 Kyle S


I learned a lot from this course that I haven't understood at all when it was taught at our school. I like it.

創建者 Extreme S H F


I learn a lot from this course.Thanks to professor's instructions. My knowledge of chemistry becomes better.