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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

    Filled StarFilled StarFilled StarFilled StarHalf Faded Star
    4.7
    stars
    1,286 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

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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.

    M

    Sep 4, 2023

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    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.

    Filter by:

    76 - 100 of 321 Reviews for Introduction to Chemistry: Reactions and Ratios

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    By Muhammad A R

    •

    Aug 9, 2019

    An exceptional course to revise previous concepts. many a times strengthened my previously vague concepts. The interviews and especially the practical videos were very enlightening.

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    By alex p

    •

    Sep 14, 2023

    Got a far better understanding of basic chemistry almost 20 years after finishing high school. Many thanks to Prof. Dorian Canelas and to Duke University for creating this course.

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    By Sravanthi.M

    •

    Aug 18, 2020

    I really enjoyed this course well,and I learned the basics of chemistry on reactions and ratios. Prof.Dorian.A Canelas thaught the topics in easiest and in understandable way.

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    By Alexandr S

    •

    Jan 17, 2021

    To be honest, I knew a lot of the course (the program of the school course in my country provides for all this), but this course opened my eyes to many things in a new way

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    By Gabriele M

    •

    Jul 29, 2022

    It was a very interesting and pedagogically well prepared course, which made much fun. Thank you very much Prof. Dorian Canelas and all people, who worked on this course.

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    By Sydney V

    •

    Aug 6, 2020

    This course reinforced the basics of chemistry that I had already learned in Chemistry while also giving me to gain more in depth information from the teacher's videos.

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    By Ahadi D P

    •

    May 7, 2020

    great course, it gives me more knowledge in chemistry and also can maintain my previous knowledge in chemistry. I truly like the explanation in atomic interaction part.

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    By Patrick E F

    •

    Nov 23, 2016

    A very good course to review basic college chemistry, or to prepare for for taking a college course if High School chemistry was taken too long ago. Highly recommended!

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    By Hiền L

    •

    Oct 6, 2016

    Strongly recommend this to people who lack backgrounds in chemistry or those who want to revisit knowledge they've not come across for a long time. I learnt a lot! :)

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    By Eilidh M

    •

    Jul 3, 2020

    I really struggled with chemistry in high school, and this course is excellent! It helped me understand the core concepts of chemistry and I found it very enjoyable!

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    By Samuel T

    •

    Jul 29, 2021

    The professor was very good in teaching. I have enjoyed the course, and I've learned so much.

    I'll recommend this course for my friends who like chemistry as well

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    By Sheshaddri .

    •

    May 21, 2021

    Fantastic course! Videos were informative at were conducted at a steady pace. A good introduction to chemistry, especially for people who are new to the subject

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    By Phoebe D

    •

    Mar 26, 2022

    Good introduction to chemistry for those interested for some background knowledge. I would say this is at GCSE level, and is good for revision. Thanks a lot!

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    By SallyL V

    •

    Nov 27, 2022

    It helped me going in depth in many important topics that I got a chance to cover a bit in AP Chemistry, really helpful. Thank you so much for your lectures!

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    By Alyse C

    •

    Oct 14, 2017

    Professor Canelas was a wonderful teacher who made the content incredibly easy to understand. I can't thank her enough for putting her time into the course!

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    By Deleted A

    •

    Aug 19, 2020

    Thank you so much for the opportunity to take this course. I learned so much! The class was very fun and informative. I enjoyed every minute of lecture.

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    By Molly J

    •

    Aug 15, 2020

    This class was a great way to learn the introductions of chemistry. Prof. Canelas gave excellent, detailed and thorough explanations. Highly recommend.

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    By Marcos D

    •

    Jul 17, 2020

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

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    By Youzhong W

    •

    May 9, 2021

    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.

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    By Jorge R P

    •

    Jun 8, 2020

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

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    By Prateek K

    •

    Apr 8, 2020

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

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    By Sally G

    •

    Apr 19, 2020

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

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    By Ashanda J

    •

    Mar 20, 2021

    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.

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    By Caitlin B

    •

    Nov 20, 2018

    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.

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    By Luz A D

    •

    Aug 8, 2020

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

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