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返回到 Introduction to Chemistry: Reactions and Ratios

学生对 Duke University 提供的 Introduction to Chemistry: Reactions and Ratios 的评价和反馈

4.7
1,345 个评分

课程概述

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....

热门审阅

M

Sep 4, 2023

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.

RG

Aug 19, 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.

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151 - Introduction to Chemistry: Reactions and Ratios 的 175 个评论(共 336 个)

创建者 Hijron S

Aug 28, 2025

It was really useful and comprehensive course. Thanks for your teaching and efforts.

创建者 Evangelos B

Aug 18, 2021

Overall a great course that gives you a good look through fundamentals of chemistry.

创建者 Shin H

Jan 13, 2021

It's a recommendable course for those who are to get basic knowledges for chemistry.

创建者 Mehrafarine M

Dec 20, 2024

i just want to thank the professor for her great teaching skills and explanations .

创建者 Давид В

Dec 18, 2024

very useful course, I'm like a second year chemist, even I emphasized something new

创建者 이동혁

Nov 18, 2018

Loved all the lectures, It really helped me catching up my studies in high school.

创建者 -Willy- C

Aug 23, 2021

hI, excellent chemistry course. It is understood very well, it is very patchable

创建者 Smaiel H

Jun 6, 2020

It was a nice and fruitfull work from a nice teacher " Prof. Dorian A. Canelas".

创建者 Satish R

Aug 29, 2020

An excellent course for learning the basics of Chemistry and Reaction kinetics.

创建者 ANDREJ B

Mar 31, 2022

Oh! What a nice course! I really like chemistry and it's a lot of fun here! ;)

创建者 Nakul B

Sep 22, 2020

Nice experience online learning was really helpful! Faculties are awesome

创建者 Donna M M

Jul 20, 2017

This course has helped me tremendously in preparing to return to college

创建者 Gaurav D

Jun 8, 2020

The course is very educational and prof canelas is really interesting.

创建者 Salma F A

Oct 1, 2020

thanks for your great efforts!

the best general course.. All the Best!

创建者 Saugat B

Aug 27, 2019

It served me for a quick review of my high school physical chemistry.

创建者 Pablo G C

Jul 25, 2020

Everything is well explained and the evaluations are very objective.

创建者 Moayad S

Feb 7, 2021

Great course if you want to refresh or get started for the college!

创建者 Semra G

Feb 2, 2021

Prof. Dorian A. Canelas was amazing! i will never miss her courses!

创建者 Jonathan A R M

Oct 18, 2020

this is a great course to gain new knowledge and reinforce old ones

创建者 ahmed z

Jun 18, 2017

so useful, and a professional teaching way and a genius professor.

创建者 Fernanda P M R

Jul 17, 2020

Me encanto el curso, en general es bastante entretenida la materia

创建者 himanshu d

Jul 29, 2017

Very Good course. It will improve the basic concepts of chemistry.

创建者 Carlo D S

Aug 17, 2021

A great revamp for those who want to reinforce Chemistry concepts

创建者 Michael P

Sep 26, 2020

My interest in Chemistry has been renewed! Thank you Dr. Canelas!