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Opiniones y comentarios de aprendices correspondientes a Introduction to Chemistry: Reactions and Ratios por parte de Universidad Duke

1,055 calificaciones
271 reseña

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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....

Principales reseñas


19 de ago. de 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.


12 de jun. de 2020

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.

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151 - 175 de 272 revisiones para Introduction to Chemistry: Reactions and Ratios

por Lukas K

17 de dic. de 2017

I learnd many things in this cours and it was as well fun

por Ellie

20 de ene. de 2022

Great course, highly recommend for chemistry beginners!

por Lindiwe K

18 de may. de 2020

It was soo educative I enjoyed every lesson.


por Anastasia S

18 de jul. de 2021

I think it's one of the best classes out here so far!

por Carl J

20 de abr. de 2021

Solid course. Easy to understand and great refresher!

por Prakash V

17 de nov. de 2020

really excellent course by dr. Dorian! well explained

por Prashant K M

11 de abr. de 2018

It was a very interesting course. I enjoyed it a lot!

por Jose C G

27 de dic. de 2017

Muy bueno para aprender la introducción a la química.

por Jeyaseeli F

5 de ago. de 2021

super duper .............. chemistry lecture .......

por Omkar P

3 de oct. de 2020

very understandable contents and excellent teaching

por Nataliya C

1 de ago. de 2020

Amazing Professor. She explains everything so good!

por Amira A

14 de ago. de 2020

Important course with good and various information

por kristell

10 de jul. de 2019

the teacher is the best, also she is really funny

por Iram I

9 de oct. de 2021

It was amazing to learn chemistry by this course

por Daniela M

19 de mar. de 2022

Amazing teacher, super clear for beginners too!

por Lorena R

13 de dic. de 2020

Excellent course, excellent teacher, thank you!

por Alexander S

2 de jul. de 2021

Thank you for the efficient and useful course!

por Albert K

31 de jul. de 2020

Thank you so much. This is excellent course


15 de jun. de 2020

This course has helped to refresh my basics

por Afsar u D

13 de may. de 2020

it is excellent course for basic chemistry

por Dr. S J M

30 de abr. de 2020

The course was helpful and encouraging ...

por Liz C

19 de jun. de 2017

Thanks Dr Canelas! You gave me confidence.

por Lot

11 de mar. de 2021

Really great course. Fun and interactive!

por Mauritius X

20 de oct. de 2017

I learned something new. That was my goal