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Learner Reviews & Feedback for Introduction to Chemistry: Reactions and Ratios by Duke University

4.7
stars
1,350 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

SP

Nov 26, 2021

I find it very clearly presented and well organized. I really enjoyed it. Thank you! I liked it so much that I decided to translate it in my mother language so I can refresh the notions learned.

DP

Feb 5, 2018

Great Beginner Course. There are some parts where there will be frustration, but the forums are helpful. Any type of class involving math and science involves practice and work. Professor is great!

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276 - 300 of 338 Reviews for Introduction to Chemistry: Reactions and Ratios

By Jackson L i

Jul 1, 2021

good funny

By Nicola B

Feb 10, 2025

Excellent

By Mohammed A N

Oct 21, 2024

excellent

By viet n q

Dec 16, 2022

Excellent

By Javier A A M

Oct 22, 2020

Very good

By Joshua S G

Aug 1, 2020

Amazing!!

By PRIYA P

Jun 5, 2020

Wonderful

By PARTH P

Jun 5, 2020

Excellent

By PRIYA P

Jun 5, 2020

EXCELLENT

By PARTH P

Jun 5, 2020

Excellent

By Islam M E S

Feb 7, 2017

Excellent

By Haider A

Aug 28, 2016

Very good

By Lingyu Z

Apr 17, 2020

Helpful!

By jahanzeb a

Aug 9, 2023

amazing

By neel s

Jul 17, 2017

Love it

By 佐々木駿

Jun 17, 2022

Great!

By Pei X L

Jun 11, 2020

Thanks

By Gyanendra

Jun 4, 2017

Great!

By Therishikaa

May 13, 2025

good

By ranjitha r

Jan 7, 2021

Good

By M Z U M

Sep 26, 2020

Good

By Simonas M

Sep 26, 2020

good

By Dr. M B

May 10, 2020

good

By Brenno F D S S

May 10, 2021

god

By Uri S

Apr 18, 2022

:)