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

4.7
1,357 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

MR

Aug 8, 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.

NM

Sep 13, 2025

Excellent course!!! I enjoyed the historical background the lecturer used including the brief synopsis of the Chinese emperor consuming mercury pills to gain immortality.

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276 - Introduction to Chemistry: Reactions and Ratios 的 300 个评论(共 340 个)

创建者 Jackson L i

Jul 1, 2021

good funny

创建者 Nicola B

Feb 10, 2025

Excellent

创建者 Mohammed A N

Oct 21, 2024

excellent

创建者 viet n q

Dec 16, 2022

Excellent

创建者 Javier A A M

Oct 22, 2020

Very good

创建者 Joshua S G

Aug 1, 2020

Amazing!!

创建者 PRIYA P

Jun 5, 2020

Wonderful

创建者 PARTH P

Jun 5, 2020

Excellent

创建者 PRIYA P

Jun 5, 2020

EXCELLENT

创建者 PARTH P

Jun 5, 2020

Excellent

创建者 Islam M E S

Feb 7, 2017

Excellent

创建者 Haider A

Aug 28, 2016

Very good

创建者 Lingyu Z

Apr 17, 2020

Helpful!

创建者 jahanzeb a

Aug 9, 2023

amazing

创建者 neel s

Jul 17, 2017

Love it

创建者 佐々木駿

Jun 16, 2022

Great!

创建者 Pei X L

Jun 11, 2020

Thanks

创建者 Gyanendra

Jun 4, 2017

Great!

创建者 سديم

Dec 8, 2025

رائعه

创建者 Mahima V

Nov 24, 2025

good

创建者 Therishikaa

May 13, 2025

good

创建者 ranjitha r

Jan 7, 2021

Good

创建者 M Z U M

Sep 26, 2020

Good

创建者 Simonas M

Sep 26, 2020

good

创建者 Dr. M B

May 10, 2020

good