このコースについて
4.8
237件の評価
65件のレビュー

100%オンライン

自分のスケジュールですぐに学習を始めてください。

柔軟性のある期限

スケジュールに従って期限をリセットします。

初級レベル

約29時間で修了

英語

字幕:英語, スペイン語, ヘブライ語

100%オンライン

自分のスケジュールですぐに学習を始めてください。

柔軟性のある期限

スケジュールに従って期限をリセットします。

初級レベル

約29時間で修了

英語

字幕:英語, スペイン語, ヘブライ語

シラバス - 本コースの学習内容

1
4時間で修了

Introduction

<p>Over the seven weeks of Introduction to Chemistry: Reactions and Ratios, you will be able to progress from a most basic knowledge of matter and energy to solving interesting real world chemical reaction stoichiometry problems. Each lesson in the course introduces some new concepts that allow you to build upon the material from previous lessons, so completing the coursework in the order that it is delivered will be most beneficial for developing a thorough understanding of synthesized information. This course is intended for students with very little background in the subject, but a strong foundation in algebra is needed to solve some of the problems. </p><p>In the first unit, the course will first introduce the basic concepts of scientific methods and measurement. Then we will talk about matter, energy, and stoichiometry. Last, we prepared several lab demonstrations by Dr. Ken Lyle. I hope that you are as excited as I am to this amazing world of chemistry! Good luck!</p><p>Prof. Canelas</p> ...
12件のビデオ (合計133分), 2 readings, 2 quizzes
12件のビデオ
Scientific Method9 分
Measurement and Significant Figures Part I16 分
Measurement and Significant Figures Part II13 分
Matter17 分
Energy Part I14 分
Energy Part II14 分
Intro Stoichiometry Part I - Chemical Formulas12 分
Intro Stoichiometry Part II - The Mole13 分
[DEMO] Dr. Ken Lyle Chemistry Demonstration6 分
[DEMO] Physical Change3 分
[DEMO] Chemical Change4 分
2件の学習用教材
Math Concept Quiz Instructions10 分
Significant Figure Tips10 分
2の練習問題
Math Concept Quiz30 分
Week 1 Exercises30 分
2
5時間で修了

Matter and Energy

<p>If you are interested in significant figures in more detail, here are some <a href="https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/sig-figs-pre-alg/v/significant-figures" target="_blank">good videos</a> to follow on Khan Academy.</p><p>This week we will continue our explorations of matter and energy. We will discuss the sub-atomic particles that govern chemical reactions, isotopes, anions, and cations. We will learn how to name compounds, calculate formula masses, convert between grams and moles, examine periodic trends, and more! An advanced problems set is posted now; that is a longer assignment and is optional unless you would like to be eligible for the Honor’s Track. You can still earn a regular verified certificate without completing the advanced problem sets, so please be sure to keep working on the normal weekly exercises.</p>...
9件のビデオ (合計183分), 2 quizzes
9件のビデオ
The Structure of the Periodic Table27 分
Ions and Isotopes23 分
Ionic Bonds17 分
Orbital Energy and Ionization Energy Part I22 分
Orbital Energy and Ionization Energy Part II14 分
Electronegativity and Atomic Radius23 分
Introduction to Thermochemistry: Heat Capacity19 分
[DEMO] Density6 分
2の練習問題
Week 2 Exercises24 分
Advanced Problem Set46 分
3
2時間で修了

Compounds

<p>In this week's videos and exercises (aka quizzes), we will learn how to name compounds, calculate formula masses, convert between grams and moles, examine periodic trends, and more!</p><p>I hope you enjoyed the last two weeks of learning chemistry. Great work on watching videos, posting on the discussion forum and submitting your exercises!</p>...
7件のビデオ (合計99分), 1 quiz
7件のビデオ
Oxidation States Part II - Examples13 分
Naming Ionic Compound Part I13 分
Naming Ionic Compound Part II12 分
Covalent Bond Formation19 分
Naming Molecular Compounds12 分
Formula Mass9 分
1の練習問題
Week 3 Exercises22 分
4
3時間で修了

Chemical Composition and Reactions

<p>Week 4 for Introduction to Chemistry: Reactions and Ratios is about to begin! This week will be filled with introductions to chemical compositions, chemical reaction terminology, and reaction calculations.</p><p>If any of the following questions interest you, then watching this week's videos and doing some practice problems are probably a good way to get started! How much sodium is in my diet? What amount of pollutants are in drinking water? How much iron is in iron ore for steel production? These of the types of problems you will be able to address this week.</p>...
7件のビデオ (合計106分), 2 quizzes
7件のビデオ
Chemical Composition: Mole Ratios18 分
Mass Percent9 分
Empirical Formula19 分
Introduction to Chemical Reaction11 分
Balancing Chemical Reaction Equations15 分
Chemical Reaction Calculations15 分
2の練習問題
Week 4 Exercises18 分
Advanced Problem Set40 分
4.8
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33%

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12%

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人気のレビュー

by DPFeb 6th 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!

by PFNov 24th 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!

講師

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Prof. Dorian A. Canelas

Assistant Professor of the Practice
Chemistry

デューク大学(Duke University)について

Duke University has about 13,000 undergraduate and graduate students and a world-class faculty helping to expand the frontiers of knowledge. The university has a strong commitment to applying knowledge in service to society, both near its North Carolina campus and around the world....

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