Chem1 Square-1

It all begins here; this group of lessons develops the fundamental concepts you will need to get started in Chemistry. Many Chemistry courses skip over most of this material, or at best cover it very rapidly during the first week or two, assuming either that you have seen it all before or that it is so simple that you can get it all out of the textbook. This is fine for those who have lived with this material for some time, but many students have not, or have been away from it for a while. All too often, by the time you realize this, the course has moved on to new material and you never do master these fundamental topics, leaving yourself crippled for the rest of the semester.

These lessons are designed with these problems in mind. Although they are elementary, they treat their various topics at an adult level of sophistication, and they are organized in such a way that you can return to them at any time without feeling talked-down to, and zero in on the particular parts you need.If at all possible, you will be wise to go thruoghall of the lessons, in this set, even those whose topics do not appear in your course syllabus. This is really basic stuff that will find application in all kinds of unexpected contexts, not only in the course you are currently taking,but also in future courses in in many aspects of real life.

Lesson summary

1 Science and pseudoscience

Lesson 1 What is science? (0)
Lesson 2 Hypotheses, theories, and laws
Lesson 3 Pseudoscience

2 Mathematical foundations

2-A.  Numbers large and small

Lesson 4 Introduction to scientific notation (8)
Lesson 5 Working with scientific notation (11)

2-B.  Functional relations and graphs

Lesson 6 Direct proportionality: equation of a line (17)
Lesson 7 Power functions (15)
Lesson 8 Logarithms (17)
Lesson 9 Logarithmic plots (4)
Lesson 10 Exponential functions (5)

Lesson 11 Strategies for problem solving

2-C.  Seeing beyond the numbers

Lesson 12 Uncertainty and error in measurements (12)
Lesson 13 Digits: significant and otherwise (10)
Lesson 14 Rounding-off (7)
Lesson 15 Significant figures in calculated results (17)
Lesson 16 Reliability of measurements (22)

3 Units and unit conversions

Lesson 17 Units of measure (8)
Lesson 18 Using the metric prefixes (9)
Lesson 19 Metric prefix drill (10)
Lesson 20 Volume units (8)
Lesson 21 Unit conversions (12)

4 A chemical view of matter

Lesson 22 Classification of matter (22)
Lesson 23 Properties of matter (16)

4-A.  Density

Lesson 24 Density and its measurment (11)
Lesson 25 Applications of density (18)

4-B.  Energy, heat and temperature

Lesson 26 What is energy? What is heat? (24)
Lesson 27 Temperature and its measurement (9)
Lesson 28 Heat capacity and changes of state (11)

5 A first look at chemistry

Lesson 29 Chemistry: an overview (17)
Lesson 30 Atoms and elements (16)
Lesson 31 Elements quiz (14)

Chemical nomenclature

Lesson 32 Simple molecules (13)
Lesson 33 Monatomic ions (13)
Lesson 34 Polyatomic ions (12)
Lesson 35 Salts and ionic-derived solids (13)
Lesson 36 The common acids (7)

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