Chemistry, 2nd Edition

Rated 5 out of 5 by from Great Teacher, Great Course I have taken the entire course together with my 8th grader during the Covid-19 lock down as preparation for high school. The course has been a solid staple on a daily basis for my son and myself and he enjoyed it very much.
Date published: 2020-08-17
Rated 3 out of 5 by from Too much arithmetic This is the only Great Course I have taken that is mostly problems to be solved. Perhaps great for struggling high school chemistry students, but not very interesting for the typical adult. The lecturer is, however, very communicative.
Date published: 2020-08-05
Rated 5 out of 5 by from Great for starting from zero. I've never took a chemistry class or even graduated from highschool. I used the GC to study math for my GED and it helped a lot. I got this course on sale and it is worth it. The teacher is very funny and makes chemistry enjoyable. He is very clear as well. Again, this is a very good course if you are starting from zero.
Date published: 2020-03-24
Rated 5 out of 5 by from Brilliant coverage of Chemistry at the Entry Level I purchased this with a couple of objectives in mind. I wanted a solid review of the basic subject, having completed Chemistry "back in the day" because it has become interesting again. Secondly, I wanted to be able to convey to the young people I get to care for, how interesting the subject is. Knowing Chemistry well enough to complete college is a very different thing from being able to explain it someone else. Professor Cardulla is a master at educating as well as a master of Chemistry.
Date published: 2020-03-18
Rated 5 out of 5 by from Very pleased I bought this (and the Davis) course so I would be in a position to offer reasonably intelligent assistance to my daughter in her chemistry class. It has enabled me to do exactly that. I’m very pleased and recommend this course to anyone who wants/needs to learn the basics.
Date published: 2020-02-17
Rated 4 out of 5 by from Very Good Coverage of Basic Chemistry Problems Mr. Cardulla does a very good job explaining basic chemistry problems. This course is best taken in conjunction with an actual class as it is more about problem solving. While he does a good job for the most part in explaining the problem and solution, he tends to throw in irrelevant and in a few occasions confusing and misleading explanations. He also strays from chemistry to make irrelevant pedantic remarks which are best suited for juveniles.
Date published: 2019-11-19
Rated 5 out of 5 by from It Should Have Been Called High School Chem I bought it expecting to get a college level course. However, the instructor is awsome and the material is great for a high school level.
Date published: 2019-07-17
Rated 5 out of 5 by from Good first time introduction to Chemistry! Although I am taking AP(or Advanced Placement) Chemistry at the moment, I have not taken a beginner level Chemistry class. These videos really helped me to learn the basics of Chemistry so that learning the difficult material was easier.
Date published: 2019-04-28
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Chemistry, 2nd Edition
Course Trailer
Introduction and Philosophy
1: Introduction and Philosophy

In this first lecture, Professor Cardulla explains how any student can find success in chemistry by cultivating a meaningful understanding of the concepts and quantitative thinking operations that underlie this often challenging area of study.

32 min
Basic Concepts of Quantitative Reasoning
2: Basic Concepts of Quantitative Reasoning

Introductory chemistry is not mysterious: It requires simple quantitative reasoning that comes naturally to most students. You learn about the types of numbers involved in chemistry and how to solve problems commonly encountered in high school chemistry.

30 min
Quantitative Reasoning in Everyday Life
3: Quantitative Reasoning in Everyday Life

Only a handful of important ideas must be mastered in order to be successful at solving chemistry problems. In this lecture, you review some basic guidelines for approaching any chemistry problem and try out your skills on a few sample problems that demonstrate how you can use everyday reasoning in your chemistry class.

31 min
Quantitative Reasoning in Chemistry-Density
4: Quantitative Reasoning in Chemistry-Density

Building on the ideas explored in the first three lectures, you examine a fundamental quantitative measurement in chemistry, density, and explore the real-world meaning of this measurement. You then solidify your understanding of this concept by working some basic density problems.

31 min
The SI (Metric) System of Measurement
5: The SI (Metric) System of Measurement

Next, you continue to lay a strong foundation for your understanding of chemistry by learning about one of the key tools you'll be using: the International System of Units (SI), or the metric system. This lecture explains why this system is so useful to scientists and lays out the prefixes and units of measurement that make up the metric system.

29 min
Converting between Systems of Measurement
6: Converting between Systems of Measurement

Now that you have established an understanding of the SI system, put your knowledge to work as you practice converting units from one system of measurement to another. You hone your conversion skills by working several sample problems.

29 min
Elements, Atoms, and the Periodic Table
7: Elements, Atoms, and the Periodic Table

In the next three lectures, you cover some fundamental topics that you'll need before you can launch into your study of chemistry. You examine the basic building blocks of matter-elements and the atoms that constitute them-and you learn how to interpret the information about elements presented in the periodic table

30 min
Ions, Compounds, and Interpreting Formulas
8: Ions, Compounds, and Interpreting Formulas

Learn about protons, electrons, and neutrons; how ions are formed from atoms; how these ions can combine to form compounds; and how you can determine the formulas of these compounds. Some molecular substances are discussed and you are introduced to the final number associated with every element-its atomic weight.

32 min
Isotopes and Families of Elements
9: Isotopes and Families of Elements

Discover how isotopes, which are different atoms of the same element, can actually differ in their weight because they contain different numbers of neutrons in their nuclei. Also, learn how different kinds of elements are grouped into both general categories (such as metals and nonmetals) as well as specific chemical "families," which then are arranged into the periodic table.

30 min
The Mole
10: The Mole

One of the most important concepts to master in an introductory chemistry course is the concept of the mole, which provides chemists with a way to "count" atoms and molecules. Learn how scientists use the mole and explore the quantitative definition of this basic unit.

29 min
Solving Mole Problems
11: Solving Mole Problems

By solving problems involving moles, you refine the quantitative techniques introduced in earlier lectures while increasing your familiarity with this important chemical value.

31 min
Avogadro's Hypothesis and Molar Volume
12: Avogadro's Hypothesis and Molar Volume

After mastering the mole, you move on to a related concept: the "molar volume," or the amount of space occupied by one mole. You apply this understanding of molar volume as you examine Avogadro's Hypothesis, a principle concerning the molar volume of gases.

30 min
Percent Composition and Empirical Formulas
13: Percent Composition and Empirical Formulas

In this lecture, you encounter two "classic" types of chemistry problems and learn the basic characteristics of each. The lecture concludes with several practice problems to help you master the skill of solving percent composition problems.

29 min
Solving Empirical Formula Problems
14: Solving Empirical Formula Problems

Continue your consideration of "classic" chemistry problems with a look at empirical formulas, and examine how empirical formulas relate to molecular formulas

30 min
Writing and Balancing Chemical Equations
15: Writing and Balancing Chemical Equations

What happens when you combine two or more elements? Through a variety of practice problems, you learn to identify when a chemical reaction has occurred, how to write chemical equations, and how to "balance" equations to conserve the atoms.

30 min
An Introduction to Stoichiometry
16: An Introduction to Stoichiometry

What are the quantitative relationships between the substances in a chemical reaction? The study of stoichiometry shows you how to apply your ability to balance equations to solve problems involving chemical reactions.

31 min
Stoichiometry Problems
17: Stoichiometry Problems

You extend your study of stoichiometry to consider more complex problems involving volume, molecules, and energy.

30 min
Advanced Stoichiometry
18: Advanced Stoichiometry

As you move on to more advanced stoichiometry problems, you see that they can be solved using a very simple approach. You encounter three terms often applied to chemical reactions: theoretical yields, actual yields, and percent yields.

31 min
An Introduction to Molarity
19: An Introduction to Molarity

One important idea to master in any introductory chemistry course is the concept of concentration of a solution. Here, you explore this concept, the components that make up a solution, and learn about a basic unit of measurement for concentration, molarity.

30 min
Solving Molarity Problems
20: Solving Molarity Problems

Extend your understanding of molarity by solving some typical problems encountered in the high school chemistry classroom. To foster your understanding of these problems, you are asked to draw upon the quantitative reasoning skills you previously used.

29 min
Advanced Molarity Problems
21: Advanced Molarity Problems

You are asked to take the concepts you learned about molarity in the last two lectures and apply them to a number of unfamiliar problems. These problems offer an opportunity to test your comprehension of the concepts you've been exploring.

30 min
Basic Concepts of Chemical Equilibrium
22: Basic Concepts of Chemical Equilibrium

Continue your study of chemical reactions by examining an important new concept: the equilibrium system. You start by looking carefully at the difference between reactions that "go to completion" and those that are "reversible."

30 min
An Introduction to the Equilibrium Constant
23: An Introduction to the Equilibrium Constant

By tracking and graphing a hypothetical reaction as it approaches a state of equilibrium, you gain a deeper understanding of the essential characteristics of equilibrium systems. Then, you're introduced to the single most important expression used to solve equilibrium problems: the equilibrium constant.

31 min
Interpreting an Equilibrium Constant
24: Interpreting an Equilibrium Constant

Your examination of the equilibrium constant continues. Learn exactly what the numerical value for an equilibrium constant tells and doesn't tell you about an equilibrium system.

30 min
Le Chatelier's Principle-Concentration
25: Le Chatelier's Principle-Concentration

Before you can solve equilibrium problems, you need to understand what happens to an equilibrium system when conditions are changed. You learn about a fundamental idea-Le Chatelier's Principle-which lays the groundwork for a broader understanding of equilibrium.

31 min
Le Chatelier-Pressure and Temperature
26: Le Chatelier-Pressure and Temperature

Having established a basic understanding of Le Chatelier's Principle, you explore how this principle plays out in a variety of situations in which an equilibrium system is changed.

30 min
An Introduction to Equilibrium Problems
27: An Introduction to Equilibrium Problems

You use your basic understanding of equilibrium systems to try to solve some problems. You tackle two kinds of equilibrium problems: ones in which you are asked to calculate the equilibrium constant for an equation, and ones in which you are asked to find the equilibrium concentration of a reactant or product.

31 min
The Self-Ionization of Water
28: The Self-Ionization of Water

After examining how different substances may behave when dissolved in water, you learn about the self-ionization of water and use this knowledge to solve problems. The lecture ends with a brief introduction to the pH of solutions.

30 min
Strong Acids and Bases-General Properties
29: Strong Acids and Bases-General Properties

You return to the topic of pH and learn about how pH relates to two kinds of compounds: acids and bases. Through an introductory problem, you explore the relationship of various ions within these compounds.

32 min
Solving Strong Acid and Base Problems
30: Solving Strong Acid and Base Problems

You gain a deeper understanding of acids, bases, and pH by working several sample problems. These exercises help clarify the difference between strong and weak acids and bases and between the idea of a "strong" concentration versus a "strong" acid or base.

27 min
Weak Acids and Bases
31: Weak Acids and Bases

Look at weak acids and bases, compounds that are only slightly ionized in water-based solutions. You learn how to solve the "classic" weak acid problem and apply the same approach to weak base problems.

32 min
Titrating Acids and Bases
32: Titrating Acids and Bases

Here, you explore "neutralization": the idea that if you add a base to an acid, it will tend to destroy the properties of the acid, and vice versa. You examine this reaction through demonstration of a laboratory procedure called titration.

31 min
Titration Curves and Indicators
33: Titration Curves and Indicators

Acid-base indicators, which change color when a solution switches from acid to base and back again, provide a striking demonstration of the transformation that occurs during titration. Learn how to use these indicators to determine the equivalence point of a titration, and examine what happens when you graph these reactions.

30 min
Solubility Equilibria-Principles, Problems
34: Solubility Equilibria-Principles, Problems

After learning about equilibrium systems, you move on to a particular type of system: "solubility equlibria," or the equilibria found in saturated solutions of slightly soluble ionic solids. You explore this concept as you practice solving a variety of related problems.

31 min
Solubility Equilibria-Common Ion Effect
35: Solubility Equilibria-Common Ion Effect

Your study of solubility equilibria continues with some advanced practice problems. Here, you encounter the last major type of equilibrium problem. To solve these problems, you revisit Le Chatelier's Principle and learn about some of the pitfalls to avoid when dealing with these kinds of equilibrium systems.

31 min
Putting It All Together
36: Putting It All Together

In this final lecture, you tackle problems that require you to pull together all the knowledge you've acquired. Through these challenging problems, you build confidence in your ability to unravel new problems and pursue more advanced levels of chemistry.

32 min
Frank Cardulla

I hope you choose to join our family of students in high school, college, home school, and those who want to learn just for learning's sake. Helping students has been my life's mission and I'd love to try and help you as well.


University of Illinois


Niles North High School

About Frank Cardulla

Professor Frank Cardulla taught at Niles North High School in Skokie, IL, from 1964 to 1999. He subsequently taught at Lake Forest High School and Libertyville High School. Professor Cardulla earned both his B.S. in Teaching of Chemistry with honors and his M.S. in Teaching of Physical Sciences from the University of Illinois. He has received the National Catalyst Award for Outstanding Chemistry Teaching, a Presidential Award for Science Teaching, and the National James Bryant Conant Award. Additionally, he has received citations from institutions such as MIT and the University of Chicago for being named most influential teacher" by attending students. He has taught a wide variety of high school science courses

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