This Will Give You Basic Principles of Chemistry
In this Certificate in Introduction to Chemistry Online Course, you'll gain a solid foundation in the basics of chemistry. Along the way, you'll learn how everything that goes on in your body depends on a chemical reaction. This course also prepares you for a health-related career or for success in a college chemistry course.
The course begins with a discussion of matter and energy. You'll learn about the particles that make up matter and the different states matter can take. You'll also discover the differences between potential and kinetic energy, examine different ways to measure energy, and explore endothermic and exothermic reactions.
Once you've mastered these basics, you'll move on to the study of the atom and its subatomic particles. You'll learn about ions and isotopes, and their very important uses in medicine. As you study the periodic table of elements, you'll grasp why atoms combine with each other, why some chemical bonds are strong and some are weak, and what they have in common with romantic relationships.
In the lessons that follow, you'll learn more about chemical reactions and see how to interpret and balance chemical equations. You'll find out why chemicals react with each other and what can be done to speed those reactions. You'll also master stoichiometric calculations—a powerful way to figure out the relationship between the chemicals you start out with in a reaction and what you'll end up with.
Course Fast Facts:
- Only 6 weeks to complete this course
- Approximately only 2 to 4 hours per week of study is required
- This course is delivered 100% on-line and is accessible 24/7 from any computer or smartphone
- Instructors lead each course and you will be able to interact with them and ask questions
- You can study from home or at work, at your own pace, in your own time
- You can download printer friendly course material or save for viewing off line
- You will be awarded a certificate at completion of this course
How to study online course?
Upon enrolment an automated welcome email will be sent to you (please check your junk email inbox if not received as this is an automated email), in order for you to access your online course, which is Available 24/7 on any computer or smart mobile device. New courses start every month to ensure that we have the correct ratio of students to tutors available, please ensure you select a starting date when you go through our shopping cart, at checkout. The course is easy to follow and understand.
Through well-crafted lessons, expert online instruction and interaction with your tutor, participants in these courses gain valuable knowledge at their convenience. They have the flexibility to study at their own pace combined with enough structure and support to complete the course. And they can access the classroom 24/7 from anywhere with an Internet connection.
New sessions of each course run every month. They last six weeks, with two new lessons being released weekly (for a total of 12). The courses are entirely Web-based with comprehensive lessons, quizzes, and assignments. A dedicated professional instructor facilitates every course; pacing learners, answering questions, giving feedback, and facilitating discussions.
Recognition & Accreditation
All students who complete the course receive a certificate of completion with a passing score (for the online assessment) and will be issued a certificate via email.
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We'll start this course with a discussion of matter. Matter is anything that has mass and takes up space, so every structure in your body consists of matter. You'll learn about the three main states of matter (solids, liquids, and gases), where they are in your body, and how they change from one state to another. You'll also learn about the particles that make up matter, the differences between elements and compounds, and physical and chemical characteristics of substances. We'll end the lesson with a discussion of surface tension and its effect on premature babies.
In this lesson, we'll go over the very interesting topic of energy—the ability to perform some sort of activity or generate heat. You'll learn the difference between potential and kinetic energy. You'll also learn about three different types of temperature scales and how to convert temperature readings from one scale to another. We'll discuss joules and calories, two other units that measure energy, and we'll talk about the kilocalorie (Calorie), a way to measure the energy value in food. We'll examine the topic of specific heat, and you'll learn why the high specific heat of water is so important to your body. We'll end the lesson with a discussion of endothermic and exothermic reactions and how they relate to the food that you eat.
Measurements in Chemistry
Today, we'll explore measurements in chemistry. We'll focus on volume, length, mass, and density and compare the United States' system of measurement with the metric system of measurement. You'll learn why scientists and health care professionals primarily use the metric system and how to convert from one system to another. We'll also discuss the difference between mass and weight, and I'll introduce you to the topics of density and specific gravity.
The Structure of an Atom
In this lesson, you'll learn about the structure of an atom. We'll talk about the three major subatomic particles—protons, neutrons, and electrons. You'll learn about their location, electrical charges, and relative sizes, and how chemists count how many subatomic particles are present in an atom of an element. We'll also talk about the difference between atoms and ions, and you'll learn which subatomic particles can vary in number in the atoms of an element.
The Periodic Table of the Elements
In this lesson, we're going to explore the organization of the Periodic Table of the Elements. You'll learn about a famous Russian scientist who's known as the father of the modern periodic table, and why the development of this table was so important. We'll talk about the three major classes of elements—metals, metalloids, and non-metals, and you'll learn about their major characteristics. We'll also discuss some specific elements and some of the roles they play in the function of your body.
In today's lesson, we'll cover four types of chemical bonds—true covalent, polar covalent, ionic, and hydrogen bonds. You'll learn what these bonds have in common with romantic relationships, and you'll discover which of these bonds are strong and which are weak. We'll also talk about different ways that scientists represent molecules, and you'll learn about molecular, structural, and electron-dot formulas. We'll study the concept of electronegativity, and you'll find out how differences in electronegativity determine the types of bonds that are formed.
Today, we'll explore the language of chemical equations. You'll learn how to interpret the letters, symbols, and numbers we use to write chemical equations. We'll talk about the differences between reactants and products, and you'll come to understand the importance of the Law of Conservation of Mass. I'll take the mystery out of balancing chemical equations, and we'll go over a step-by-step method for balancing them yourself.
In today's lesson, we'll explore the fascinating topic of chemical kinetics. We'll talk about the different factors that cause chemicals to react with each other. And you'll learn how the temperature, physical nature, orientation, concentration, and pressure of the reactants affect the speed of chemical reactions. You'll also learn about a concept called activation energy—the minimum amount of energy needed for a chemical reaction to occur. We'll then discuss catalysts—chemicals that speed up chemical reactions but aren't changed themselves.
Stoichiometry: The Arithmetic of Chemistry
In this lesson, we're going to explore the topic of stoichiometry—this fancy word simply means the quantitative relationship between reactants and products. One type of stoichiometry calculation, for example, tells you how much product you can make if you have a certain amount of reactants. Another type tells you the reverse—how much of a reactant you need if you want to make a certain amount of product. To learn how this is possible, you have to know about a special number called "Avogadro's number," and that's something else you'll find out about in this lesson. This number tells you how many particles of a substance are contained in a "mole," and you'll discover how these units allow you to perform many stoichiometric calculations. We'll end the lesson with a discussion about the importance of oxygen in your body and how it limits the amount of energy you can generate from the food you eat.
In this lesson, we'll go over some basic information about solutions. We'll start out with a discussion of different types of mixtures, and then we'll spend the rest of the lesson on the topic of solutions, which is a special type of mixture. Solutions are important to understand because almost all chemical reactions that occur in the human body occur in a solution, and many medications are administered in a solution as well. You'll learn the difference between solutes and solvents, and you'll find out why chemists call water the universal solvent. Water can't dissolve every kind of substance, though, and you'll learn the reason why that's true. We'll also talk about conditions that affect how easy it is to make a solution, and you'll discover the difference between unsaturated and saturated solutions.
Acids, Bases, and Salts
In today's lesson, we're going to review chemicals called acids, bases, and salts. You'll learn about their behavior in water and about their unique characteristics. We'll discuss the differences between concentrated and dilute solutions, and between strong acids and bases. You'll also discover how buffers work to reduce the level of acidity in a solution. The pH scale measures the level of acidity in a solution, so we'll spend some time on that. You'll learn that the pH of fluids in your body must stay within a certain range and what happens when it doesn't.
In our final lesson, we'll go over four types of bioorganic molecules—carbohydrates, lipids, proteins, and nucleic acids. You'll first come to know the difference between inorganic and organic molecules, and you'll find out why the unique structure of carbon atoms makes it possible for millions of different organic molecules to exist. We'll then move on to discuss the chemical structure of the four types of bioorganic molecules. You'll learn about their chemical building blocks and how these building blocks come together to form these large molecules. You'll also learn about their important functions and how much your body depends on their presence.
Who is this course for?
Upon course completion, students will receive a certificate that will serve as proof of their study in this field.
Students must have basic literacy and numeracy skills.
Open entry. Previous schooling and academic achievements are not required for entry into this course.
Students will need access to a computer and the internet.
Minimum specifications for the computer are:
Microsoft Windows XP, or later
OSX/iOS 6 or later
Internet bandwidth of 1Mb or faster
Flash player or a browser with HTML5 video capabilities(Currently Internet Explorer 9, Firefox, Chrome, Safari)
Students will also need access the following applications:
Adobe Acrobat Reader
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