Organic Chemistry
You can learn atoms, elements, chemical bonding, reactions, stoichiometry, acids, bases, and the periodic table.
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Build chemistry confidence fast with this free online course: atoms, periodic table, equations, gases and energy—plus practice to ace exams.
4.7
(34)
16h53m
44 exercises
Build confidence in chemistry basics—atoms, bonding, moles, reactions, gases, and pH—with a free online course packed with videos and practice.
4.5
(56)
26h09m
23 exercises
Build confidence in chemistry basics with this free online course—states of matter, mixtures, measurements, and sig figs—plus practice questions and certificate-ready skills.
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(7)
6h32m
10 exercises
Electrochemistry Made Practical: Redox, Batteries, and the Chemistry Behind Electricity
Learn electrochemistry through redox, galvanic cells, electrolysis, and batteries with a practical guide to voltage, electron flow, and real-world applications.
Chemical Reactions Explained: Rates, Equilibrium, and Why Reactions “Stop” (Even When They Don’t)
Understand reaction rates, equilibrium, and Le Châtelier’s principle to predict how chemical reactions behave in real-world systems.
Acids, Bases, and Buffers: A Practical Guide to pH in the Real World
Learn how pH, acids, bases, and buffers work in real-world chemistry with practical explanations and problem-solving strategies.
An Introduction to Organic Chemistry: The Study of Carbon Compounds
Discover the fundamentals of organic chemistry, the study of carbon compounds essential to life, medicine, and industry.
Functional Groups in Organic Chemistry: Key to Understanding Molecular Behavior
Learn about key functional groups in organic chemistry and their role in determining molecular behavior, reactivity, and real-world applications.
Isomerism in Organic Chemistry: Exploring Molecular Diversity
Discover the basics of isomerism in organic chemistry, including types, examples, and its crucial role in molecular diversity and function.
Stereochemistry in Organic Chemistry: Understanding 3D Molecular Structures
Learn the fundamentals of stereochemistry, including types of stereoisomers, chirality, and how 3D molecular structures influence organic chemistry and drug design.
Mastering Stoichiometry: The Gateway to Quantitative Chemistry
Stoichiometry is key to understanding chemical reactions, predicting outcomes, and ensuring efficiency. It relies on concepts like moles, balanced equations, and reactant management.
Develop scientific knowledge through free online courses designed for students, educators, exam candidates, and anyone interested in understanding matter and its transformations. The learning materials cover fundamental and advanced concepts, including atomic structure, periodic properties, chemical bonding, stoichiometry, thermodynamics, kinetics, equilibrium, acids and bases, electrochemistry, and organic reactions. Every course is free, includes free certification, and features exercises that help reinforce theory, evaluate comprehension, and support independent study.
Choose a course according to your current level and educational goals. Beginners can establish a foundation in chemical notation, laboratory terminology, measurement, formulas, and reaction balancing, while more experienced learners can study molecular mechanisms, spectroscopy, stereochemistry, and advanced organic synthesis.
These online lessons can help learners interpret the periodic table, calculate molar quantities, identify intermolecular forces, classify compounds, analyze reaction rates, and explain energy changes. Organic chemistry options introduce functional groups, nomenclature, isomerism, reaction pathways, aromatic compounds, and structure-property relationships. Exercises encourage problem-solving, quantitative reasoning, observation, and the application of scientific methodology.
Learn at your own pace and revisit important subjects whenever necessary. The courses are useful for school revision, university preparation, professional development, laboratory-related training, and general scientific literacy. With accessible instruction and varied course levels, learners can create a personalized study pathway from introductory principles to more complex chemical science topics. After completing eligible learning activities, students can obtain free certification directly through the platform.
To access the courses, lessons, exercises, and free certification, users must install the Cursa app. Android users can install it from Google Play using Download for Android. iPhone users can install it from the App Store using Download for iOS / iPhone. Install the app, select a course, and begin expanding your understanding of chemical principles through convenient online education.
What will I learn in an online chemistry course?
You can learn atoms, elements, chemical bonding, reactions, stoichiometry, acids, bases, and the periodic table.
Is chemistry suitable for absolute beginners?
Yes. Beginner chemistry courses introduce fundamental concepts such as atoms, molecules, bonds, and basic reactions.
What topics are covered in a chemistry basics course?
Chemistry basics typically cover matter, atomic structure, the periodic table, bonding, formulas, equations, and simple calculations.
What is organic chemistry?
Organic chemistry studies carbon-containing compounds, their structures, reactions, properties, and synthesis.
What is electrochemistry in chemistry?
Electrochemistry examines chemical reactions involving electricity, including batteries, electrolysis, corrosion, and redox processes.
Can a complete chemistry course help with exam preparation?
Yes. Complete chemistry courses can help review core theory, equations, calculations, reactions, and common exam topics.
What is covered in advanced organic chemistry?
Advanced organic chemistry covers reaction mechanisms, stereochemistry, spectroscopy, synthesis strategies, and complex carbon compounds.
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What are people saying about free online courses of Chemistry
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CoursePrinciples of Chemical Science