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Welcome to Breslyn.org!

I'm Dr. B and on this site you'll find high quality, tested chemistry videos, information, and practice problems to help you succeed in an introductory level chemistry course.

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Chemistry Topics

New! Redox Reactions: Oxidation, reduction, half reactions, and balancing redox reactions.

Chemical Bonding: Lewis Structures, formal charges, resonance, polarity, and hybridization.

Balancing Equations: Learn to quickly balance chemical equations and get tons of practice.

Naming & Formula Writing: Write the names and formulas for all types of chemical compounds.

Stoichiometry: Convert from moles to grams and solve reaction stoichiometry problems.

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