Adsorption: Purifying Solutions and Gases
Understand how adsorption helps purify solutions and gases.
Types of Reactions of Organic Compounds
Learn how structural change reveals substitution, addition, elimination, and polymerization.
All Simulations
Amino Acids and Proteins: how a protein molecule is built
Understand how amino acids join into proteins and why protein structure matters.
Ammonia Molecule (NH₃): shape, bonds, and polarity
Understand why ammonia has a trigonal pyramidal shape and why NH₃ is polar.